Synergistic insecticidal composition containing tolfenpyrad and chlorantraniliprole and application
The technology of chlorantraniliprole and insecticidal composition is applied in the field of synergistic insecticidal composition, which can solve the problems of high cost of drug use for farmers, inability to protect crops, easy generation of drug resistance, etc. Effects of environmental pollution and pesticide residues, reducing labor costs for prevention and control
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Embodiment 1
[0022] Tonfenpyran and chlorantraniliprole were weighed and prepared in different proportions by conventional preparation methods to prepare tonamiprole·chlorantraniliprole EC with a main active ingredient weight percentage of 30%. See Table 1 for specific proportions.
[0023] The toxicity of tonamiprole, chlorantraniliprole and their compound samples to rice stem borer was determined by the feed poisoning method. Each treatment was repeated 3 times, and each concentration was treated with 30 heads. 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:
[0024] Table 1 Toxicity determination and co-toxicity coefficient of toxinpyran, chlorantraniliprole and their compound samples to rice stem borer
[0025]
[0026] The data in the table shows that the mixture of tonamirad and chlorantraniliprole has a synergistic effect on rice stem borer, and the co-toxicity coefficients of the four ratios listed in the table are all far greater than 120. Therefore,...
Embodiment 2
[0028] Tonfenpyran and chlorantraniliprole were weighed and prepared in different proportions by conventional preparation methods to prepare tonamiprole·chlorantraniliprole EC with a main active ingredient weight percentage of 30%. See Table 2 for specific proportions.
[0029] The rice stem dipping method was used to determine the toxicity of tolfenpyrad, chlorantraniliprole and their compound samples to rice leaf rollers, each treatment was repeated 3 times, and the LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:
[0030] Table 2 Toxicity determination and co-toxicity coefficient of tolfenpyrad, chlorantraniliprole and their compound samples to rice leaf roller
[0031]
[0032] The data in the table shows that the mixture of tonamiprole and chlorantraniliprole has a synergistic effect on the rice leaf roller, and the co-toxicity coefficients of the four ratios listed in the table are all far greater than 120. The mixture of chlorantranilip...
Embodiment 3
[0034] Weigh 5g of fenpyran, 20g of chlorantraniliprole, 4g of calcium dodecylbenzenesulfonate, 3g of phenethylphenol polyoxyethylene ether, add xylene to 100g, and put the above raw materials into Mix in a mixing tank to form tonfenpyrad-chlorantraniliprole emulsifiable concentrate whose main active ingredient is 25% by weight.
[0035] The samples prepared in Example 3 were used to carry out the field test of controlling rice leaf rollers in the field. The control agents were 15% chlorantraniliprole EC (EC) and 22% chlorantraniliprole SC (suspension concentrate). The specific dosages are shown in the table 3. The water consumption per mu is 30kg, and the results will be checked in 3 days, 7 days, 14 days, and 28 days after treatment. Use clear water as a blank control, and the test results are shown in Table 3:
[0036] Table 3 example 3 sample is to the field test result of paddy rice leaf roller
[0037]
[0038]
[0039] It can be seen from Table 3 that Example 3 ...
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