Synergistic herbicide/insecticide composition containing certain pyridine carboxylic acids and certain insecticides
View Patent ↗An herbicide/insecticide composition containing (a) a pyridine carboxylic acid component and (b) an insecticide component provides synergistic control of selected weeds.
1. A synergistic herbicide/insecticide mixture comprising an herbicidally effective amount of (a) a pyridine carboxylic acid herbicide of the formula
and (b) an insecticide selected from the group consisting of bifenthrin, chlorpyrifos, cyfluthrin, lambda-cyhalothrin, cypermethrin, deltamethrin, dimethoate, flonicamid, tau-fluvalinate, malathion, pirimicarb and sulfoxaflor wherein
when (b) is bifenthrin, the weight ratio of (a) to (b) is from 8.75:1.6 to 35:1.6;
when (b) is chlorpyrifos, the weight ratio of (a) to (b) is from 8.75:60 to 35:60;
when (b) is cyfluthrin, the weight ratio of (a) to (b) is from 8.75:3.75 to 35:3.75;
when (b) is lambda-cyhalothrin, the weight ratio of (a) to (b) is from 7:1 to 28:1;
when (b) is cypermethrin, the weight ratio of (a) to (b) is from 1.4:1 to 5.6:1;
when (b) deltamethrin, the weight ratio of (a) to (b) is from 7:1 to 28:1;
when (b) is dimethoate, the weight ratio of (a) to (b) is from 8.75:170 to 35:170;
when (b) is flonicamid, the weight ratio of (a) to (b) is from 1:2 to 1:0.5;
when (b) is tau-fluvalinate, the weight ratio of (a) to (b) is 17.5:48;
when (b) is pirimicarb, the weight ratio of (a) to (b) is 1:1 to 1:4;
when (b) is malathion, the weight ratio of (a) to (b) is 1:8 to 1:32; and
when (b) is sulfoxaflor, the weight ratio of (a) to (b) is 1.4:1 to 5.6:1.
2. The mixture of claim 1 , wherein (b) is chlorpyrifos, and the weight ratio of (a) to (b) is from 8.75:60 to 35:60.
3. The mixture of claim 1 , wherein (b) is cyfluthrin, and the weight ratio of (a) to (b) is from 8.75:3.75 to 35:3.75.
4. The mixture of claim 1 , wherein (b) is lambda-cyhalothrin, and the weight ratio of (a) to (b) is from 7:1 to 28:1.
5. The mixture of claim 1 , wherein (b) is cypermethrin, and the weight ratio of (a) to (b) is from 1.4:1 to 5.6:1.
6. The mixture of claim 1 , wherein (b) deltamethrin, and the weight ratio of (a) to (b) is from 7:1 to 28:1.
7. The mixture of claim 1 , wherein (b) is dimethoate, and the weight ratio of (a) to (b) is from 8.75:170 to 35:170.
8. The mixture of claim 1 , wherein (b) is flonicamid, and the weight ratio of (a) to (b) is from 1:2 to 1:0.5.
9. The mixture of claim 1 , wherein (b) is tau-fluvalinate, and the weight ratio of (a) to (b) is 17.5:48.
10. The mixture of claim 1 , wherein (b) is pirimicarb, and the weight ratio of (a) to (b) is 1:1 to 1:4.
11. The mixture of claim 1 , wherein (b) is malathion, and the weight ratio of (a) to (b) is 1:8 to 1:32.
12. The mixture of claim 1 , wherein (b) is sulfoxaflor, and the weight ratio of (a) to (b) is 1.4:1 to 5.6:1.
13. The mixture of claim 1 , wherein (b) is bifenthrin, and the weight ratio of (a) to (b) is from 8.75:1.6 to 35:1.6.