Compound desinsection primary agent and pesticide consisting of verticillium lecanii and beta-cypermethrin
A technology of high-efficiency cypermethrin and Verticillium cerevisiae, applied in the field of pesticides, can solve problems such as undiscovered, achieve good control effect, reduce pesticide residues, and have no environmental pollution effects
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Embodiment 1
[0023] Embodiment 1: 20% Verticillium lecanii beta-cypermethrin oil (diluted 1000 times during use)
[0024] Verticillium lecanii powder (10 10 A / g) 20%, beta-cypermethrin 3%, methyl green 2%, Tween-80 5%, paraffin oil 23%, kaolin supplemented to 100%, made 50% Verticillium lecanii beta-cypermethrin oil. Wherein, the mass ratio of Verticillium lecanii bacteria powder: beta-cypermethrin is 100:15. The results of the toxicity test are shown in Table 1.
Embodiment 2
[0025] Embodiment 2: 5% Verticillium lecanii beta-cypermethrin suspension concentrate (diluted 1000 times during use)
[0026] Part A is 10% conidia suspension of Verticillium lecanii: dissolve 10% conidia powder of Verticillium lecanii in 0.21M phosphate buffer and 10% glycerol mixture, adjust pH to 7.0 , Store at 4-8°C.
[0027] Part B is wettable powder: beta-cypermethrin 5.0%, Tween-80 20%, sodium lignosulfonate 6%, dispersant NNO 4%, add clay to make up to 100%.
[0028] Part A and part B respectively account for 50%, and the two parts are directly mixed to obtain 5% Verticillium lecanii beta-cypermethrin suspension concentrate, and the mass ratio of Verticillium lecanii:beta-cypermethrin is 100:50. The results of the toxicity test are shown in Table 1.
Embodiment 3
[0029] Embodiment 3: 50% Verticillium lecanii beta-cypermethrin wettable powder (diluted 1000 times during use)
[0030] Verticillium lecanii powder (10 10 Individual / g) 50%, beta-cypermethrin 3%, saponin 14%, Tween-80 10%, add potter's clay and mend to 100%, make 50% Paecilomyces beta-cypermethrin wettable powder. Wherein, the mass ratio of Verticillium lecanii bacteria powder: beta-cypermethrin is 100:6. The results of the toxicity test are shown in Table 1.
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