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Sterilization composition containing pyrimethanil and application of composition

A technology of pyrimethanil and its composition, which is applied in the field of fungicidal compositions compounded with pyrimethanil and dimethocarb, can solve the problems of increasing production costs, increasing the dosage of drugs and spraying times, disadvantages, etc., and achieves extended renewal The time of replacement, the effect of delaying the resistance of bacteria and prolonging the use cycle

Inactive Publication Date: 2015-03-25
孙素一
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the long-term and large-scale single use of Dithofencarb single agent has caused great drug resistance of the bacteria, which is not conducive to the further improvement of drug efficacy, and has increased the difficulty of prevention and control. It is necessary to increase the dosage and spraying times, which increases the The labor intensity has increased the production cost of use. In addition, the large-scale use of medicaments causes more drug residues, which affects product quality. On the other hand, it also causes certain pollution to the environment.

Method used

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  • Sterilization composition containing pyrimethanil and application of composition
  • Sterilization composition containing pyrimethanil and application of composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: pyrimethanil 4%, dimethocarb 44%, p-methoxy fatty acid sodium sulfanil 3%, sodium methylene bis-naphthalene sulfonate 4%, sodium lauryl sulfate 3%, white 5% of carbon black, the balance of kaolin.

[0027] The above components were mixed and subjected to jet milling to obtain 44% pyrimethanil·dimethocarb wettable powder.

Embodiment 2

[0028] Embodiment 2: with pyrimethanil 15%, dimethocarb 15%, alkylphenol polyoxyethylene ether formaldehyde condensate phosphate 2%, alkylnaphthalene formaldehyde condensate sulfonate 3%, nonylphenol polyoxygen Vinyl ether 1%, xanthan gum 0.3%, benzoic acid 0.2%, organosilane defoamer 0.3%, water balance.

[0029] All the materials are mixed and stirred, and after being evenly stirred, the materials are put into a sand mill for sand milling, so that the materials reach a fineness of 2-5 μm to obtain 30% pyrimethanil·dimethocarb suspending agent.

Embodiment 3

[0030] Embodiment 3: pyrimethanil 1%, dimethocarb 40%, polycarboxylate 5%, sodium methylene bis-naphthalene sulfonate 5%, sodium lauryl sulfate 4%, disintegrant urea 8%, Kaolin balance.

[0031] The above materials were mixed, pulverized and granulated to prepare 41% pyrimethanil·diethofocarb water-dispersible granules.

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Abstract

The invention belongs to the technical field of pesticide compositions and particularly relates to a sterilization composition containing pyrimethanil and application of the composition. The composition is used for preventing and controlling gray mold on crops such as various melons and fruits and vegetables. The weight ratio of pyrimethanil to diethofencarb in the composition is (1 to 1) to (1 to 80). The composition has the synergistic effect by compounding pyrimethanil with diethofencarb.

Description

technical field [0001] The invention belongs to the technical field of pesticide compositions, and in particular relates to a bactericidal composition compounded with pyrimethanil and diethofencarb, which is mainly used for preventing and treating gray mold on various fruits, vegetables and other crops. Background technique [0002] Chemical control is an important means of agricultural disease control, but due to the single action site of most agents and frequent use for a long time, the resistance of pathogenic bacteria to drugs is increasing day by day, so that it cannot effectively control diseases such as downy mildew, blight, gray mold, etc. Diseases that are easy to infect, infect quickly, develop rapidly, and are difficult to control, leading to a large reduction in crop production or even extinction. [0003] Pyrimethanil (pyrimethanil), chemical name: N-(4,6-dimethylpyrimidin-2-yl) aniline, the original drug is a colorless crystal, melting point 96.3 ° C, vapor pre...

Claims

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Application Information

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IPC IPC(8): A01N47/20A01P3/00A01N43/54
Inventor 孙素一
Owner 孙素一