Synergistic pesticidal composition containing nitenpyram and ethofenprox and application thereof
An insecticidal composition and a nitenpyram-containing technology, applied in the field of pesticides, can solve problems such as no nitenpyram insecticidal composition, and achieve the effects of overcoming pest resistance, reducing medication costs, and expanding control spectrum
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Embodiment 1
[0020] Nitenpyram and etofenprox were weighed and prepared in different proportions according to conventional preparation methods to prepare nitenpyram·methofenprox EC with a main active ingredient mass percentage of 30%. See Tables 1 and 2 for specific ratios.
[0021] Indoor synergistic bioassay was carried out by rice stem dipping method, and the resistant rice planthopper was selected as the target pest. 50 The co-toxicity coefficient was calculated according to Sun Yunpei method, and the results are shown in Table 1:
[0022] Table 1. Indoor toxicity test of nitenpyram-etoproxil compound and its single dose against rice planthopper
[0023]
[0024] The data in the table shows that the mixture of nitenpyram and etofenprox has a synergistic effect on rice brown planthopper, and the co-toxicity coefficients of the three ratios listed in the table are all far greater than 120, so nitenpyram and etofenprox Mixing has a significant synergistic effect.
[0025] Indoor syn...
Embodiment 2
[0039] Weigh 1g of nitenpyram and 9g of etofenprox and dissolve in 8g of xylene, then add 1g of ethylene glycol and 5g of disodium alkylphenol polyoxyethylene ether sulfosuccinate, and stir evenly. The above solution is slowly poured into the remaining amount of water, and fully stirred to form a 10% nitenpyram-etoproxil emulsion in water.
Embodiment 3
[0041] Dissolve 5g of nitenpyram and 5g of etofenprox in 8g of xylene, then add 1g of ethylene glycol and 5g of disodium alkylphenol polyoxyethylene ether sulfosuccinate, and stir evenly. The above solution is slowly poured into the remaining amount of water, and fully stirred to form a 10% nitenpyram-etoproxil emulsion in water.
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