Insecticidal composition containing avermectin with synergistic effect
A technology of abamectin and insecticide, which is applied in the field of compound pesticides, can solve the problems of aggravated environmental pollution, no reports of insecticide compositions, and the tendency of pests to develop drug resistance, so as to achieve simple production process and delay the development of pests. Drug resistance, low cost effect
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Embodiment 1
[0036] Example 1: Aphids
[0037] According to the weight ratio of abamectin (unless otherwise stated, the average weight percentage) 5%, nitenpyram 30%, dispersant sodium lignosulfonate 15%, disintegrant aluminum chloride 4%, stabilizer phosphoric acid 1.5% tributyl ester, 5% wetting agent pull-off powder, 39.5% bentonite carrier, made into water-dispersible granules. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 98.10% within 72 hours after spraying. 5% abamectin water-dispersible granules and 30% nitenpyram, water-dispersible granules were used in the same way, and the control effects were 55.05% and 55.91% respectively at 72 hours after the medicine.
Embodiment 2
[0038] Example 2: Aphids
[0039] According to the weight ratio of abamectin (unless otherwise stated, the average weight percentage) 5%, nitenpyram 30%, dispersant sodium lignosulfonate 15%, disintegrant 4%, stabilizer BHT 1.5% , 5% thickener gum arabic, 0.5% antifreeze urea, 5% wetting agent pull apart powder, and water up to 100%. Made into a composition suspension. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 90.98% within 72 hours after application. 5% abamectin suspension and 30% nitenpyram were used in the same way, and the control effects were 41.04% and 43.21% 72 hours after treatment.
Embodiment 3
[0040] Example 3: Aphids
[0041] Proportioning by weight of abamectin (unless otherwise specified, average weight percentage) 1%, nitenpyram 30%, dispersant sodium lignosulfonate 15%, stabilizer tributyl phosphate 1.5%, wetting agent Open powder 5%, carrier bentonite 47.5%, make wettable powder. The formula is diluted and sprayed by 2000-2500 times, and the control effect in the field is 92.07% within 72 hours after spraying. 1% abamectin wettable powder and 30% nitenpyram, the wettable powder was used in the same way, and the control effects were 48.09% and 43.07% respectively at 72 hours after application.
[0042] It can be concluded from Examples 1, 2, and 3 that the control effect on aphids after compounding the same component abamectin and nitenpyram is more than 2 times that of using a single agent of abamectin or nitenpyram.
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