PESTICIDAL MIXTURE COMPRISING A CARBOXAMIDE COMPOUND AND A BIOPESTICIDE

Abstract

The present invention relates to pesticidal mixtures comprising as active components at least one active compound selected from compounds of formula I, formula Ia, and mixtures thereof and at least one biopesticide II. Furthermore, the present invention relates to seed treatment compositions comprising said mixtures, to methods and uses comprising the application of these mixtures and to seeds comprising the mixtures of the invention or a seed treatment composition thereof.

Claims

1. A pesticidal mixture comprising as active components component 1) at least one pesticidal active carboxamide compound I selected from i) compound i) of formula (I) ##STR00004## ii) compound ii) of formula (Ia) ##STR00005## iii) mixtures comprising i) and ii) or the tautomers, enantiomers, diastereomers or salts thereof; and component 2) B. thuringiensis, in synergistically effective amounts.

2. The pesticidal mixture according to claim 1, wherein the carboxamide compound I is compound i) of formula (I).

3. The pesticidal mixture according to claim 1, wherein component 1) and component 2) are present in a total weight ratio of from 100:1 to 1:100 wherein the total weight of component 2) is based on the amount of the solid material (dry matter) of component 2).

4. The pesticidal mixture according to claim 1, further comprising as active component 3) a further active compound Ill, which is selected from insecticides or fungicides.

5. The pesticidal mixture according to claim 4, wherein the active component 3) is an insecticide, wherein said insecticide is selected from the group consisting of fipronil, clothianidin, thiamethoxam, acetamiprid, dinotefuran, imidacloprid, thiacloprid, sulfoxaflor, methiocarb, tefluthrin, bifenthrin, cypermethrin, alphacypermethrin, spinosad, cyantraniliprole, chlorantraniliprole, triflumezopyrim, flupyradifurone, abamectin, thiodicarb, tetraniliprole and tioxazafen.

6. The pesticidal mixture according to claim 4, wherein the active component 3) is a fungicide, wherein said fungicide is selected from the group consisting of azoxstrobin, trifloxystrobin, picoxystrobin, pyraclostrobin, sedaxane, penthiopyrad, penflufen, fluopyram, fluxapyroxad, boscalid, oxathiapiprolin, metalaxyl, metalaxyl-M, ethaboxam, dimethomorph, cyproconazole, difenoconazole, prothioconazole, flutriafol, thiabendazole, ipconazole, tebuconazole, triadimenol, prochloraz, fluquinconazole, triticonazole, fludioxonil, carboxin, silthiofarm, ziram, thiram, carbendazim, thiophanate methyl, fenamidone, hymexazol, and fluazinam.

7. A seed treatment composition comprising an auxiliary and a mixture as defined in claim 1, wherein the auxiliary is selected from the group consisting of surfactants, antifreezing agents, binders, and pigments.

8. The seed treatment composition according to claim 7, which is in the form of a flowable concentrate FS, a solution LS, a powder for dry treatment DS, a water dispersible powder for slurry treatment WS, a water-soluble powder SS, an emulsion ES or EC, or a gel formulation.

9. A method for controlling nematodes, controlling invertebrate pests, or protecting a plant, plant propagation material or soil or water in which the plants are growing, against the attach or infestation by invertebrate pests, comprising contacting the plant or the plant propagation material or the soil; the pests or their food supply, habitat or breeding grounds, with a pesticidally effective amount of a mixture as defined in claim 1.

10. The method according to claim 9, wherein the mixture further comprises abamectin or tioxazafen.

11. Seeds comprising the mixture as defined in claim 1 in an amount of from 0.01 g to 10000 g per 100 kg of seeds.

Description

EXAMPLES

[0333] Synergism can be described as an interaction where the combined effect of two or more compounds is greater than the sum of the individual effects of each of the compounds. The presence of a synergistic effect in terms of percent control, between two mixing partners (X and Y) can be calculated using the Colby equation (Colby, S. R., 1967, Calculating Synergistic and Antagonistic Responses in Herbicide Combinations, Weeds, 15, 21-22):

[00001]$E=X+Y-\frac{XY}{100}$

[0334] When the observed combined control effect is greater than the expected combined control effect (E), then the combined effect is synergistic.

[0335] Tests may demonstrate the control efficacy of compounds, mixtures or compositions of this invention on specific pests. However, the pest control protection afforded by the compounds, mixtures or compositions is not limited to these species. In certain instances, combinations of a compound of this invention with other invertebrate pest control compounds or agents are found to exhibit synergistic effects against certain important invertebrate pests.

[0336] The analysis of synergism or antagonism between the mixtures or compositions may be determined using Colby's equation.

[0337] Pesticides Tested

[0338] The preferred Compound I, namely compound i of formula I has been provisionally approved under the common name broflanilide.

TABLE-US-00008 Formulation Description Active Ingredient Broflanilide SC Broflanilide, GABA 10% antagonist Broadband 1019 Beauveria bassiana, strain ~4 × 109 CFU/ml PPRI5339, EC formulation Dipel ® Pro DF Bacillus thuringiensis, 54% fermentation solids, subsp. kurstaki, strain spores, and toxins ABTS-351, dry flowable formulation

[0339] Lepidopteran Efficacy

[0340] Large leaf lima bean (southern armyworm) and radish (diamondback moth) were dipped in treatment solution and allowed to dry. The leaves were excised and placed individually into square petri dishes containing two filter paper discs moistened with 0.5 ml of reverse osmosis water. One neonate insect per dish (total of 20 dishes per treatment, grouped into 5 dishes per replicate) were infested for the test with southern armyworm. Five insects per dish (total of 5 dishes per treatment) were infested for the test with diamondback moth. The studies were held in an environmental chamber 14 L: 10 D at 30° C. and 70% RH. The number of dead and moribund insects were recorded (moribund was considered dead). Rate rundowns were conducted initially to determine sublethal rates for the combination testing.

[0341] 5 replications with 5 insects are each conducted per treatment, insects are held singly.

[0342] Control mortality is less than 15% and standard treatments yielded 100% mortality.

TABLE-US-00009 TABLE 4 Efficacy of Broadband BB 1019 (B. bassiana) and broflanilide against neonate diamondback moth via radish leaf dip Mean % Mortality @ Days after Treatment Treatment 2 DAT broflanilide @ 0.01 ppm 44.0 Broadband 1019 @ 20 ul/100 ml 16.0 Combination 96.0 Synergy Factor 1.8 Synergy Observed (Colby's Formula) yes

[0343] The results showed that the combination of broflanilide and Broadband displayed an obvious synergistic effect against diamondback moth.

TABLE-US-00010 TABLE 5 Efficacy of Dipel (B. thuringiensis) + broflanilide against neonate southern armyworm via lima bean leaf dip Mean % Mortality @ Days after Treatment Treatment 4 DAT BAS 450 @ 0.0025 ppm 23.5 Dipel @ 25 ppm 10.3 Combination 47.1 Synergy Factor 1.5 Synergy Observed (Colby's Formula) Synergy

[0344] Efficacy of the combination of broflanilide and Dipel against southern armyworm was numerically higher than that of individual products, and showed a synergistic effect.