Pesticidally active mixtures

Abstract

Pesticidal mixtures including a pesticidally active compound I selected from: a) compound a) of formula (I). ##STR00001## b) compound b) of formula (Ia), ##STR00002## c) mixtures comprising compounds a) and b),
and at least one further pesticidal active ingredient are disclosed. Methods and use of these mixtures for combating and controlling insects, acarids or nematodes in and on plants, and for protecting such plants being infested with pests are disclosed.

Claims

1. Pesticidal mixtures comprising as active compounds 1) at least one compound I selected from a) compound a) of formula (I) ##STR00012## b) compound b) of formula (Ia) ##STR00013## c) mixtures comprising compounds a) and b), or the tautomers, enantiomers, diastereomers, or salts thereof, and 2) one or more pesticidally active compounds II selected from the group of 2.1. a compound selected from the compound of formula II.1, compound II.7 and compound II.8: ##STR00014## compound II.7 N-[4-chloro-3-(cyclopropylcarbamoyl)phenyl]-2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazole-3-carboxamide; compound II.8 N-[4-chloro-3-[(1-cyanocyclopropyl)carbamoyl]phenyl]-2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazole-3-carboxamide; 2.2. a compound of formula II.2 TABLE-US-00008 (II.2) R.sup.II.2.1a R.sup.II.2.1b II.2-1 H CH.sub.3 II.2-2 H Cl II.2-3 CH.sub.3 Cl II.2-4 CH.sub.3 CH.sub.3 II.2-5 O—CH.sub.2CH.sub.3 CH.sub.3 II.2-6 O—CH.sub.3 CH.sub.3 II.2-7 O—CH.sub.3 Cl II.2-8 O—CH.sub.2CH.sub.3 Cl 2.3. a compound of formula II.3-1 or II.3-2 ##STR00016## 2.4. a compound of formula II.4-1 or II-4.2 ##STR00017## 2.5. a compound of formula II.5 ##STR00018## wherein the moiety —C(O)NHR.sup.II.5 in compounds II.5-1 to II.5-4 is connected to position 4 of the indazole moiety and wherein the moiety —C(O)NHR.sup.II.5 in compounds II.5-5 to II.5-10 is connected to position 5 of the indazole moiety; 2.6. a compound of formula II.6 ##STR00019## 2.7. compound II.9 acynonapyr; 2.8. compound II.10 benzpyrimoxan; 2.9. compound II.11 2-chloro-N-(1-cyanocyclopropyl)-5-[1-[2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazol-3-yl]pyrazol-4-yl]benzamide; in a pesticidally effective amount, and the weight ratio of compound I and compound II is from 1000:1 to 1:1000.

2. Pesticidal mixtures according to claim 1, wherein the compound II is the compound II.1, II.2-1, II.2-2, II.2-3, II.2-4, II.2-5, II.2-6, II.2-7, II.2-8, II.3-1, II.3-2 or II.4-1, II.4-2, II.4-1S, II.4-1R, II.4-2S or II.4-2R.

3. Pesticidal mixtures according to claim 1, wherein the compound I is compound a) of formula (I).

4. Pesticidal mixtures according to claim 1, wherein the compound I is compound b) of formula (Ia).

5. Pesticidal mixtures according to claim 1, wherein the compound of formula I is a mixture of compound a) and compound b).

6. Pesticidal mixtures according to claim 1, wherein the compound II is a compound selected from the compound of formula II.1, compound II.7 and compound II.8: ##STR00020## compound II.7 N-[4-chloro-3-(cyclopropylcarbamoyl)phenyl]-2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazole-3-carboxamide; compound II.8 N-[4-chloro-3-[(1-cyanocyclopropyl)carbamoyl]phenyl]-2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazole-3-carboxamide.

7. Pesticidal mixtures according to claim 1, wherein the compound II is the compound of formula II.1.

8. Pesticidal mixtures according to claim 1, wherein the compound II is the compound of formula II.4-1 or II.4-2: ##STR00021##

9. The pesticidal mixture of claim 1, for use in treating soil, furrows, dwelling places or nests, wherein the pesticidal mixture is applied in an amount from 0.0001 g to 500 g per 100 m.sup.2.

10. The pesticidal mixture of claim 1, for use in treating crop plants, wherein the pesticidal mixture is applied in an amount from 0.0001 g to 4000 g per hectare.

11. Pesticidal mixtures according to claim 1, wherein the mixture of compound I and compound II comprises at least one further pesticide that is compound III, an insecticide that is not identical to the compound I or II already present in the mixture.

12. A method for controlling insects, acarids or nematodes comprising contacting an insect, acarid or nematode or their food supply, habitat, breeding grounds or their locus with a mixture according to claim 11 in pesticidally effective amounts.

13. A method of protecting plants from attack or infestation by insects, acarids or nematodes comprising contacting the plant, or the soil or water in which the plant is growing, with a pesticidally effective amount of a mixture according to claim 11.

14. A method for protection of plant propagation material comprising contacting the plant propagation material with a mixture as defined in claim 11 in pesticidally effective amounts.

15. Seed, comprising the mixture according to claim 11 in an amount of from 0.1 g to 10 kg per 100 kg of seeds.

16. A pesticidal composition, comprising a liquid or solid carrier and a mixture according to claim 11.

Description

BIOLOGICAL EXAMPLES

(1) In the following compound a) is compound a) of formula (I) (broflanilide).

B.1 Vetch Aphid (Megoura viciae)

(2) For evaluating control of vetch aphid (Megoura viciae) through contact or systemic means the test unit consisted of 24-well-microtiter plates containing broad bean leaf disks. The compounds or mixtures were formulated using a solution containing 75% by weight water and 25% by weight DMSO. Different concentrations of formulated compounds or mixtures were sprayed onto the leaf disks at 2.5 μl, using a custom built micro atomizer, at two replications.

(3) For experimental mixtures in these tests identical volumes of both mixing partners at the desired concentrations respectively, were mixed together.

(4) After application, the leaf disks were air-dried and 5-8 adult aphids placed on the leaf disks inside the microtiter plate wells. The aphids were then allowed to suck on the treated leaf disks and incubated at 23+1° C., 50+5% RH for 5 days. Aphid mortality and fecundity was then visually assessed. For the mixtures tested the results are listed in table 1.

(5) TABLE-US-00003 TABLE 1 Compound (s) used ppm Average Control % II.1 0.8  0 a) 0.8 50 II.1 + a) 0.8 + 0.8   100* II.6-2 5 25 a) 0.8 25 II.6-2 + a) 5 + 0.8 100* II.3-1 10 50 a) 0.08  0 II.3-1 + a) 10 + 0.08 100* *synergistic control effect according to Colby's equation

B.2 Green Peach Aphid (Myzus persicae)

(6) For evaluating control of green peach aphid (Myzus persicae) through systemic means the test unit consisted of 96-well-microtiter plates containing liquid artificial diet under an artificial membrane.

(7) The compounds or mixtures were formulated using a solution containing 75% by weight water and 25% by weight DMSO. Different concentrations of formulated compounds or mixtures were pipetted into the aphid diet, using a custom built pipetter, at two replications.

(8) For experimental mixtures in these tests identical volumes of both mixing partners at the desired concentrations respectively were mixed together.

(9) After application, 5-8 adult aphids were placed on the artificial membrane inside the microtiter plate wells. The aphids were then allowed to suck on the treated aphid diet and incubated at 23±1° C., 50±5% RH for 3 days. Aphid mortality and fecundity was then visually assessed. For the mixtures tested the results are listed in table 2.

(10) TABLE-US-00004 TABLE 2 Compound(s) used ppm Average Control % II.4-1 2 0 a) 0.8 25  II.4-1 + a) 2 + 0.8 75* II.3-1 10  37.5 a) 0.08 0 II.3-1 + a) 10 + 0.08 100*  *synergistic control effect according to Colby's equation

B.3 Boll Weevil (Anthonomus grandis)

(11) For evaluating control of boll weevil (Anthonomus grandis) the test unit consisted of 24-well-microtiter plates containing an insect diet and 20-30 A. grandis eggs.

(12) The compounds or mixtures were formulated using a solution containing 75% by weight water and 25% by weight DMSO. Different concentrations of formulated compounds or mixtures were sprayed onto the insect diet at 20 μl, using a custom built micro atomizer, at two replications. For experimental mixtures in these tests identical volumes of both mixing partners at the desired concentrations respectively, were mixed together.

(13) After application, microtiter plates were incubated at 23±1° C., 50±5% RH for 5 days. Egg and larval mortality was then visually assessed. For the mixtures tested the results are listed in table 3.

(14) TABLE-US-00005 TABLE 3 Average Compound(s) used ppm (Control %) II.3-1 50 25 a) 0.08 25 II.3-1 + a) 50 + 0.08 87.5* *synergistic control effect according to Colby's equation

B.4 Tobacco Budworm (Heliothis virescens)

(15) For evaluating control of tobacco budworm (Heliothis virescens) the test unit consisted of 96-well-microtiter plates containing an insect diet and 15-25 H. virescens eggs.

(16) The compounds or mixtures were formulated using a solution containing 75% by weight water and 25% by weight DMSO. Different concentrations of formulated compounds or mixtures were sprayed onto the insect diet at 10 μl, using a custom built micro atomizer, at two replications.

(17) For experimental mixtures in these tests identical volumes of both mixing partners at the desired concentrations respectively, were mixed together.

(18) After application, microtiter plates were incubated at 28+1° C., 80+5% RH for 5 days. Egg and larval mortality was then visually assessed. For the mixtures tested the results are listed in table 4.

(19) TABLE-US-00006 TABLE 4 Average Compound(s) used ppm (Control %) II.4-1 0.08 0 a) 0.8 0 II.4-1 + a) 0.08 + 0.8 75* *synergistic control effect according to Colby's equation

B.5 Greenhouse Whitefly (Trialeurodes vaporariorum)

(20) For evaluating control of Greenhouse Whitefly (Trialeurodes vaporariorum) the test unit consisted of 96-well-microtiter plates containing a leaf disk of egg plant leaf disk with white fly eggs. The compounds or mixtures were formulated using a solution containing 75% by weight water and 25% by weight DMSO. Different concentrations of formulated compounds or mixtures were sprayed onto the insect diet at 2.5 μl, using a custom built micro atomizer, at two replications. For experimental mixtures in these tests identical volumes of both mixing partners at the desired concentrations respectively, were mixed together.

(21) After application, microtiter plates were incubated at 23±1° C., 65±5% RH for 6 days. Mortality of hatched crawlers was then visually assessed. For the mixture tested the results are listed in Table 5.

(22) TABLE-US-00007 TABLE 5 Average Greenhouse Whitefly ppm (Control %) II.3-1 2 + 0   25 a) 0 + 0.4 0 II.3-1 + a) 2 + 0.4 62.5* *synergistic control effect according to Colby's equation