Title of Invention	PESTICIDAL MIXTURE
Abstract	The present invention relates to plant-protecting active ingredient mixtures comprising, as active components, a neonicotinoid and one or two fungicides selected from pyraclostrobin and boscalid, in synergistically effective amounts and to a method of improving the health of plants by to the plants or the locus thereof by applying said mixtures.

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PF 56359 1 Composition and method for improving plant health Description The present invention relates to plant-protecting active ingredient mixtures having syn- ergistically enhanced action and to a method of improving the health of plants by apply- ing said mixtures to the plants or the locus thereof. One typical problem arising in the field of pest control lies in the need to reduce the dosage rates of the active ingredient in order to reduce or avoid unfavorable environmental or toxicological effects whilst still allowing effective pest and pathogen control. Another problem encountered concerns the need to have available pest control agents which are effective against a broad spectrum of pests and pathogens. Another problem underlying the present invention is the desire for compositions that improve plants, a process which is commonly and hereinafter referred to as "plant health". For example, advantageous properties that may be mentioned are improved crop characteristics including: emergence, crop yields, protein content, more developed root system (improved root growth), tillering increase, increase in plant height, bigger leaf blade, less dead basal leaves, stronger tillers, greener leaf color, pigment content, photosynthetic activity, less fertilizers needed, less seeds needed, more productive tillers, earlier flowering, early grain maturity, less plant verse (lodging), increased shoot growth, enhanced plant vigor, increased plant stand and early germination; or any other advantages familiar to a person skilled in the art. Another difficulty in relation to the use of pesticides is that the repeated and exclusive application of an individual pesticidal compound leads in many cases to a rapid selec- tion of pests or pathogens that have developed natural or adapted resistance against the active compound in question. It was therefore an object of the present invention to provide pesticidal mixtures which solve the problems outlined above. The combating of harmful phytopathogenic fungi is not the only problem the farmer has to face. Also harmful insects and other pestscan cause a great damage to crops and other plants. An efficient combination of fungicidal and insecticidal activity is desirable to overcome this problem. Thus, it is a further object of the present invention to provide PF 56359 2 a mixture that, on the one hand, has good fungicidal activity, and, on the other hand, good insecticidal activity, resulting in a broader pesticidal spectrum of action. We have found that this object is in part or in whole achieved by the combination of active compounds defined at the outset. Especially, it has been found that a mixture of a neonicotinoid, preferably acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, thiacloprid or thiamethoxam, more preferably acetamiprid, clothianidin, imidacloprid or thiamethoxam most preferably thiamethoxam and one or two fungicides selected from pyraclostrobin and boscalid achieves and mixtures comprising boscalid and metalaxyl show markedly enhanced action against plant pathogens compared to the control rates that are possible with the individual compounds and/or is suitable for improving the health of plants when applied to plants, parts of plants, seeds, or at their locus of growth. Mixtures of thiamethoxam with certain strobilurine fungicides are known from WO99/48366. However, all of the strobilurines mentioned in that document are acetic acid derivatives, whereas pyraclostrobin of the present invention is a methyl car- bamate. WO02/102148 discloses mixtures of fludioxonil, metalaxyl and a strobilurine fungicide which optionally may further contain an insecticide, inter alia thiamethoxam. The stro- biiurine fungicides disclosed all are acetic acid derivatives. In WO 00/28825, at least quaternary compositions are described that comprise an in- secticide such as thiamethoxam and three fungicides selected from acylalanines, for example metaiaxyi, phenyipyrroies, for example fiudioxonil, and triazoles, for example difenoconazole. Preferred is a composition comprising thiamethoxam, mefenoxam, fiudioxonil and difenoconazole. None of this documents mentions mixtures of thiamethoxam with pyraclostrobin or boscalid or mixtures comprising boscalid and metalaxyl. Acetamiprid is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 7. Clothianidin is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 198. Dinotefuran is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 336. PF 56359 3 Imidacloprid is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 562. Nitenpyram is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 705. Thiacloprid is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 958. Thiamethoxam is an insecticide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 960. Pyraclostrobin is a fungicide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 842. Boscalid is a fungicide. See, for example, the Pesticide Manual, 13th Ed. (2003), The British Crop Protection Council, London, page 104. Fludioxonil is a fungicide. See, for example, the Pesticide Manual, 11th Ed. (1997), The British Crop Protection Council, London, page 566. Metalaxyl is a fungicide including: metalaxyl; metalaxyl consisting of more than 70% by weight of the R-enantiomer; metalaxyl consisting of more than 85% by weight of the R- enantiomer; metalaxyl consisting of more than 92% by weight of the R-enantiomer; metaiaxyi consisting of more than 97% by weight of the R-enantiomer; and mefenoxam (i.e., R-metalaxyl or metalaxyl-M) wherein the metalaxyl component is pure R- metalaxyl which is substantially free of S-enantiomer. See, for example, the Pesticide Manual, 11th Ed. (1997), The British Crop Protection Council, London, page 792; and the Pesticide Manual, 11th Ed. (1997), The British Crop Protection Council, London, page 794. Preferably, the term metalaxyl as used herein refers to mefenoxam. Preferred are mixtures comprising a neonicotinoid and pyraclostrobin, preferably acetamiprid and pyraclostrobin, clothianidin and pyraclostrobin, dinotefuran and pyraclostrobin, imidacloprid and pyraclostrobin, nitenpyram and pyraclostrobin, thiacloprid and pyraclostrobin, or thiamethoxam and pyraclostrobin, more preferably mixtures comprising PF 56359 4 acetamiprid and pyraclostrobin, clothianidin and pyraclostrobin, imidacloprid and pyraciostrobin, or thiamethoxam and pyraclostrobin, wherein most preferred are mixtures comprising thiamethoxam and pyraclostrobin. Preferred are furthermore mixtures comprising a neonicotinoid and boscalid, preferably acetamiprid and boscalid, clothianidin and boscalid, dinotefuran and boscalid, imidacloprid and boscalid, nitenpyram and boscalid, thiacloprid and boscalid, or thiamethoxam and boscalid, more preferably mixtures comprising acetamiprid and boscalid, clothianidin and boscalid, imidacloprid and boscalid, or thiamethoxam and boscalid, wherein mixtures comprising thiamethoxam and boscaiid are most preferred. Another preferred embodiment of the present invention comprises mixtures comprising a neonicotinoid, pyraclostrobin and boscalid, preferably acetamiprid, pyraclostrobin and boscalid, clothianidin, pyraclostrobin and boscalid, dinotefuran, pyraclostrobin and boscalid, imidacioprid, pyraciostrobin and boscalid, nitenpyram, pyraclostrobin and boscalid, thiacioprid, pyraclostrobin and boscalid, or thiamethoxam, pyraclostrobin and boscalid, more preferably mixtures comprising acetamiprid, pyraclostrobin and boscalid, clothianidin, pyraclostrobin and boscalid, imidacloprid, pyraciostrobin and boscalid, or thiamethoxam, pyraclostrobin and boscalid, wherein most preferred are mixtures com- prising thiamethoxam, pyraclostrobin and boscalid. The mixtures of the present invention may further comprise metalaxyl. Accordingly, preferred mixtures comprise a neonicotinoid, pyraclostrobin and metalaxyl, preferably acetamiprid, pyraclostrobin and metalaxyl, PF 56359 5 clothianidin, pyraclostrobin and metalaxyl, dinotefuran, pyraclostrobin and metalaxyl, imidacloprid, pyraclostrobin and metalaxyl, nitenpyram, pyraclostrobin and metalaxyl, thiacloprid, pyraclostrobin and metalaxyl, or thiamethoxam, pyraclostrobin and metalaxyl, more preferably mixtures comprising acetamiprid, pyraclostrobin and metalaxyl, clothianidin, pyraclostrobin and metalaxyl, imidacloprid, pyraclostrobin and metalaxyl, or thiamethoxam, pyraclostrobin and metalaxyl, wherein most preferred are mixtures comprising thiamethoxam, pyraclostrobin and metalaxyl. Furthermore, preferred mixtures comprise a neonicotinoid, boscalid and metalaxyl, preferably acetamiprid, boscalid and metalaxyl, ciothianidin, boscalid and metalaxyi, dinotefuran, boscalid and metalaxyl, imidacloprid, boscalid and metalaxyl, nitenpyram, boscalid and metalaxyl, thiacloprid, boscalid and metalaxyl, or thiamethoxam, boscalid and metalaxyl, more preferably mixtures comprising acetamiprid, boscalid and metalaxyl, clothianidin, boscalid and metalaxyl, imidacloprid, boscalid and metalaxyl, or thiamethoxam, boscalid and metalaxyl, wherein most preferred are mixtures compris- ing thiamethoxam, boscalid and metalaxyl are preferred. In another preferred embodiment of the present invention, preferred mixtures comprise a neonicotinoid, pyraciostrobin, boscalid, and metaiaxyl, preferably acetamiprid, boscalid, pyraclostrobin and metalaxyl, clothianidin, boscalid, pyraclostrobin and metalaxyl, dinotefuran boscalid, pyraclostrobin and metalaxyi, imidacloprid, boscalid, pyraclostrobin and metalaxyl, nitenpyram, boscalid, pyraciostrobin and metalaxyl, thiacloprid, boscalid, pyraclostrobin and metalaxyl, or thiamethoxam, boscalid, pyraclostrobin and metalaxyl, more preferrably mixtures comprising acetamiprid, boscalid, pyraclostrobin and metalaxyl, ciothianidin, boscalid, pyraclostrobin and metalaxyl, imidacloprid, boscalid, pyraclostrobin and metalaxyl, or PF 56359 6 thiamethoxam, boscalid, pyraclostrobin and metalaxyl, wherein most preferred are mix- tures comprising thiamethoxam, pyraclostrobin, boscalid and metalaxyl. Another preferred embodiment of the present invention comprises mixtures comprising boscalid and metalaxyl All embodiments of the above-mentioned mixtures are herein below also referred to as "inventive mixtures" or "mixtures according to the invention". The inventive mixtures are suitable for foliar application in living crops of plants as well as, in particular, for dressing applications on plant propagation material. The latter term embraces seeds of all kinds (fruit, tubers, grains), cuttings, cut shoots and the like. One particular field of application is the treatment of all kinds of seeds. In addition to the mixtures, this invention also relates to a method of controlling fungi and/or improving the health of plants, which comprises treating a site, for example a plant or a plant propagation material, that is infested or liable to be infested by fungi with a) a neonicotinoid, preferably acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, thiacloprid or thiamethoxam, more preferably acetamiprid, clothianidin, imidacloprid or thiamethoxam most preferably thiamethoxam, with b) pyraclostrobin, and/or with c) boscalid, in any desired sequence or simultaneously, that is, jointly or separately. In addition, the invention furthermore relates to a method of controlling fungi and/or improving the health of plants, which comprises treating a site, for example a plant or a plant propagation material, that is infested or liable to be infested by fungi with a) boscalid and b) metalaxyl, in any desired sequence or simultaneously, that is, jointly or separately. Generally, the invention furthermore relates to a method of controlling fungi and/or im- proving the health of plants, which comprises treating a site, for example a plant or a plant propagation material, that is infested or liable to be infested by fungi with the pes- ticides present in a inventive mixture in any desired sequence or simultaneously, that is, jointly or separately. Advantageous mixing ratios by weight of the active ingredients are neonicotinoid, pref- erably acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, thiacloprid or thiamethoxam, more preferably acetamiprid, clothianidin, imidacloprid or thiamethoxam most preferablythiamethoxam : pyraclostrobin or: boscalid from 100:1 to 1:100. A pre- ferred ratio for neonicotinoid, preferably acetamiprid, clothianidin, dinotefuran, imida- cloprid, nitenpyram, thiacloprid or thiamethoxam, more preferably acetamiprid, PF 56359 7 clothianidin, imidacloprid or thiamethoxam most preferably thiamethoxam:boscalid is 10:1 to 1:10. For example, for seed treatment, ratios of 3 kg: 30 g a.i./100 kg, 100 g : 1 g a.i./100 kg, 30 g : 3 kg a.i./100 kg or 1 g: 100g a.i./100 kg of seed are suitable. For some specific crop seeds, such as lettuce or onions, the rates can be higher. Furthermore, advantageous mixing ratios by weight of three active ingredients are thiamethoxam : pyraclostrobin : boscalid in which each combination of two ingredients in the mixture of three ingredients ranges from 100:1 to 1:100.. The amount of any one of the ingredients in the mixture may range from 1 g to 3 kg a.i./100 kg of seed. For example, ratios of 50 g: 5 g: 20 g a.i./100 kg is suitable. Advantageously, the pesticidal mixtures may comprise metalaxyl in which each combi- nation of two ingredients in the mixture of two to four ingredients ranges from 100:1 to 1:100. . Advantageous mixing ratios by weight of the active ingredients are metalaxyl: boscalid from 100:1 to 1:100 by weight. The novel active ingredient mixtures have very advantageous curative, preventive and systemic fungicidal properties for protecting cultivated plants. As has been mentioned, said active ingredient mixtures can be used to inhibit or destroy the pathogens that occur on plants or parts of plants (fruit, blossoms, leaves, stems, tubers, roots) of dif- ferent crops or useful plants, while at the same time those parts of plants which grow iater are also protected from attack by such pathogens. Active ingredient mixtures have the special advantage of being highly active against diseases in the soil that mostly occur in the early stages of plant development. Specifically, they are suitable for controlling the following harmful fungi: • Alternaria species on vegetables and fruit, • Bipolaris and Drechslera species on cereals, rice and turf, • Blumeria graminis (powdery mildew) on cereals, • Botrytis cinerea (gray mold) on strawberries, vegetables, ornamentals and grapevines, • Didymella species on various plants, • Erysiphe cichoracearum and Sphaerotheca fuliginea on cucurbits, • Fusarium and Verticillium species on various plants, • Mycosphaerella species on cereals, bananas and peanuts, • Phakopsara pachyrhizi and Phakopsara meibomiae on soybeans • Phytophthora species on various plants, • Plasmopara viticola on grapevines, • Podosphaera leucotricha on apples, PF 56359 8 • Pseudocercosporella herpothchoides on wheat and barley, • Pseudoperonospora species on hops and cucumbers, • Puccinia species on cereals, • Pyricularia oryzae on rice, • Pythium species on various plants, • Rhizoctonia species on cotton, legumes, rice and turf, • Sclerotinia species on various plants, • Septoria tritici and Stagonospora nodorum on wheat, • Thielaviopsis species on various plants, • Uncinula necator on grapevines, • Ustilago species on cereals and sugar cane, and • Venturia species (scab) on apples and pears. The mixtures, which comprise a neonicotinoid are also suitable for controlling the fol- lowing harmful insects from the order of the lepidopterans (Lepidoptera), for example Agrotis ypsilon, Agrotis segetum, Alabama argillacea, Anticarsia gemmatalis, Argyresthia conjugella, Autographa gamma, Bupalus piniarius, Cacoecia murinana, Capua reticulana, Cheimatobia brumata, Choristoneura fumiferana, Choristoneura occidentalis, Cirphis unipuncta, Cydia pomonella, Den- drolimus pini. Diaphania niiidalis, Diatraea grandiosella, Earias insulana, Eiasmopaipus lignosellus, Eupoecilia ambiguella, Evetria bouliana, Feltia subterranea, Galleria mel- lonella, Grapholitha funebrana, Grapholitha molesta, Heliothis armigera, Heliothis vires- cens, Heliothis zea, Hellula undalis, Hibernia defoliaria, Hyphantria cunea, Hypo- nomeuta malinellus, Keiferia lycopersicella, Lambdina fiscellaria, Laphygma exigua, Leucoptera coffeella, Leucoptera scitella, Lithocolletis blancardella, Lobesia botrana, Loxostege sticticalis, Lymantria dispar, Lymantria monacha, Lyonetia clerkella, Mala- cosoma neustria, Mamestra brassicae, Orgyia pseudotsugata, Ostrinia nubilalis, Pano- lis flammea, Pectinophora gossypiella, Peridroma saucia, Phalera bucephala, Phthori- maea operculella, Phyllocnistis citrella, Pieris brassicae, Plathypena scabra, Plutella xylostella, Pseudoplusia includens, Rhyacionia frustrana,Scrobipalpula absoluta, Sito- troga cerealella, Sparganothis pilleriana, Spodoptera frugiperda, Spodoptera littoralis, Spodoptera litura, Thaumatopoea pityocampa, Tortrix viridana, Trichoplusia ni and Zei- raphera canadensis, beetles (Coleoptera), for example Agrilus sinuatus, Agriotes lineatus, Agriotes obscu- rus, Amphimallus solstitialis, Anisandrus dispar, Anthonomus grandis, Anthonomus pomorum, Atomaria linearis, Blastophagus piniperda, Blitophaga undata, Bruchus rufi- manus, Bruchus pisorum, Bruchus lentis, Byctiscus betulae, Cassida hebulosa, Cero- toma trifurcata, Ceuthorrhynchus assimilis, Ceuthorrhynchus napi, Chaetocnema tibi- PF 56359 9 alis, Conoderus vespertinus, Crioceris asparagi, Diabrotica longicornis, Diabrotica spe- ciosa, Diabrotica 12-punctata, Diabrotica virgifera, Diloboderus abderus, Epilachna varivestis, Epitrix hirtipennis, Eutinobothrus brasiliensis, Hylobius abietis, Hypera brun- neipennis, Hypera postica, Ips typographus, Lema bilineata, Lema melanopus, Leptino- tarsa decemlineata, Limonius californicus, Lissorhoptrus oryzophilus, Melanotus com- munis, Meligethes aeneus, Melolontha hippocastani, Melolontha melolontha, Oulema oryzae, Ortiorrhynchus sulcatus, Oryazophagus oryzae, Otiorrhynchus ovatus, Phae- don cochleariae, Phyllotreta chrysocephala, Phyllophaga sp., Phyllophaga cuyabana, Phyllophaga triticophaga, Phyllopertha horticola, Phyllotreta nemorum, Phyllotreta striolata, Popillia japonica, Sitona lineatus and Sitophilus granaha, dipterans (Diptera), for example Aedes aegypti, Aedes vexans, Anastrepha ludens, Anopheles maculipennis, Ceratitis capitata, Chrysomya bezziana, Chrysomya homi- nivorax, Chrysomya macellaria, Contarinia sorghicola, Cordylobia anthropophaga, Culex pipiens, Dacus cucurbitae, Dacus oleae, Dasineura brassicae, Fannia canicu- laris, Gasterophilus intestinalis, Glossina morsitans, Haematobia irritans, Haplodiplosis equestris, Hylemyia platura, Hypoderma lineata, Liriomyza sativae, Liriomyza trifolii, Lucilia caprina, Lucilia cuprina, Lucilia sericata, Lycoria pectoralis, Mayetiola destruc- tor, Musca domestica, Muscina stabulans, Oestrus ovis, Oscinella frit, Pegomya hyso- cyami, Phorbia antiqua, Phorbia brassicae, Phorbia coarctata, Rhagoletis cerasi, Rhagoletis pomonella, Tabanus bovinus, Tipula oleracea and Tipula paludosa, thrips (Thysanoptera), e.g. Frankliniella fusca, Frankliniella occidentalis, Frankliniella tritici, Scirtothrips citri, Thrips oryzae, Thrips palmi and Thrips tabaci, hymenopterans (Hymenoptera), e.g. Acromyrmex ambuguus, Acromyrmex cras- sispinus, Acromyrmex heiery, Acromyrmex landolti, Acromyrmex subterraneus, Athalia rosae, Atta capiguara, Atta cephalotes, Atta laevigata, Atta robusta, Atta sexdens, Atta texana, Hoplocampa minuta, Hoplocampa testudinea, Monomorium pharaonis, So- lenopsis geminata and Solenopsis invicta, heteropterans (Heteroptera), e.g. Acrosternum hilare, Biissus leucopferus, Cyrtopeltis notatus, Dichelops furcatus, Dysdercus cingulatus, Dysdercus intermedius, Euchistos heros, Eurygaster integriceps, Euschistus impictiventris, Leptoglossus phyllopus, Lygus lineolaris, Lygus pratensis, Nezara viridula, Piesma quadrata, Piezodorus guildini, Solubea insularis and Thyanta perditor, Hemiptera and Homoptera, e.g. Acrosternum hilare, Biissus leucopterus, Cyrtopeltis notatus, Diaphorina citri, Dysdercus cingulatus, Dysdercus intermedius, Eurygaster integriceps, Euschistus impictiventris, Leptoglossus phyllopus, Lygus lineolaris, Lygus PF 56359 10 pratensis, Nezara viridula, Piesma quadrata, Solubea insularis, Thyanta perditor, Acyrthosiphon onobrychis, Adelges laricis, Aphidula nasturtii, Aphis fabae, Aphis forbesi, Aphis pomi, Aphis gossypii, Aphis grossulariae, Aphis schneideri, Aphis spi- raecola, Aphis sambuci, Acyrthosiphon pisum, Aulacorthum solani, Brachycaudus car- dui. Brachycaudus helichrysi, Brachycaudus persicae, Brachycaudus prunicola, Bre- vicoryne brassicae, Capitophorus horni, Cerosipha gossypii, Chaetosiphon fragaefolii, Cryptomyzus ribis, Dreyfusia nordmannianae, Dreyfusia piceae, Dysaphis radicola, Dysaulacorthum pseudosolani, Dysaphis plantaginea, Dysaphis pyri, Empoasca fabae, Hyalopterus pruni, Hyperomyzus lactucae, Macrosiphum avenae, Macrosiphum eu- phorbiae, Macrosiphon rosae, Megoura viciae, Melanaphis pyrarius, Metopolophium dirhodum, Myzodes persicae, Myzus ascalonicus, Myzus cerasi, Myzus varians, Na- sonovia ribis-nigri, Nilaparvata lugens, Pemphigus bursarius, Perkinsiella saccharicida, Phorodon humuli, Psylla mali, Psylla piri, Rhopalomyzus ascalonicus, Rhopalosiphum maidis, Rhopalosiphum padi, Rhopalosiphum insertum, Sappaphis mala, Sappaphis mali, Schizaphis graminum, Schizoneura lanuginosa, Sitobion avenae, Trialeurodes vaporariorum, Toxoptera aurantiiand, Viteus vitifolii, Cimex lectularius, Cimex hemip- terus, Reduvius senilis, Triatoma spp., and Aril us critatus, termites (Isoptera), e.g. Calotermes flavicollis, Cornitermes cumulans, Heterotermes tenuis, Leucotermes flavipes, Neocapritemes opacus, Procornitermes triacifer; Reticu- litermes lucifugus, Syntermes molestus, and Termes natalensis, orthopterans (Orthoptera), e.g. Acheta domestica, Blatta orientalis, Blattella germanica, Forficula auricularia, Gryllotalpa gryllotalpa, Locusta migratoria, Melanoplus bivittatus, Melanoplus femur-rubrum, Melanoplus mexicanus, Melanoplus sanguinipes, Melano- pius spreius, Nomadacris sepiemfasciata, Periplaneta americana, Schistocerca ameri- cana, Schistocerca peregrina, Stauronotus maroccanus and Tachycines asynamorus, Arachnoidea, such as arachnids, e.g. of the families Argasidae, Ixodidae and Sarcopti- dae, such as Amblyomma americanum, Amblyomma variegatum, Argas persicus, Boophilus annulatus, Boophilus decoloratus, Boophilus microplus, Dermacentor silva- rum, Hyalomma truncaium, Ixodes rfcmus, Ixodes rubicundus, Ornithodorus moubata, Otobius megnini, Dermanyss'us gallinae, Psoroptes ovis, Rhipicephalus appendicula- tus, Rhipicephalus evertsi, Sarcoptes scabiei, and Eriophyidae spp. such as Aculus schlechtendali, Phyllocoptrata oleivora and Eriophyes sheldoni; Tarsonemidae spp. such as Phytonemus pallidus and Polyphagotarsonemus latus; Tenuipalpidae spp. such as Brevipalpus phoenicis; Tetranychidae spp. such as Tetranychus cinnabarinus, Tetranychus kanzawai, Tetranychus pacificus, Tetranychus telarius and Tetranychus urticae, Panonychus ulmi, Panonychus citri, and oligonychus pratensis; PF 56359 11 thrips (Thysanoptera), e.g. Frankliniella fusca, Frankliniella occidentalis, Frankliniella schultzei, Frankliniella tritici, Scirtothrips citri, Thrips oryzae, Thrips palmi and Thrips tabaci. In particular, the inventive mixtures are suitable for combating pests of the orders Col- eoptera, Lepidoptera, Thysanoptera, Homoptera, Isoptera, and Orthoptera. They are also suitable for controlling the following plant parasitic nematodes such as Meloidogyne, Globodera,Heterodera, Radopholus, Rotylenchulus, Pratylenchus and other genera. Suitable targets for seed treatment are various crop seeds, fruit species, vegetables, spices and ornamental seed, for example corn/maize (sweet and field), durum wheat, soybean, wheat, barley, oats, rye, triticale, bananas, rice, cotton, sunflower, potatoes, pasture, alfalfa, grasses, turf, sorghum, rapeseed, Brassica spp., sugar beet, egg- plants, tomato, lettuce, iceberg lettuce, pepper, cucumber, squash, melon, bean, dry- beans, peas, leek, garlic, onion, cabbage, carrot, tuber such as sugar cane, tobacco, coffee, turf and forage, cruciferous, cucurbits, grapevines, pepper, fodder beet, oil seed rape, pansy, impatiens, petunia and geranium. The term seed treatment comprises all suitable seed treatment techniques known in the art, such as, but not limited to, seed dressing, seed coating, seed dusting, seed soaking, seed film coating, seed multilayer coating, seed encrusting, seed dripping, and seed pelleting. The active ingredient mixtures according to the invention are especially advantageous for seed treatment of oil seed rape, wheat, corn, rye, barley, oats, sorghum, sunflow- ers, rice, maize, turf and forage, sugar beet, beans, peas, soybeans, ornamentals, and vegetables such as cucurbits, tomatoes, eggplant, potatoes, pepper, lettuce, cabbage, carrots, cruciferous. Especially preferred is the seed treatment of oil seed rape, wheat, beans, corn, soy- beans, sugar beet, rice, vegetables, and ornamentals. The mixtures according to the invention are most preferably used for the seed treat- ment of oil seed rape. In addition, mixtures according to the invention may also be used in crops which toler- ate the action of herbicides or fungicides or insecticides owing to breeding, including PF 56359 12 genetic engineering methods. For example, mixtures according to the invention can be employed in transgenic crops which are resistant to herbicides from the group consisting of the sulfonylureas, imida- zolinones, glufosinate-ammonium or glyphosate-isopropylammonium and analogous active substances (see for example, EP-A-0242236, EP-A-242246) (WO 92/00377) (EP-A-0257993, U.S. Pat. No. 5,013,659) or in transgenic crop plants, for example cot- ton, with the capability of producing Bacillus thuringiensis toxins (Bt toxins) which make the plants resistant to certain pests (EP-A-0142924, EP-A-0193259), Furthermore, mixtures according to the invention can be used also for the treatment of plants which have modified characteristics in comparison with existing plants consist, which can be generated for example by traditional breeding methods and/or the gen- eration of mutants, or by recombinant procedures). For example, a number of cases have been described of recombinant modifications of crop plants for the purpose of modifying the starch synthesized in the plants (e.g. WO 92/11376, WO 92/14827, WO 91/19806) or of transgenic crop plants having a modified fatty acid composition (WO 91/13972). In addition, the synergistically enhanced action of the mixtures manifests itself, for ex- ample, in lower rates of application and/orin a longer duration of action and/or higher crop yields. Such enhancements were not to be expected from the sum of the actions of the individual components. It has been found that the action of the inventive mixtures, e.g. of the mixture of a neonicotinoid, preferably acetamiprid, clothianidin, dinotefuran, imidacioprid, niten- pyram, thiacloprid or thiamethoxam, more preferably acetamiprid, clothianidin, imida- cioprid or thiamethoxam most preferably thiamethoxam with pyraclostrobin and / or boscalid goes far beyond the fungicidal action of the fungicide(s) present in the mixture alone. It has been shown that the mixtures exhibit plant health effects (as outlined above) in the frame of the present invention. The term plant health comprises various sorts of improvements of plants that are not connected to the control of pests with the said mixture of a neonicotinoid, preferably acetamiprid, clothianidin, dinotefuran, imida- cioprid, nitenpyram, thiacloprid or thiamethoxam, more preferably acetamiprid, clothianidin, imidacioprid or thiamethoxam most preferably thiamethoxam with pyra- clostrobin and/or boscaiid. The active ingredient mixtures can be used in the form of premix formulations or the active ingredients can be applied to the area, plant or seed to be treated simultane- ously or in immediate succession, if desired together with further carriers, surfactants PF 56359 13 or other application-promoting adjuvants customarily employed in formulation technol- ogy. The formulations are prepared in a known manner, for example by extending the active compound with auxiliaries suitable for the formulation of agrochemicals, such as sol- vents and/or carriers, if desiredsurfactants (e.g. surfactants, adjuvans and/ordispersants), preservatives, antifoaming agents, anti-freezing agents, for seed treatment formulation also optionally colorants and/or binders and/or gelling agents, (see e.g. for review US 3,060,084, EP-A 707 445 (for liquid concentrates), Browning, "Agglomeration", Chemical Engineering, Dec. 4, 1967, 147-48, Perry's Chemical Engi- neer's Handbook, 4th Ed., McGraw-Hill, New York, 1963, pages 8-57 and et seq. WO 91/13546, US 4,172,714, US 4,144,050, US 3,920,442, US 5,180,587, US 5,232,701, US 5,208,030, GB 2,095,558, US 3,299,566, Klingman, Weed Control as a Science, John Wiley and Sons, Inc., New York, 1961, Hance et al., Weed Control Handbook, 8th Ed., Blackwell Scientific Publications, Oxford, 1989 and Mollet, HL, Grubemann, A., Formulation technology, Wiley VCH Verlag GmbH, Weinheim (Germany), 2001, 2. D. A. Knowles, Chemistry and Technology of Agrochemical Formulations, Kluwer Aca- demic Publishers, Dordrecht, 1998 (ISBN 0-7514-0443-8). Solvents/auxiliaries which are suitable include: water, aromatic solvents (for example Solvesso products, xylene), paraffins (for example mineral fractions), alcohols (for example methanol, butanol, pentanol, benzyl alcohol), ketones (for example cyclohexanone, gamma-butyrolactone), pyrrolidones (NMP, NOP), acetates (glycol diacetate), glycols, fatty acid dimethylamides, fatty acids and fatty acid esters. In principle, solvent mixtures may also be used. carriers such as ground natural minerals (for example kaolins, clays, talc, chalk) and ground synthetic minerals (for example highly disperse silica, silicates); emulsifiers such as nonionic and anionic emulsifiers (for example polyoxyethylene fatty alcohol ethers, alkylsulfonates and arylsulfonates) and dispersants such as lignin-sulfite waste liquors and methylcellulose. Suitable surfactants are alkali metal, alkaline earth metal and ammonium salts of lignosulfonic acid, naphthalenesulfonic acid, phenolsulfonicacid, dibutylnaphthalenesuifonic acid, alkylaryisuifonates, alkyi sulfates, alkylsulfonates, fatty alcohol sulfates, fatty acids and sulfated fatty alcohol glycol ethers, furthermore condensates of sulfonated naphthalene and naphthalene derivatives with formaldehyde, condensates of naphthalene or of naphthalenesulfonic acid with phenol and formaldehyde, polyoxyethylene octylphenyl ether, ethoxylated isooctylphenol, PF 56359 14 octylphenol, nonylphenol, alkylphenyl polyglycol ethers, tributylphenyl polyglycol ether, tristearylphenyl polyglycol ether, alkylaryl polyether alcohols, alcohol and fatty alcohol/ethylene oxide condensates, ethoxylated castor oil, polyoxyethylene alkyl ethers, ethoxylated polyoxypropylene, lauryl alcohol polyglycol ether acetal, sorbitol esters, lignin-sulfite waste liquors and methylcellulose. Substances which are suitable for the preparation of directly sprayable solutions, emulsions, pastes or oil dispersions are mineral oil fractions of medium to high boiling point, such as kerosene or diesel oil, furthermore coal tar oils and oils of vegetable or animal origin, aliphatic, cyclic and aromatic hydrocarbons, for example toluene, xylene, paraffin, tetrahydronaphthalene, alkylated naphthalenes or their derivatives, methanol, ethanol, propanol, butanol, cyclohexanol, cyclohexanone, isophorone, strongly polar solvents, for example dimethyl sulfoxide, N-methylpyrrolidone and water. Seed Treatment formulations may additionally comprise binders and optionally color- ants. Binders can be added to improve the adhesion of the active materials on the seeds after treatment. Suitable binders are block copolymers EO/PO surfactants but also polyvinylalcoholsl, polyvinylpyrrolidones, polyacrylates, polymethacrylates, polybute- nes, polyisobutylenes, polystyrene, poiyethyieneamines, polyethyleneamides, poiy- ethyleneimines (Lupasol®, Polymin®), polyethers, polyurethans and copolymers de- rived from these polymers. Optionally, also colorants can be included in the formulation. Suitable colorants or dyes for seed treatment formulations are Rhodamin B, C.I. Pigment Red 112, C.I. Solvent Red 1, pigment blue 15:4, pigment blue 15:3, pigment blue 15:2, pigment blue 15:1, pigment blue 80, pigment yellow 1, pigment yellow 13, pigment red 112, pigment red 48:2, pigment red 48:1, pigment red 57:1, pigment red 53:1, pigment orange 43, pig- ment orange 34, pigment orange 5, pigment green 36, pigment green 7, pigment white 6, pigment brown 25, basic violet 10, basic violet 49, acid red 51, acid red 52, acid red 14, acid blue 9, acid yellow 23, basic red 10, basic red 108. An example of a gelling agent is carrageen (Satiagel®) Powders, materials for spreading and dustable products can be prepared by mixing or concomitantly grinding the active substances with a solid carrier. PF 56359 15 Granules, for example coated granules, impregnated granules and homogeneous granules, can be prepared by binding the active compounds to solid carriers. Examples of solid carriers are mineral earths such as silica gels, silicates, talc, kaolin, attaclay, limestone, lime, chalk, bole, loess, clay, dolomite, diatomaceous earth, calcium sulfate, magnesium sulfate, magnesium oxide, ground synthetic materials, fertilizers, such as, for example, ammonium sulfate, ammonium phosphate, ammonium nitrate, ureas, and products of vegetable origin, such as cereal meal, tree bark meal, wood meal and nutshell meal, cellulose powders and other solid carriers. In general, the formulations comprise from 0.01 to 95% by weight, preferably from 0.1 to 90% by weight, of the active compounds. The active compounds are employed in a purity of from 90% to 100%, preferably 95% to 100% (according to NMR spectrum). The following are examples of formulations: 1. Products for dilution with water for foliar application / for seed treatment purposes, these products can be applied diluted or undiluted. A) Soluble concentrates (SL, LS) 10 parts by weight of the active compounds are dissolved in water or in a water-soluble solvent. As an alternative, wetters or other auxiliaries are added. The active compound dissolves upon dilution with water. B) Dispersible concentrates (DC) 20 parts by weight of the active compounds are dissolved in cyclohexanone with addition of a dispersant, for example polyvinylpyrrolidone. Dilution with water gives a dispersion. C) Emulsifiable concentrates (EC) 15 parts by weight of the active compounds are dissolved in xylene with addition of calcium dodecylbenzenesulfonate and castor oil ethoxylate (in each case 5% strength). Dilution with water gives an emulsion. D) Emulsions (EW, EO, ES) 40 parts by weight of the active compounds are dissolved in xylene with addition of calcium dodecylbenzenesulfonate and castor oil ethoxylate (in each case 5% strength). This mixture is introduced into water by means of an emulsifier (Ultraturax) and made into a homogeneous emulsion. Dilution with water gives an emulsion. E) Suspensions (SC, OD, FS) In an agitated ball mill, 20 parts by weight of the active compounds are comminuted with addition of dispersant, wetters and water or an organic solvent to give a fine active PF 56359 16 compound suspension. Dilution with water gives a stable suspension of the active compound. F) Water-dispersible granules and water-soluble granules (WG, SG) 50 parts by weight of the active compounds are ground finely with addition of dispersants and wetters and made into water-dispersible or water-soluble granules by means of technical appliances (for example extrusion, spray tower, fluidized bed). Dilution with water gives a stable dispersion or solution of the active compound. G) Water-dispersible powders and water-soluble powders (WP, SP, WS) 75 parts by weight of the active compounds are ground in a rotor-stator mill with addition of dispersant, wetters and silica gel. Dilution with water gives a stable dispersion or solution with the active compound. 2. Products to be applied undiluted forfoliar application. For seed treatment purposes, these products can be applied diluted or undiluted. H) Dustable powders (DP, DS) 5 parts by weight of the active compounds are ground finely and mixed intimately with 95% of finely divided kaolin. This gives a dustable product. I) Granules (GR, FG, GG, MG) 0.5 part by weight of the active compounds is ground finely and associated with 95.5% carriers. Current methods are extrusion, spray-drying or the fluidized bed. This gives granules to be applied undiluted. J) ULV solutions (UL) 10 parts by weight of the active compounds are dissolved in an organic solvent, for example xylene. This gives a product to be applied undiluted. The active compounds can be used as such, in the form of their formulations or the use forms prepared therefrom, for example in the form of directly sprayable solutions, powders, suspensions or dispersions, emulsions, oil dispersions, pastes, dustable products, materials for spreading, or granules, by means of spraying, atomizing, dusting, spreading or pouring. The use forms depend entirely on the intended purposes; it is intended to ensure in each case the finest possible distribution of the active compounds according to the invention. Aqueous use forms can be prepared from emulsion concentrates, pastes or wettable powders (sprayable powders, oil dispersions) by adding water. To prepare emulsions, pastes or oil dispersions, the substances, as such or dissolved in an oil or solvent, can PF 56359 17 be homogenized in water by means of a wetter, tackifier, dispersant or emulsifier. Alternatively, it is possible to prepare concentrates composed of active substance, wetter, tackifier, dispersant or emulsifier and, if appropriate, solvent or oil, and such concentrates are suitable for dilution with water. The active compound concentrations in the ready-to-use preparations can be varied within relatively wide ranges. In general, they are from 0.0001 to 10%, preferably from 0.01 to 1%. Various types of oils, wetters, adjuvants, herbicides, fungicides, other pesticides, or bactericides may be added to the active compounds, if appropriate just immediately prior to use (tank mix). These agents can be admixed with the agents according to the invention in a weight ratio of 1:10 to 10:1. The agrochemical compositions usually comprise 0.1 to 99%, preferably 0.1 to 95%, of active ingredients, 99.9 to 1%, preferably 99.9 to 5%, of a solid or liquid adjuvant, and 0 to 25%, preferably 0.1 to 25%, of a surfactant. Depending on the desired effect, the application rates of the mixtures according to the invention are from 0.1g/ha to 2000 g/ha, preferably from 50 to 1500 g/ha, in particular from 50 to 750 g/ha. In the treatment of seed, the application rates of the mixture are generally from 0.1 g to 5 kg per 100 kg of seed, preferably from 1 g to 2.5 kg per 100 kg of seed, in particular from 1 g to 1 kg per 100 kg of seed. In the control of pests, the separate or joint application of the inventive mixtures or compositions comprising them is carried out by spraying or dusting or otherwise apply- ing the mixture to the seeds, the seedlings, the plants or the soils before or after sow- ing of the plants or before or after emergence of the plants. Conventional seed treatment formulations include for example flowable concentrates FS, solutions LS, powders for dry treatment DS, water dispersible powders for slurry treatment WS, water-soluble powders SS and emulsion ES and EC, wherein FS and WS are the most preferred ones. PF 56359 18 In accordance with one variant, a further subject of the invention is a method of treating soil by the application, in particular into the seed drill: either of a granular formulation containing the two active ingredients in combination or as a composition, or of a mix- ture of two granular formulations, each containing one of the two active ingredients, with optionally one or more solid or liquid, agriculturally acceptable carriers and/or op- tionally with one or more agriculturally acceptable surfactants. This method is advanta- geously employed in seedbeds of cereal, maize, cotton and sunflower. The invention also relates to the propagation products of plants, and especially the seed comprising, that is treated with a mixture as defined above or a composition con- taining the inventive mixture or a mixture of compositions each providing one of the active ingredients. The seed comprises the inventive mixtures in an amount of from 0.1 g to 5 kg per 100 kg of seed. The synergistic pesticidal action of the inventive mixtures can be demonstrated by the experiments below: Treatments Each mixture partner is evaluated separately at the same rates as used in the mixtures. Synergism is determined by comparing the expected biological effect on plant health or on disease control from the mixture based on the individual effects from the separate partners to the biological effect seen with the mixture. Abbott's formula can be used to make this comparison. Seed Treatment - Cotton Compounds are used as technical materials and formulated in 15 % acetone in 0.05% aqueous Tween 20® (Polyoxyethylene sorbitan monolaureate). Fifty cotton seeds are placed in a 120 ml glass vial and 300 l of the compound preparation are pipetted onto the side of the vial just above the seeds. The vial can shaken for 3 minutes and the treated seeds were placed on aluminum foil to dry. Plant Health 24 cotton seeds of each treatment are planted, 2 seeds per 7.5 cm square plastic pot containing Metro Mix 360 planting material and maintained in the greenhouse. Meas- PF 56359 19 urements taken of plant health are time to emergence, percent emergence, shoot bio- mass and root biomass at the 2-true-leaf stage. Synergistic Plant Disease Control To determine treatment effects on plant disease control, 12 cotton seeds of each treatment are planted, 2 seeds per 7.5 cm square plastic pot containing sandy soil and challenged with fungal pathogens. Two fungal pathogens can be used: Pythium sp. and Rhizoctonia sp. Plants are maintained in the greenhouse with bottom watering. Measurements of the severity of damping off and root rot are taken and then per cent disease control is calculated for each treatment based on the untreated controls. The test results will show that the mixtures according to the invention show a consider- able enhanced activity demonstrating synergism compared to the calculated sum of the single activities. Synergistic Plant Health Effects The synergistic plant health effects of the inventive mixtures has been demonstrated by the experiments described below: To determine seed treatment effects of the inventive mixtures on plant health soft red winter wheat seeds (Variety Coker 9663) were treated with mixtures and with each mix- ture partner separately. Compounds were applied in water if formulated or in 25% ace- tone if technical material. For mixtures, water was used as the carrier unless one or more partners was used as technical material then 25% acetone was used as the car- rier. Each treatment was prepared in a 20 ml glass vial. Then 25 seeds were added, and the vial was vortexed for one minute. After treatment, seeds were allowed to dry. Plant growth pouches (18 cm x 16.5 cm cyg™ Germination Pouches, Mega- International) were watered with 17-20 ml water, and 4 seeds were placed in each growth pouch on the same day as treatment. Replication was 4x to 5x. Growth pouches were incubated at 25 C with 14 hours light and watered as needed. Germina- tion was evaluated at 3-4 and 7-8 days after treatment (DAT). Root length and wet weight mass and shoot length and wet weight mass were evaluated 7-8 DAT. Expected responses from the mixture were calculated based on the responses ob- served when each mixture partner was applied alone. PF 56359 20 Percent effects for each of the mixture partners (MP1 and MP2) applied solo were cal- culated as follows: MP1 = (Control response - MP1 response)/Control response * 100% MP2 = (Control response - MP2 response)/Control response * 100% The appropriate control response was used for each mixture partner. Then, the expected % response for the mixture was calculated using Abbott's formula as follows: E%response = (MP1 + MP2) - (MP1 * MP2) /100 Finally, the expected response for the mixture was calculated by applying the expected % response to the appropriate control for the mixture, which is the solvent blank con- trol, as follows: Expected response = Control response - (Control response * E%response/100) Experiment 1 For each of the four measures of wheat plant health (root length, root mass, shoot length, and shoot mass), the actual response observed for the thiamethoxam plus boscalid mixture (50 g ai + 20 g ai respectively per 100 kg seed) was greater than the expected response based on the responses observed when each partner was applied alone demonstrating a synergistic effect on plant health. (Table 1). Percent germination of the wheat seeds for all treatments was 100%. Table 1. Thiamethoxam + Boscalid (50 + 20 g ai/100 kg seed) Wheat Plant Growth Meas- urement Expected Mixture Response based on Median Solo Effects Actual Mixture Response Root Length (cm) 14,9 15,5 Root Mass (g) 0,044 0,070 Shoot Length (cm) 14,3 15,8 Shoot Mass (g) 0,063 0,067 I I Evaluations were conducted on 20 seedlings per treatment, 5 reps with 4 seedlings each. PF 56359 21 Experiment 2 For three of the four measures of wheat plant health (root mass, shoot length, shoot mass), the actual response observed for the thiamethoxam and metalaxyl mixture (50 g ai + 20 g ai respectively per 100 kg seed) was greater than the expected response based on the responses observed when each partner was applied alone (Table 2). Percent germination of the wheat seeds for all treatments was 100%. Evaluations were conducted on 16 seedlings per treatment, 4 reps with 4 seedlings each. Table 2. Thiamethoxam + Metalaxyl (50 + 20 g ai/100 kg seed Wheat Plant Growth Measure- ment" Expected Mixture Re- sponse based on Median Solo Ef- fects Actual Mixture Response Root Length (cm) 15,8 15,0 Root Mass (g) 0,057 0,066 Shoot Length (cm) 13,6 16,1 Shoot Mass (g) 0,054 0,062 Evaluations were conducted on 16 seedlings per treatment, 4 reps with 4 seedlings each. PF 56359 22 Claims: 1. Pesticidal mixtures comprising, as active components, a neonicotinoide and one or two fungicides selected from pyraclostrobin and boscalid, in synergistically ef- fective amounts. 2. Pesticidai mixtures according to claim 1 comprising a neonicotinoide and pyra- clostrobin. 3. Pesticidal mixtures according to claim 2 comprising a neonicotinoide and pyra- clostrobin in a weight ratio of from 100:1 to 1:100. 4. Pesticidal mixtures according to claim 1 comprising a neonicotinoide and boscalid. 5. Pesticidal mixtures according to claim 4 comprising a neonicotinoide and boscalid in a weight ratio of from 100:1 to 1:100. 6. Pesticidal mixtures according to claim 1 comprising a neonicotinoide, pyraclos- trobin and boscalid. 7. Pesticidal mixtures according to claim 6 comprising a neonicotinoide, pyraclos- trobin and boscalid in which each combination of two ingredients in the mixture of three ingredients ranges from 100:1 to 1:100. 8. Pesticidai mixtures according to claims 1 to 7, further comprising metalaxyl. 9. Pesticidal mixtures according to claim 8, comprising metalaxyl in which each combination of two ingredients in the mixture of two to four ingredients ranges from 100:1 to 1:100. 10. Pesticidal mixtures according to any of claims 1 to 9, wherein the neonicotinoid is slelected from the group consisting of thiamethoxam, clothianidin, acetamiprid and imidacloprid. 11. Pesticidal mixtures according to any of claims 1 to 9, wherein the neonicotinoid is thiamethoxam. 12. Pesticidal mixtures comprising boscalid and metalaxyl in synergistically effective amounts. PF 56359 23 13. A method of improving the health of plants, which comprises applying in any de- sired sequence, simultaneously, that is, jointly or separately, or in succession, synergistically effective amounts of a mixture of a neonicotinoide and one or two fungicides selected from pyraclostrobin and boscalid. 14. A method of controlling or preventing fungal infestation in plants, parts of plants, seeds, or at their locus of growth, which comprises applying in any desired se- quence, simultaneously, that is, jointly or separately, or in succession, synergisti- cally effective amounts of a mixture of a neonicotinoide and one or two fungicides selected from pyraclostrobin and boscalid. 15. A method of improving the health of plants, which comprises applying in any de- sired sequence, simultaneously, that is, jointly or separately, or in succession, synergistically effective amounts of a mixture of boscalid and metalaxyl. 16. A method of controlling or preventing fungal infestation in plants, parts of plants, seeds, or at their locus of growth, which comprises applying in any desired se- quence, simultaneously, that is, jointly or separately, or in succession, synergisti- cally effective amounts of a mixture of metaiaxyl and boscalid. 17. A method according to claim 13 to 14 which comprises applying in any desired sequence, simultaneously, that is, jointly or separately, or in succession, syner- gistically effective amounts of a mixture of the neonicotinoide and one or two fun- gicides selected from pyraclostrobin and boscalid and, further, metalaxyl. 18. A method as claimed in claims 13,14 or 15, wherein the mixture as claimed in claims 1 to 12 is applied in an amount of from 0.1 g/ha to 2000 g/ha. 19. A method as claimed in claims 13, 14, 17 and 18, wherein the neonicotinoid is thiamethoxam. 20. A method of protection of seeds comprising contacting the seeds before sowing and/or after pregermination with a mixture as defined in claims 1 to 12 in syner- gistically effective amounts. 21. A method as claimed in claim 17 wherein the mixture as defined in claims 1 to 12 is applied in an amount of from 0.1 g to 5 kg per 100 kg of seeds. 22. Plant propagation material treated with the mixtures as defined in claims 1 to 12. PF 56359 24 23. The plant propagation material of claim 22, wherein seeds are the propagation material. 24. Seed, comprising the mixture as claimed in. claims 1 to 12 in an amount of from 0.1 g to 5 kg per 100 kg of seeds. The present invention relates to plant-protecting active ingredient mixtures comprising, as active components, a neonicotinoid and one or two fungicides selected from pyraclostrobin and boscalid, in synergistically effective amounts and to a method of improving the health of plants by to the plants or the locus thereof by applying said mixtures.

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