Spirodiclofen-containing compound pesticidal composition and preparation thereof
The technology of a pesticide composition and spirodiclofen is applied in the directions of acaricides, animal repellents, plant growth regulators, etc., and can solve the problems of reducing the amount of pesticides, so as to reduce the amount of pesticides applied, reduce the amount of pesticides used in the field, The effect of improving the control effect
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example 1
[0044] Bioassay Example 1: Toxicity determination of spirodiclofen and indoxacarb compound on beet armyworm and spider mite
[0045] Test subjects: Resistant beet armyworm and spider mite
[0046] Test method: Refer to the Indoor Bioassay Test Guidelines for Insecticides and Pesticides "The People's Republic of China Agricultural Industry Standard NY / T 1154.7-2006" and the creation of the SOP for the evaluation of biological activity of pesticides (Pesticide Volume), using the spray method. Select the third instar larvae with uniform growth, insert into a 9 cm petri dish with a diameter of 10 grams of fresh artificial feed, connect 10 per dish, and connect 5 dishes per treatment, spray under 50PSI pressure with a PottER spray tower, every Spray one dish at a time, each dish is sprayed with 1 ml of liquid medicine, and the blank control is sprayed with the same amount of water. Generally, 6 concentration gradients are set for each treatment. Put the treated petri dish into 25...
Embodiment 1
[0059] Example 1: 41% spirodiclofen · indoxacarb wettable powder
[0060]
[0061] The active ingredients and various auxiliary agents are fully mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, the 41% spirodiclofen·indoxacarb wettable powder can be obtained.
[0062] Indoxacarb in this example can be replaced by chlorantraniliprole, tofenpyramide, fenfluzide, trifluroxyfen, flubendiamide or chlorfluazuron, and form a new the embodiment.
[0063] The 41% spirodiclofen·indoxacarb wettable powder prepared in Example 1 was applied to control cotton bollworm and spider mite. The 41% spirodiclofen·indoxacarb wettable powder was diluted 4000 times with water and sprayed, and the control effects on cotton bollworm and spider mite were 83.5%, 93.2%, 90.2% and 87.2% on 1 day, 7 days and 15 days after spraying. %, 97.1%, 93.5%. 240g / L spirodiclofen suspending agent is 3000 times and 150g / L indoxacarb suspending agent is 2500 t...
Embodiment 2
[0064] Example 2: 21% Spirodiclofen·Cenfenozide Suspending Concentrate
[0065]
[0066]
[0067] Mix the active ingredient, dispersant, wetting agent, antifreeze agent, thickener, defoamer and water according to the ratio of the formula, and grind it with a sand mill to obtain 21% spirodiclofen-cyclamethylene Hydrazine suspension.
[0068]In this example, fenflufenozide can be replaced by indoxacarb, chlorantraniliprole, tolfenpyramide, fluomepyr, flubendiamide or chlorfluazuron, and a new the embodiment.
[0069] The 21% spirodiclofen-fenfenozide suspension concentrate prepared in Example 2 is used to control wheat armyworm and spider mite. Dilute 21% spirodiclofen·cyclenfenozide suspension concentrate 2500 times with water and spray, and the control effects on armyworm and spider mite are 94.7%, 96.2%, 94.5%, 91.6% 7 days and 15 days after spraying. 240g / L spirodiclofen suspension concentrate was used at 3000 times and 5%% fenfenozide suspension was used at 1000 ti...
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