Insecticidal composition containing trifluorobenzene pyrimidine and methoxyfenozide and application of insecticidal composition

A technology of methoxen hydrazide and trifluoropyrimidine, which is applied in the field of pesticides, can solve the problems of control failure, aggravated disease prevalence and the like, and achieves the effects of improving yield and quality, good quick effect and remarkable synergistic effect.

Active Publication Date: 2020-12-25
ANHUI FENGLE AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems in the prior art that the frequency of resistance to the control agents for the control of rice leaf rollers is constantly increasing, and the range of resistance is expanding year by year, which often leads to failure of control and aggravation of d

Method used

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  • Insecticidal composition containing trifluorobenzene pyrimidine and methoxyfenozide and application of insecticidal composition
  • Insecticidal composition containing trifluorobenzene pyrimidine and methoxyfenozide and application of insecticidal composition
  • Insecticidal composition containing trifluorobenzene pyrimidine and methoxyfenozide and application of insecticidal composition

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preparation example Construction

[0037] The preparation method of the dispersible oil-suspension concentrate is a commonly used preparation method in the art, without special limitation; in the present application, the preparation method of the dispersible oil-suspension concentrate comprises the following steps: mixing each component uniformly and putting the mixture in a ball mill Ball milling for 2-5 hours to form a coarse dispersion, adjust the pH value to 5-8, and then go through wet ultrafine grinding to make the average particle size meet the national standard, and then get the dispersible oil suspension product.

[0038]Further, in one embodiment, the dispersible oil suspension concentrate, calculated by weight percentage, includes 1-25% of trifluoropyrimidine, 1-25% of methoxyfenozide, 3% of ethoxylated alkylphenyl ether -10%, 1-8% propylene glycol, 15-25% ethyl acetate, 5-10% polyvinyl alcohol, 0.5-5% organic silicone oil, water to make up the balance to 100%.

[0039] In one embodiment, the pestici...

Embodiment 1

[0067] A dispersible oil suspension concentrate, calculated by weight percentage, including trifluoropyrimidine 11%, methoxyfenozide 11%, ethoxylated alkyl phenyl ether 5%, propylene glycol 4%, ethyl acetate 18%, polyethylene Alcohol 5%, silicone oil 2%, water make up the balance to 100%.

[0068] The preparation method of the dispersible oil suspension comprises the following steps: mixing each component uniformly and ball milling in a ball mill for 4 hours to form a coarse dispersion, adjusting the pH value to 6, and then making the average particle size by wet ultrafine grinding When the diameter D98 reaches 4 microns, a dispersible oil suspension product can be obtained.

Embodiment 2

[0070] A dispersible oil suspension concentrate, calculated by weight percentage, including trifluoropyrimidine 11%, methoxyfenozide 11%, ethoxylated alkyl phenyl ether 10%, propylene glycol 1%, ethyl acetate 25%, polyethylene Alcohol 10%, silicone oil 5%, water to make up the balance to 100%.

[0071] The preparation method of described dispersible oil suspension concentrate is with embodiment 1.

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Abstract

The invention belongs to the technical field of pesticides, and particularly relates to an insecticidal composition containing trifluorobenzene pyrimidine and methoxyfenozide and application of the insecticidal composition. The invention provides an insecticidal composition containing triflumezopyrim and methoxyfenozide, the effective components of the insecticidal composition are triflumezopyrimand methoxyfenozide, and the weight ratio of the triflumezopyrim to the methoxyfenozide is 50: 1 to 1: 50. According to different action mechanisms of various medicaments, the most appropriate proportion is sought for the insecticidal composition to prevent and treat rice, and compared with the traditional reagent, the insecticidal composition has the following advantages: (a) the insecticidal composition is efficient, low in toxicity, low in residue, good in fast-acting property, long in lasting period and environment-friendly; (b) the composition has no cross resistance with a traditional mainstream reagent for preventing and treating cnaphalocrocis medinalis; and (c) various reagents have compatibility and a remarkable synergistic effect, so that the insecticidal activity is improved, the dosage of a single bactericide is reduced, the pesticide use cost is saved, and the yield and quality of agricultural products are improved.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to an insecticidal composition containing trifluoropyrim and methoxyfenozide and its application. Background technique [0002] Rice leaf roller, also known as scraper caterpillar, white leaf insect, bract leaf insect, etc., is one of the main pests in rice production areas in China, and is widely distributed in various rice areas. In addition to damaging rice, it can also feed on barley, wheat, sugar cane, millet and other crops, as well as weeds such as barnyardgrass, Lishihe, paspalum, bispalum, crabgrass, foxtail, cricket grass, thatch, and reed. Harm rice with larvae, attach leaves to form longitudinal bracts, hide in them and feed on the upper epidermis and mesophyll, leaving only the white lower epidermis. The damage at the seedling stage affects the normal growth of rice, or even dies; the damage from the tillering stage to the jointing stage, the tillering i...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N37/40A01P7/04
CPCA01N43/90A01N37/40
Inventor 金立胡华海张帮林李文葛亮亮王毅陈克付汤忠祥
Owner ANHUI FENGLE AGROCHEM
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