Insecticide composite containing celastrus angulatus and spinosad
The technology of an insecticidal composition and spinosad is applied in the field of pesticide application, which can solve the problems of increased pest resistance and decreased control effect, and can reduce the application amount, reduce the cost of pesticides, and achieve a significant synergistic effect of virulence. Effect
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Embodiment 1
[0018] Embodiment 1: Indoor toxicity determination of spinosad, picroderm and their mixture to Spodoptera litura
[0019] The test adopts the method of soaking leaves and inoculating insects: the test agent is made into a certain concentration of mother liquor, and then diluted with water to 5 gradient concentrations for use, and clean water is used as a control. Take fresh taro leaves and cut them into approximately 50mm long fragments of basically the same size, dip the cut leaves in the prepared test drug solution for 10 seconds, take them out and let them dry naturally, then put them into a culture medium lined with filter paper in advance. In a dish (φ120mm). Then artificially reared 2nd instar larvae were inserted into the dish, 15 per dish, and each concentration was replicated three times. Place it in the greenhouse for cultivation, check and record the death situation after 72 hours, calculate the death rate, and obtain the regression equation of toxicity, correlatio...
Embodiment 2
[0028] Example 2: 2.5% spinosad · phasicine suspension concentrate (spinosyn: phasicine = 4:1)
[0029] Take by weighing spinosad 2.0%, picroderm 0.5%, alkyl aryl polyoxypropylene polyoxyethylene ether 3.5% (dispersant), polynaphthyl sodium sulfonate 5.0% (wetting agent), Ethylene glycol 2.5% (antifreeze agent), xanthan gum 0.8%, silicone 0.3% (defoamer), and deionized water to make up to 100%.
[0030] The preparation method of Example 1-2 is as follows: mix each component uniformly according to the ratio of the formula, grind and high-speed shear to obtain an insecticidal composition containing spinosyn·picroderm, and the dosage form is a suspension concentrate.
Embodiment 3
[0031] Embodiment 3: 4.0% spinosad · phasicine in water emulsion (spinosyn: phasicine = 3:1)
[0032] Take by weighing spinosad 3.0%, picroderm 1.0%, 2% nonylphenol polyoxyethylene (EO=10) ether phosphate, 2% tristyrylphenol polyoxyethylene ether phosphate (agricultural milk 600# phosphate), 10% xylene, 3.6% calcium dodecylbenzenesulfonate, 0.5% organic silicon, and water to make up to 100%.
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