Insecticide composite containing celastrus angulatus and spinetoram
A technology of spinosyn and insecticidal composition, which is applied in the field of pesticide application, can solve the problems of increased pest resistance and high cost per mu, and achieves the reduction of pesticide cost, reduction of application amount, and significant synergistic effect of toxicity Effect
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[0017] Example 1: Indoor toxicity determination of spinetoram, celangulin and their mixtures against Plutella oleracea
[0018] The test adopts the method of leaf immersion inoculation: the test agent is mixed into a certain concentration of mother liquor, and then diluted with clear water to 5 gradient concentrations for later use, and clear water is set as the control. Take fresh cabbage leaves and cut them into approximately 50mm long pieces of the same size, immerse the cut leaves in the prepared test solution for 10 seconds, take them out and let them dry naturally, and put them in a culture with filter paper beforehand. In a dish (φ120mm). Then the 3rd instar larvae of Plutella xylostella were inserted into the dish, 15 larvae per dish, 3 replicates for each concentration. Cultivate in a greenhouse, check and record the death situation after 72 hours, calculate the death rate, and calculate the virulence regression equation, correlation coefficient and lethal concentration...
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[0027] Example 2: 5.0% spinetoram·celangulin suspension (spinetoram: celangulin=3:2)
[0028] Weigh spinetoram 3.0%, celangulin 2.0%, alkyl aryl polyoxypropylene polyoxyethylene ether 3.5% (dispersant), sodium polynaphthalene formaldehyde sulfonate 5.0% (wetting agent) , Ethylene glycol 2.5% (antifreeze), xanthan gum 0.8%, silicone defoamer 0.3%, deionized water to make up to 100%.
[0029] The preparation method of Example 1-2 is: mix the components uniformly according to the formula ratio, and obtain the insecticidal composition containing spinetoram·celangin after grinding and high-speed shearing, and the dosage form is a suspension .
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[0030] Example 3: 4.0% spinetoram·celangulin water emulsion (spinetoram: celangulin=3:1) Weigh spinetoram 3.0% and celangulin according to the amount 1.0%, 2% nonylphenol polyoxyethylene (EO=10) ether phosphate, 2% triphenylethyl phenol polyoxyethylene ether phosphate (Nongru 600# phosphate), xylene 10%, dodecane Calcium benzenesulfonate 3.5%, organic silicon 0.5%, water to make up to 100%.
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