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Mite-killing composition

A composition and technology for harming mites, which are applied in the directions of acaricides, biocides, animal repellents, etc., can solve the problems of easy generation of drug resistance, reduced drug dosage, poor control effect, etc. Slow down the generation of drug resistance, slow-acting effect

Inactive Publication Date: 2017-06-20
李金环
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of poor control effect of a single agent and easy generation of drug resistance, the inventor proposed a mite-killing composition after long-term exploration. The active ingredients of the mechanism are compounded, which expands the control spectrum and delays the formation of pest mite resistance. It also has a good control effect on the pest mite populations that have developed resistance, and its control effect is better than that of a single component, and the dosage is reduced. , reduces the cost

Method used

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Examples

Experimental program
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Effect test

experiment example 2

[0024] Experimental Example 2 Indoor Toxicity Determination of Cotton Spider Mite

[0025] Weigh the original drug of doramectin, tebufenfen and flufenuron according to the weight ratios shown in Examples 1-6, mix and dissolve them in acetone, and then dilute them into five gradients of 20ppm, 40ppm, 80ppm, 160ppm and 320ppm Concentration, with clear water treatment as contrast, insects for testing are cotton red spider mite, bioassay method is leaf dipping method, investigates the number of dead insects after 36 hours, adopts Sun Yunpei method to calculate the co-toxicity coefficient of mixture, test result is as shown in table 1 , CTC ≥ 120 means synergistic effect, 80 < CTC < means additive effect, CTC ≤ 80 means antagonistic effect, and the measurement results are shown in Table 3.

[0026] Table 3 Indoor toxicity test results of doramectin, tebufenfen and flubenzuron to cotton spider mite

[0027]

[0028] As can be seen from the above bioassay results, the compositio...

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Abstract

The invention discloses an acaricidal composition. The active ingredient is composed of doramectin, tebufenfen and flubenzuron. The acaricidal composition has a control effect better than that of a single ingredient, reduced dosage, low cost, and delayed The advantage of pest resistance has a good control effect on common agricultural pest mites such as citrus spider mite and cotton spider mite, and has a good application prospect in the development of new pesticide compound preparations.

Description

technical field [0001] The invention belongs to the field of pesticide acaricides, and in particular relates to an acaricidal composition with doramectin, tebufenfen and flubenzuron as active ingredients and its application in preventing and controlling agricultural pests. Background technique [0002] Doramectin is the third-generation derivative of the new macrolide antibiotic abamectin, which is fermented from a new strain of genetically recombined Streptomyces arermitilis. It is a new, Broad-spectrum insecticide, especially for mites has a good control effect. [0003] Tebufenpyrad is an amide-type acaricide. It has quick-acting and high-efficiency effects on all growth stages of mites. It has a long-lasting effect and has penetrating activity. It has excellent selectivity to target crops and is not easy to cause phytotoxicity. . It has good control activity against various pests such as Tetranychidae, Tarsalidae, Eriodidae, Aphididae, Aphididae, and Whiteflyidae, a...

Claims

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Application Information

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IPC IPC(8): A01N47/34A01N43/90A01N43/56A01P7/02
CPCA01N47/34A01N43/56A01N43/90
Inventor 李金环
Owner 李金环
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