Composition for preventing plant diseases and method preventing diseases

FIELD: agriculture.

SUBSTANCE: composition preventing plant diseases including components I and II as active ingredients is described. Component I is (RS)-N-[2-(1,3-dimethylbutyl)thiophene-3-yl]-1-methyl-3-trifluoromethyl-1H-pyrazol-4-carboxamides. Component II is selected from tetrakonazol, flutriafol, imibenkonazol, triadimefon, simekonazol, oxpokonazol fumarate, protiokonazol, bupirimate, spyroxamine, metiram, dodine, anilazine, chlozolinate, oxicarboxine, ethaboxam, iprovalikarb, pirazophos, phtorimide, diflumetorim, fenhexamide, famoxadone, fenamidone, ciazofamide, zoxamide, ciflufenamide, boskalid, isopropyl bentyavalikarb, pikoxistrobine, piraklostrobine, fluoxastrobine or dimoxistrobine. Also, the method preventing plant disease is described.

EFFECT: composition has synergistic effect which is not expected for each separate components, is able to significant increase of preventive effect against different phytopathogens with lower quantity of chemicals and do not invoke phytotoxic lesion.

2 cl, 9 tbl, 6 ex

 

The present invention relates to a composition for preventing plant diseases, comprising at least two or more active ingredients and synergistic effect against plant diseases such as gray mold, powdery mildew, Sclerotinia rot, Alternaria leaf spot leaf disease caused byRhizoctoniaand the like, and to a method for preventing plant diseases.

Long used a large number of different chemical fungicides. However, it became obvious that there is a problem of stability of plant pathogens chemically active ingredients associated with frequent use or overdose of such chemically active ingredients with the same effect, having a similar structure to combat diseases of the same type.

On the other hand, in recent years, there is a need for crops with reduced content of agricultural chemicals or public pressure to reduce load on the environment from chemical pesticides.

Moreover, in a farm field where constant chemical substances are used, by mixing two or more types of chemicals using the processing method of the mixing vessel, combine incompatible active ingredients, the yzva many dangers, such as reduced efficiency of each of the active ingredients or phyto-toxic defeat of plants.

In such circumstances requires the composition to prevent diseases with a significant effect on the fungi that are resistant to existing active ingredients and with greater efficiency in even smaller amounts of the active ingredient. In addition, to prevent the acquisition of plant pathogens chemical resistance required of a composition for preventing plant diseases with good compatibility enabled components (compounds) with different effects with different basic patterns, and the way to prevent plant diseases.

In patent publication JP 1997-235282A and European patent publication 737682 described (RS)-N-[2-(1,3-dimethylbutyl)thiophene-3-yl]-1-methyl-3-trifluoromethyl-1H-pyrazole-4-carboxamide (common name pentopia, recently proposed for ISO), called hereafter "pentopia", which has a preventive effect against many diseases.

[Patent document 1] patent publication JP 1997-235282-A.

[Patent document 2] European patent publication 737682 (EPO 737682).

The aim of the present invention is to provide a composition for preventing plant diseases with significant impact on gr who would resistant to existing active ingredients and composition for preventing plant diseases having a high activity even in a small amount of active ingredient applied in the environment of phytopathogen.

The authors of the present invention conducted a study combinations piniperda with other fungicidal components and as a result have found that when combined piniperda with certain fungicidal components is achieved synergistic preventive effect against various phytopathogens, which is not expected for the individual components, and not called fetotoksicheskoe the affected plants. Thus was accomplished the present invention.

That is, the present invention relates to a composition for preventing plant diseases and how to prevent disease, defined according to the following essential features:

[1] a Composition for preventing plant diseases comprising, as active ingredients components I and II, in which component I is (RS)-N-[2-(1,3-dimethylbutyl)thiophene-3-yl]-1-methyl-3-trifluoromethyl-1H-pyrazole-4-carboxamide, and component II is one or more compounds selected from the group consisting of tetraconazole, flutriafol, mebensole, triadimefon, siliconate, fumarata about what spokanite, prothioconazole, bupirimate, spiroxamine, metiram, Dodin, anilazine, chlozolinate, oxycarboxin, ethaboxam, iprovalicarb, pyrazophos, forumID, diplomatarium, fenhexamid, famoxadone, fenamidone, cyazofamid, zoxamide, cyflufenamid, boscalid, benthiavalicarb-isopropyl picoxystrobin, pyraclostrobin, fluoxastrobin and dimoxystrobin;

[2] the Composition for preventing plant diseases described in paragraph [1], in which component II is added in amounts of from 0.01 mass. part 50 of the masses. parts 1 mass. the portion of the component I; and

[3] the Method of preventing diseases in plants, in which a composition for preventing plant diseases in PP [1] or [2] applied to the habitat of phytopathogens.

Using the composition for preventing plant diseases and how to prevent plant diseases of the present invention as a method of prevention is achieved unexpected action on prevention against pathogenic fungi, including mushrooms, with chemical resistance to existing active ingredients, compared to the individual active ingredients due to synergistic effect. In addition, it helps to reduce the dosage of the active ingredient (compound) on surrounding plants, and to avoid as a result of this fetotoksicheskoe is oragene plants. Next, the components of the compositions of the present invention contain 2 or more types of components having different patterns or with different action, so that you can gain the means of dealing with low possibility of occurrence of fungi having chemical resistance.

Hereinafter the present invention will be described in more detail.

Composition for preventing plant diseases of the present invention includes, as active ingredients components I and II.

Component I consists of (RS)-N-[2-(1,3-dimethylbutyl)thiophene-3-yl]-1-methyl-3-trifluoromethyl-1H-pyrazole-4-carboxamide (common name: pentopia (recently proposed for ISO)).

Component II is a single compound or several compounds selected from the group consisting of tetraconazole, flutriafol, mebensole, triadimefon, siliconate, fumarata of EXPOCONSTA, prothioconazole, bupirimate, spiroxamine, metiram, Dodin, anilazine, chlozolinate, oxycarboxin, ethaboxam, iprovalicarb, pyrazophos, forumID, diplomatarium, fenhexamid, famoxadone, fenamidone, cyazofamid, zoxamide, cyflufenamid, boscalid, benthiavalicarb-isopropyl-La, picoxystrobin, pyraclostrobin, fluoxastrobin and dimoxystrobin.

It is known that compounds of component II show a preventive effect against the Oia to various plant diseases. The following is the common name of the component II and related pages of descriptions in the Pesticide Manual, Vol. 13 published by the British Corp Protection Council in 2003 On these pages describes various aspects of chemicals:

1) tetraconazole, pp. 945-946;

2) flutriafol, pages 487-488;

3) kabekona, pages 561-562;

4) triadimefon, pp. 986-987;

5) semiconical, pp. 892-893;

6) fumarate EXPOCONSTA, page 735;

7) prothioconazole, pp. 837-838;

8) bupirimate, PP 116-117;

9) spiroxamine, pages 902-903;

10) metiram, pages 666-667;

11) Dodin, pages 356-357;

12) anilazine, page 1042;

13) chlozolinate, pp. 179-180;

14) oxycarboxin, page 736;

15) ethaboxam, page 374;

16) iprovalicarb, pages 580-581;

17) pyrazophos, pages 845-846;

18) perimed, page 467;

19) diplomatarium, page 313;

20) fenhexamid, pages 408-409;

21) famoxadone, pages 394-395;

22) fenamidone, pages 397-398;

23) cyazofamid, pp. 217-218;

24) zoxamide, pp. 1035-1036;

25) cyflufenamid, page 225;

26) of boscalid, page 104;

27) benthiavalicarb-isopropyl, page 79;

28) picoxystrobin, pp. 786-787;

29) pyraclostrobin, pp. 842-843;

30) fluoxastrobin, pp. 468-469;

31) dimoxystrobin, page 329.

The composition for preventing plant diseases of the present invention has a synergistic effect in comparison with the active ingredients used separately (component I or mponent II).

The preferred spacing of the compositions to prevent plant diseases according to the present invention is different depending on its formulation, respectively. Content piniperda component I is usually in the range from 0.01 mass. parts up to 80 mass. parts to 100 mass. parts of the composition. In the composition for preventing plant diseases of the present invention attitude piniperda component I to the connection component II in the mixture typically is not particularly limited. The content of component II is usually in the range from 0.01 mass. part 50 of the masses. parts, preferably from 0.5 mass. part 50 of the masses. parts, more preferably in the range of from 0.5 mass. part 30 of the masses. parts and more preferably in the range of from 1 mass. part 20 of the masses. parts based on 1 mass. part of the connection component I.

The composition containing both components I and II, included in the composition for preventing plant diseases of the present invention. In addition to this case, when the composition comprising component I, and the composition including the component II, process the habitat of plant pathogens almost simultaneously, also included in the scope of the present invention.

Next, the composition for preventing plant diseases according to the present izaberete is s can be prepared as a composition, contains the component I and the connection component II at high concentration. A highly concentrated composition may be diluted with water and used as a liquid dispersion. In addition, the composition for preventing plant diseases according to the present invention can be prepared in the form of a mixture for application by mixing the composition containing component I in a high concentration, and composition containing the component II in high concentrations. Such a highly concentrated composition may be diluted with water and used in the form of a dispersion (method of mixing in the tank). In the composition for preventing plant diseases of the present invention can be used active ingredient itself for applying to the habitat of pathogens. Usually it is mixed with an inert liquid carrier, a solid carrier and a surface-active agent and is used in the commonly used forms, such as dusty, wettable powder, granular composition, emulsifiable concentrate, granules and other generally acceptable form. In addition, if necessary for the purposes of the preparation of forms, in addition to a surfactant can be added as auxiliary agent (adjuvant). The term "carrier" is used here to refer to synthetic or prirodnogo material, inorganic or organic material, which is mixed in order to help the active ingredient to reach places, which must be processed, and to facilitate storage, transport connections of the active ingredient and treatment. Can be used for both solid and liquid media, provided that the carriers are widely used in agricultural and horticultural chemicals. Special restrictions on carriers do not overlap.

As solid carriers can be named, for example, clays such as montmorillonite, kaolinite and the like, inorganic substances such as diatomaceous earth, white clay, talc, vermiculite, gypsum, calcium carbonate, silica gel, ammonium sulfate and the like; vegetable organic materials such as soybean flour, sawdust, wheat flour etc.; and urea. In addition, in order to improve physical properties, can be added also highly dispersed silicic acid or highly dispersed absorbent polymer. As for liquid media, as examples can be mentioned aromatic hydrocarbons such as toluene, xylene, cumene and the like; paraffin hydrocarbons, such as kerosene, mineral oil and the like; ketones, such as acetone, methyl ethyl ketone, cyclohexanone and the like; ethers such as dioxane, diethyleneglycol is, dimethyl ether and the like; alcohols such as methanol, ethanol, propanol, ethylene glycol and the like; aprotic solvents such as dimethylformamide, dimethylsulfoxide and the like; and water.

In addition, various excipients may be added one by one or in combination in accordance with the purpose, when taking into account form, application, etc. excipients are commonly used surface-active agents, binding agents, such as ligninsulfonate acid, alginic acid, polyvinyl alcohol, gum, sodium MCC and the like; and stabilizers, such as phenolic compounds, tirinya compounds, esters of higher fatty acids and the like, as antioxidants, phosphates as regulators of pH or, sometimes, as light stabilizers. These excipients can be used, if necessary, by one or as mixtures. Further, in order to prevent the development of bacteria and fungi, and in some cases can be added industrial bactericide or agent to prevent rotting.

Meanwhile, examples of excipients that can be used for emulsification, dispersion, distribution, wetting, binding and stabilization include anionic surface-active agents, such as lignisul the methanesulphonate, Las, salt alkylsulfates ether, polyoxyethyleneglycol, salt polyoxyethylenesorbitan ether and the like; nonionic surface-active agents, such as polyoxyethyleneglycol simple ether, polyoxyethylenesorbitan simple ether, polyoxyalkylene, polyoxyalkylene, polyoxyethyleneglycol, polyoxyalkylene a fatty acid ester, glycerin fatty acid ester, arbitarily a fatty acid ester, polyoxyethylenesorbitan ether fatty acids, block copolymers of polyoxypropylene and polyoxyethylene and the like; lubricants such as calcium stearate, wax and the like; stabilizers such as sour isopropylmyristate and the like; natural or synthetic phospholipids catalinapolo or lecithin number, such as phosphatidylethanolamine, phosphatidylserine, phosphatidylglycerol, lysolecithin and the like; and other substances such as methylcellulose, carboxymethylcellulose, casein, gum, etc. However, the excipient is not limited to the above-mentioned components.

In the composition for preventing plant diseases according to the present invention, the total amount of the active ingredient, which combines the component I and component II, is different depending on the dependency type. Typically, it is from 0.01 wt.% up to 30 wt.% to form the VCS is a, from 0.1 wt.% up to 80 wt.% for wettable powder, from 0.5 wt.% up to 20 wt.% for granules from 2 wt.% up to 50 wt.% for emulsifiable concentrate, from 1 wt.% up to 50 wt.% for granular form and from 1 wt.% up to 80 wt.% for dry granular form. Preferably it comprises from 0.05 wt.% up to 10 wt.% for the form of dust, from 5 wt.% up to 60 wt.% for wettable powder, from 5 wt.% up to 20 wt.% for emulsifiable concentrate, from 5 wt.% up to 50 wt.% for granular form, and from 5 wt.% up to 50 wt.% for dry granular form. Further, the content of the excipient is from 0 wt.% up to 80 wt.%, and the content of the media is the number obtained by subtracting the total content of active ingredient and excipients from 100 wt.%.

As the method of applying the composition for preventing plant diseases of the present invention can be cited as example of processing seed processing dipping, treatment of seed beds, drawing on the foliage, the impregnation of the soil, enter into the soil, etc. Different applications, which typically employ assistants, can also be named. The composition according to the present invention shows sufficient effectiveness of the fight against plant diseases in any of the above methods.

In addition, the applied amount and the concentration of the composition for preventing plant diseases according to Nast is Adamu invention vary depending on the target crops, target diseases, the frequency of occurrence of diseases, forms of connection, the method of application, various types of environmental conditions, etc. In the case of the processing composition of the present invention, the amount of active ingredient is usually from 50 g/ha to 1000 g/ha and preferably from 100 g/ha to 500 g/ha When processing apply wettable powder, granular form or emulsifiable concentrate, after dilution with water, the dilution is usually from 200-fold to 20,000 times, preferably from 500 to 5000 times. Further, when the composition of the present invention is used as a means of disinfection of seeds, the amount of composition (a mixture of component I and component II) is from 0.001 to 50 g per 1 kg of seed, preferably from 0.01 to 10 g per 1 kg of seeds. The composition according to the present invention can be used in a mixture with agricultural chemicals, such as other fungicides, insecticides, acaricides, nematicides, herbicides, plant growth regulators, etc., soil conditioner and fertilizer, and can also be obtained in the form of a mixed formulation with these chemicals.

Composition and method for prevention according to the present invention is effective when the following types of plant diseases. Diseases and pathogens that are the target of the present invention to suppress, in particular, shows what reamers below.

Concrete examples include disease of rice, such as piricularia (Pyricularia oryzae), cessation of growth and loss of membrane plants without rotting (Rhizoctonia solani), leaf blotch, caused by the spores of worms (Cochliobolus miyabeanus), and disease "bakanae" (Gibberela fujicurci); wheat diseases, such as powdery mildew (Erysiphe graminis f. sp. hordei; f. sp. tritici), rust (Pucinia striifornis; P. graminis; P. recondita; P. hordei), spotting sheet (Pyrenophora gramiea), net blotch (Pyrenophora teres), Fusarium rot (Gibberella zeae), snow blight (Typhula sp.; Micronectriella nivalis), sluggish Golovnya (Ustilago tritici; U. nuda), bunt (Tilletia caries), spotting eyes (Pseudocarcosporella herpotrichoides), root rot (Rhizoctonia cerealis), leaf blotch, caused byRhynchosporium(Rhynchosporium secalis), leaf blotch, caused bySeptoria(Septoria tritici), and mottling of the scales of the spikelet (Lectosphaeria nodorum); diseases of beans, cucumbers, tomatoes, strawberries, grapes, potatoes, soybeans, cabbage, Japanese eggplant and lettuce, such as grey mould (Botrytis cinerea); vine diseases, such as downy mildew (Plasmopara viticola), rust (Phakopsora ampelopsidis), powdery mildew (Uncinula necator), Anthracnose (Elsinoe ampelina), ripe rot (Glomerella singulata); diseases of Apple trees, such as powdery mildew (Podosphaera leucotricha), scab (Ventura inaequalis ), the mottling of the leaf, calledAlternaria(Alternaria mali), rust (Gymnosporangium vamadae), drying flower (Scleroinia maliand necrosis Waltz (Valsa mali); diseases of pear trees, such as black spots (Alternaria kikuchiana), scab (Venturianashicola), rust (Gymnosporangium haraeanumand necrosis caused byPhysalospora(Physalospora piricola); disease of peach trees, such as brown rot (Sclerotinia cinerea), scab (Cladosporium carpophilum), and the decay caused byPhomopsis(Phomopsis sp.); disease persimmon, such as Anthracnose (Gloeosporium kaki), crankshaft spotting sheet (Cercoapora kaki; Mycosphaerella nawae) and powdery mildew (Phylactinia kakikora); diseases of cucumbers, such as downy mildew (Pseudoperonospora cubensis); diseases of the Cucurbitaceae family, such as blackleg (Rizoctonia solani), powdery mildew (Sphaerotheca fuliginea), Anthracnose (Colletotrichum lagenarium) and gummy stem blight (Mycosphaerella melonis); diseases of tomatoes, such as alternans (Alternaria solani), leaf mold (Cladosporium fulvamand fitovers (Phytophora infestans); diseases of eggplant, such as powdery mildew (Erysiphecichoraceorum) and leaf mold (Mycovellosiella nattrassii); disease of cruciferous plants, such as mottling of the leaf, calledAlternaria(Alternaria laponica), white spots (Cercosporella barassicae), Clubroot of crucifers (Plasmodiophora brassicaeand Phomopsis (Phoma lingam); disease leeks, such as rust (Puccinia alliiand mottling of the leaf, calledAlternaria(Alternaria porri); diseases of soybeans, such as purple blotch (Cercosporakikuchii), sphaceloma the scab (Elsinoe glycinesand wilt pod and stem (Diaporthe phaseolorum); diseases of beans, such as Anthracnose (Colletotrichum lindemuthianum); diseases of peanuts, such as mottling of the leaf (Mycosphaerella berkeleyiand brown mottling of the leaf (Cercospora arachidicola); diseases of peas, such as powdery mildew (Erysiphe pisi) and downy mildew (Peronospora. pisi); the potato disease, such as zerosport (Alternaria solani), black scab of potato (Rhizoctonia solani) and late blight (Phytophtora infestans); diseases of Fava beans, such as downy mildew (Peronospora. viciaeand fitoterapia rot (Phytophtora nicotianae); diseases of tea, such as mesh bubble rot (Exobasidium reticulatum), white scab (Elsinoe leucospila) and Anthracnose (Colletotrichum theae-sinensis); diseases of tobacco, such as brown spot (Alternaria longipes), powdery mildew (Erysiphe cicheracearum), Anthracnose (Colletotrichum tabacumand "black leg" tobacco (Phytophtora parasitica); diseases of beet, such as Cercospora spotting sheet (Cercosospora beticola); diseases of roses, such as black spots (Diclocarpon rosae), powdery mildew (Sphaerotheca pannosaand phytophtora disease (Phytosphora megasperma); bol is FDI chrysanthemums, such as leaf spot (Septoria chrysanthemi-indici) and rust (Puccinia horiana); diseases of strawberries, such as powdery mildew (Sphaerotheca humuliand Phytophthora rot (Phytophtora nicotianae); diseases of beans, cucumbers, tomatoes, potatoes, grapes, strawberries, soybeans, cabbage, Japanese eggplant and lettuce, such as rot achenes (Sclerotinia sclerotiorum); diseases of citrus, such as melanosis (Diaporthe citri); diseases of carrots, such as the rot sheet (Alternaria dauci), etc.

EXAMPLES

The present invention will now be more specifically illustrated below with reference to examples. However, the present invention is not limited to these examples. We note in passing that all the numerical part of each component in the combinations described in the examples of formulations are mass parts.

An example of a

Example recipe and

Example of formulation A1 (wettable powder containing components I and II)

Wettable powder was obtained by grinding and mixing a total of 100 parts, including 5 parts piniperda component I, component II (any one of the compounds described below, and the quantity used (in parts), 5 parts ligninsulfonate sodium, 10 parts of Las sodium, 10 parts of white carbon black, and the remaining parts of diatomaceous earth or clay.

Prescription example A1 component II and used a number of with whom were returned, accordingly, 5 parts of tetraconazole, 5 parts of flutriafol, 5 parts of mebensole, 5 parts of triadimefon, 5 parts of samakonasana, 5 parts fumarata of EXPOCONSTA, 5 parts of prothioconazole, 10 parts of bupirimate, 25 parts of spiroxamine, 25 parts of metiram, 25 parts Dodin, 25 parts anilazine, 20 parts of chlozolinate, 10 parts oxycarboxin, 5 parts ethaboxam, 2.5 parts of iprovalicarb, 10 parts of pyrazophos, 15 parts of ftorida, 5 parts of diplomatarium, 10 parts fenhexamid, 10 parts of famoxadone, 5 parts of fenamidone, 5 parts of cyazofamid, 5 parts zoxamide, 2,5 parts of cyflufenamid, 10 parts boscalid and 2.5 parts benthiavalicarb-isopropyl.

Comparative example formulations and 1-2 (wettable powder containing only component I (formulation involving only pentopia))

Wettable powder was obtained by grinding and mixing a total of 100 parts, including 10 parts piniperda, 5 parts ligninsulfonate sodium, 10 parts of Las sodium, 10 parts of white carbon black, and the remaining part of the hard-shelled earth or clay.

Comparative example formulations and 1-3 (wettable powder containing only component II (formulation involving only one component (II))

Wettable powder was obtained by grinding and mixing a total of 100 parts, including component II (any one of the compounds described below, and the amount of its net assets is TEI), 5 parts ligninsulfonate sodium, 10 parts of Las sodium, 10 parts of white carbon black, and the remaining parts of diatomaceous earth or clay.

In prescription comparative example and 1-3 component II and the number of its parts were, respectively, 10 parts of tetraconazole, 10 parts of flutriafol, 10 parts of mebensole, 10 parts of triadimefon, 10 parts of samakonasana, 10 parts fumarata of EXPOCONSTA, 10 parts of prothioconazole, 20 parts of bupirimate, 50 parts of spiroxamine, 50 parts of metiram, 50 parts Dodin, 50 parts anilazine, 40 parts of chlozolinate, 20 parts oxycarboxin, 10 parts ethaboxam, 5 parts of iprovalicarb, 20 parts of pyrazophos, 30 parts of ftorida, 10 parts of diplomatarium, 20 parts fenhexamid, 20 parts of famoxadone 10 parts of fenamidone, 10 parts of cyazofamid, 10 parts zoxamide, 5 parts of cyflufenamid, 20 parts boscalid and 5 parts benthiavalicarb-isopropyl.

Examples of tests for disease control

Further specifically illustrate the results of sample tests for disease control. In addition, in each table the letter R indicates pentopia component I. in Addition, in all the following examples of tests was observed synergistic effect was not confirmed symptoms phyto-toxic damage to the plants compared with the use of only one active is the first ingredient.

The test example 1

Control test on powdery mildew of cucumbers (resistant strain EBI)

In the greenhouse, two seedlings of cucumber (variety: sagami-hanjiro) were planted in a plastic pot having a diameter of 7.5 cm, and grown to the stage 1.5 sheet. Wettable powder, which was prepared according to the recipe of example A1 was diluted with water to a prescribed concentration and applied for processing a 50 ml four-pot with the use of spray guns. After the liquid chemical has dried, the leaves of cucumbers, which were pre-selected for damage by the pathogen, were evenly moistened pathogen powdery mildew (resistant strain EBI) using brushes for inoculation. After inoculation plastic pot was placed in homoiothermal the camera (from 20°C to 25°C) in the greenhouse and took from it after it took 14 days for examination. The proportion of the area occupied by the lesion on one sheet of cucumber, evaluated in accordance with the following severity index lesion. Next, calculate the intensity of the containment according to the following equation for the average severity for each plot. At the same time, the same tests were carried out for examples of comparative formulations (formulation containing only one of the ingredients), such as the example formulations and 1-2 is an example of the formulation and 1-3. The results are shown in table 1.

Disease severity 0: No lesion

1: the Area of damage does not exceed 5%

2: size of the lesion 6 - 25%

3: size of the lesion 26 - 50%

4: the Area of damage of not less than 51%

An average value for each of the treated plots and untreated plots was determined as the severity of the disease. The intensity of deterrence was calculated as follows:

The intensity containment = (1 - severity of illness for the treated plots/disease severity for untreated plot) × 100

Table 1
Control test on powdery mildew of cucumbers
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + tetraconazole5 + 589
R + triadimefon5 + 588
R + bupirimate5 + 1090
R + cyflufenamid5 + 2,598
1034
Triadimefon1029
Bupirimate2045
Cyflufenamid566
P (pentopia)1068

The test example 2

Control test on powdery mildew of wheat (resistant strain EBI)

In the greenhouse wheat (variety: chihoku, about 20 shoots per pot) were grown in a plastic pot having a diameter of 7.5 cm, to the stage 1.5 sheet. Wettable powder, which was prepared according to the recipe of example A1 was diluted with water to a prescribed concentration and applied for processing portions of 50 ml per three pots with the use of spray guns. At the same time wettable powders according to examples comparative formulations (formulations containing only one of the active ingredients), such as the example formulations and 1-2 and example recipes and 1-3, used for processing in the same way.

After the liquid chemical was dried, the surface of leaves was inoculable the pathogen is present is the present powdery mildew of wheat (resistant strain EBI). After inoculation plastic pot was placed in the artificial climate chamber at a temperature from 17°C to 21°C and removed from it after it took 5 days for examination. The proportion of the area occupied by lesions on a single sheet of wheat were evaluated in the same manner as in example 1. The intensity of deterrence was calculated in the same way. The results are shown in table 2.

Table 2
Control test on powdery mildew of wheat
The active ingredient in the compositionConcentration treatment (ppm)The intensity
containment
R + flutriafol5 + 585
R + prothioconazole5 + 585
R + spiroxamine5 + 2594
R + pyrazophos5 + 1092
R + diplomatarium5 + 593
Flutriafol 1055
Prothioconazole1042
Spiroxamine5065
Pyrazophos2065
Diplomatarium1065
P (pentopia)1054

The test example 3

Control test on late blight of tomato (strain resistant to phenylamide)

In the greenhouse tomato (variety: sekai-ichi) were grown in a plastic pot having a diameter of 7.5 cm, up to stage 5 leaves. Wettable powder, which was prepared according to the recipe of example A1 was diluted with water to a prescribed concentration and applied for processing a 50 ml four-pot with the use of spray guns. At the same time wettable powders according to examples comparative formulations (formulations containing only one of the active ingredients), such as the example formulations and 1-2 and example recipes and 1-3, used for processing in the same way.

Once deposited on plants liquid chemicals h is Hali, was inoculable suspension-resistant phenylamide strain (zoospores + zoosporangium inside host). After inoculation, the pot was placed in the artificial climate chamber (16°C to 20°C) in the greenhouse and took from it after it took 5 days for examination. Estimated percentage of diseased leaves, i.e. the proportion of diseased leaves from all the leaves of tomatoes. An average value for each of the treated plots and untreated plots was defined as the proportion of diseased leaves.

The intensity of deterrence was calculated as follows. The results are shown in table 3.

The intensity containment = (1 - the proportion of sick leaves for the treated plots/proportion of sick leaves for untreated plot) × 100

5
Table 3.
Control test on the late blight of tomatoes
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + metiram5 + 2580
R + ethaboxam5 + 588
R + iprovalicarb5 + 2,5 90
R + famoxadone5 + 1080
R + fenamidone5 + 586
R + cyazofamid5 + 590
R + zoxamide5 + 582
R + benthiavalicarb-isopropyl5 + 2,595
Metiram5056
Ethaboxam1062
Iprovalicarb570
Famoxadone2062
Fenamidone1058
Cyazofamid1070
Zoxamide1060
Benthiavalicarb-isopropyl70
P (pentopia)1020

The test example 4

Control test on gray mold of tomato at the stage of flowering (grey mould, strain RS)

In the greenhouse tomato (variety: House-Since) were grown in 1/5000a pot Wagner to the stage of flowering. Wettable powder, which was prepared according to the recipe of example A1 was diluted with water to a prescribed concentration and applied for processing portions of 150 ml four-pot with the use of spray guns. At the same time wettable powders according to examples comparative formulations (formulations containing only one of the active ingredients), such as the example formulations and 1-2 and example recipes and 1-3, used for processing in the same way. Suspension conidiospore was prepared from mildew gray mold (resistant MBC-sensitive chemicals on the basis of dicarboximide: strain RS), which was pre-cultured on PDA environment. Later, one day after treatment with chemical suspension conidiospore containing culture fluid was inoculable spray mainly on flowering part twice with an interval of one week. After inoculation pot Wagner was placed in a humid chamber at a temperature of 15°C to 30°C With wet is part of at least 90% in the greenhouse and took out of it after as it took 7 days for examination. Estimated percentage of diseased fruits (proportion of occupied infected ovaries of the total number of ovaries tomatoes) for each pot. Received average proportion of diseased fruits for each of the treated plots and calculated the intensity of deterrence in the following way. The results are shown in table 4.

The intensity containment = (1 - proportion of diseased fruits in treated plot/the proportion of diseased fruits in untreated plot) × 100

Table 4
Control test on gray mold of tomato at the stage of flowering
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + anilazine5 + 2592
R + chlozolinate5 + 2093
R + fenhexamid5 + 1095
R + boscalid5 + 1090
Anilazine50/td> 40
Hotlin4042
Fenhexamid2055
Boscalid2048
P (pentopia)1056

The test example 5

Control test alternity spotting sheet Apple

In the greenhouse of Apple (variety: ourin) were grown in a plastic pot having a diameter of 7.5 cm, up to stage 15 of leaves or more. Wettable powder, which was prepared according to the recipe of example A1 was diluted with water to a prescribed concentration and applied for processing a 100 ml three pot using a hand sprayer. At the same time wettable powders according to examples comparative formulations (formulations containing only one of the active ingredients), such as the example formulations and 1-2 and example recipes and 1-3, used for processing in the same way. Once deposited on plants liquid chemicals were dried, 10 trees, previously intended for the infection attacked by a pathogen alternariosis spot sheet of apples were placed the us on the windward side, and Apple subjects pots placed on the leeward side of the wind from the air conditioner, were inoculated with the wind. After inoculation subjects pots were placed in homoiothermal the camera (from 20°C to 25°C) in the greenhouse and took from it after it has been 20 days for examination. Estimated percentage of space occupied by the defeat, on a single sheet of Apple, according to the same indicators that in test example 1. The intensity of deterrence was calculated by the average disease severity for each plot in the same manner as in test example 1. The results are shown in table 5.

Table 5
Control test alternariosis spot leaf Apple trees
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + kabekona5 + 592
R + fumarate EXPOCONSTA5 + 594
R + Dodin5 + 2590
R + FPO the imide 5 + 1590
Kabekona1042
The fumarate EXPOCONSTA1046
Dodin5044
ForumID3945
P (pentopia)1050

Example test 6

Control test on brown spot of turf grass

In the greenhouse soil that was mixed with the pathogen brown spots, grown on wheat bran, were placed in a part of the lower layer of the plastic pot having a diameter of 7.5 cm, and the upper layer 4 cm; grass (grade: Pentocross), which was grown in advance, tried to dig in the soil and transplanted. Three days after transplantation wettable powder, which was prepared according to the recipe of example A1 was diluted with water to a prescribed concentration; an aqueous solution of chemicals or the like is absorbed into the soil in 40 ml per pot, and then the pots were kept for 20 days at a temperature of from 20°C. to 40°C. Then assessed and the proportion of area affected brown spotting part from the entire surface of the pot according to the same indicators, as in test example 1. The intensity of deterrence was calculated in a similar way. Simultaneously, the same tests were conducted for the samples of comparative formulations (formulations containing only one of the active ingredients), such as the example formulations and 1-2 and example recipes and 1-3.

The results are shown in table 6.

Table 6
Control test on brown spot of grass
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + semiconical5 + 592
R + oxycarboxin5 + 1085
Semiconical1048
Oxycarboxin2042
P (pentopia)1053

In all examples, the tests above in example a, the composition for prevention of the disease is the second plant, containing pentopia (component I) and a specific component II, was recognized as having a synergistic effect, and signs fetotoksicheskoe destruction of the plants were not found in comparison with a composition for preventing plant diseases containing a single active ingredient.

The example In

An example of a formulation b

Example of formulation b1 (wettable powder containing components I and II)

Wettable powder was obtained by grinding and mixing a total of 100 parts, including 5 parts piniperda component I, component II (any one of the compounds described below, and used their number (in parts), 5 parts ligninsulfonate sodium, 10 parts of Las sodium, 10 parts of white carbon black, and the remaining parts of diatomaceous earth or clay.

In the example formulations b1 component II and the quantity used (in parts) were, respectively, 7.5 parts picoxystrobin, 2.5 parts pyraclostrobin, 5 parts fluoxastrobin and 7.5 parts dimoxystrobin.

Comparative example formulation b 1-2 (wettable powder containing only component I (formulation involving only pentopia))

Wettable powder was obtained by grinding and mixing a total of 100 parts, including 10 parts piniperda, 5 parts ligninsulfonate sodium, 10 parts of Las sodium, 10 parts of white soot is, and the remaining parts of diatomaceous earth or clay.

Comparative example formulation b 1-3 (wettable powder containing only component II (formulation involving only one component (II))

Wettable powder was obtained by grinding and mixing a total of 100 parts, including component II (any one of the compounds described below, and the number of its parts), 5 parts ligninsulfonate sodium, 10 parts of Las sodium, 10 parts of white carbon black, and the remaining parts of diatomaceous earth or clay.

In comparative example formulations and 1-3 component II and the number of its parts were, respectively, 15 parts picoxystrobin, 5 parts pyraclostrobin, 10 parts fluoxastrobin and 15 parts dimoxystrobin.

Test examples for the prevention of disease

Next, here specifically shows the results of test examples for the prevention of disease. Further, in each table the letter R means pentopia component I; examples of tests conducted in the same manner as in examples ispytani-3 examples A. example Results of test 1 are shown in table 7, the results of the sample test 2 in table 8, the results of the sample test 3 in table 9.

Table 7
Control test on powdery mildew of cucumbers
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + dimoxystrobin5 + 7,598
Dimoxystrobin1560
P (pentopia)1068

Table 8
Control test on powdery mildew of wheat
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + picoxystrobin5 + 7,598
R + fluoxastrobin5 + 598
Picoxystrobin1566
Fluoxastrobin1068
P (p is tiered) 1042

Table 9
Control test on the late blight of tomatoes
The active ingredient in the compositionConcentration treatment (ppm)The intensity of containment
R + pyraclostrobin5 + 2,592
Pyraclostrobin562
P (pentopia)1020

All of the examples of tests that are shown above in the example, confirmed the synergistic preventive action of the composition for preventing plant diseases containing pentopia (component I) and a specific component II, and were not detected symptoms fetotoksicheskoe destruction of plants in comparison with a composition for preventing plant diseases containing a single active ingredient.

1. Composition for preventing plant diseases comprising, as active ingredients components I and II, where component I is a
(RS)-N-[2-(13-dimethylbutyl)thiophene-3-yl]-1-methyl-3-trifluoromethyl-1H-pyrazole-4-carboxamide, and component II is one or more compounds selected from the group consisting of tetraconazole, flutriafol, mebensole, triadimefon, siliconate, fumarata of EXPOCONSTA, prothioconazole, bupirimate, spiroxamine, metiram, Dodin, anilazine, chlozolinate, oxycarboxin, ethaboxam, iprovalicarb, pyrazophos, forumID, diplomatarium, fenhexamid, famoxadone, fenamidone, cyazofamid, zoxamide, cyflufenamid, boscalid, benthiavalicarb-isopropyl picoxystrobin, pyraclostrobin, fluoxastrobin and dimoxystrobin, and component II is contained in an amount of from 1 to 20 parts by weight per 1 parts by weight of component I.

2. The way to prevent diseases of plants, in which a composition for preventing plant diseases according to claim 1 applied to the habitat of phytopathogens such a way that the number of active components is from 100 to 500 g/ha



 

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