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Pesticide composition for cotton defoliation and ripening and application thereof

The technology of a composition and a defoliant, which is applied in the field of pesticides, can solve the problems of poor ethephon ripening effect, slow defoliation speed of thidiazuron, and low drug cost, etc.

Inactive Publication Date: 2020-07-07
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the defects of the slow defoliation speed of thiadizuron and the poor ripening effect of ethephon described in the background technology, an object of the present invention is to provide a method that can increase the defoliation speed of thiadizuron and the ripening effect of ethephon , reduce the number of spraying, the cotton defoliant composition with excellent cotton defoliation effect, low drug cost, and no influence on the yield and quality of cotton

Method used

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  • Pesticide composition for cotton defoliation and ripening and application thereof
  • Pesticide composition for cotton defoliation and ripening and application thereof
  • Pesticide composition for cotton defoliation and ripening and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Get 8 parts by weight of thiadizuron, 10 parts by weight of fomesafen and 28 parts by weight of ethephon, mix homogeneously, and be mixed with a composition suspension that the mass fraction is 46% (that is, in the composition suspension, thiadizuron accounts for 8wt%, fomesafen 10wt%, ethephon 28wt%).

Embodiment 2

[0025] Get 8 parts by weight of thiadizuron, 20 parts by weight of fomesafen and 28 parts by weight of ethephon, mix homogeneously, and be mixed with a composition suspension that the mass fraction is 56% (that is, in the composition suspension, thiadizuron accounts for 8wt%, fomesafen 20wt%, ethephon 28wt%).

Embodiment 3

[0027] Get 8 parts by weight of thiadizuron, 30 parts by weight of fomesafen and 28 parts by weight of ethephon, mix homogeneously, and be mixed with a composition suspension that the mass fraction is 66% (that is, in the composition suspension, thiadizuron accounts for 8wt%, fomesafen 30wt%, ethephon 28wt%).

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PUM

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Abstract

The invention discloses a defoliating agent composition. The defoliating agent composition comprises the following components in parts by weight: 8-10 parts of thidiazuron, 7-30 parts of fomesafen and24-32 parts of ethephon. The invention further discloses application of the cotton defoliating agent. The defoliating agent composition can well promote cotton defoliation, accelerate cotton boll opening and increase the cotton yield.

Description

technical field [0001] The invention belongs to the field of pesticide technology, relates to the field of pesticide composition and its application, in particular to a defoliant composition and its application. Background technique [0002] Spraying defoliants before cotton harvesting can promote the shedding of cotton leaves and concentrated boll opening, reduce the impurity content of cotton, and improve the efficiency of cotton mechanized harvesting operations. At present, there are 87 cotton defoliant products approved and registered in my country within the validity period, including 45 single agents and 42 mixed agents. The single agent is mainly thiadizuron, there are 43; the other 2 are metazachlor. The mixture is mainly thiadiuron·diuron, there are 40 of them, and the other two are thiadiuron·ethephon and diuron·thiadiuron·ethephon. Therefore, the active ingredients of cotton defoliant products in my country are relatively single, and there is an urgent need for ...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N41/06A01N57/20A01P21/00
CPCA01N41/06A01N47/36A01N57/20
Inventor 马亚杰任相亮马艳马小艳胡红岩王丹宋贤鹏
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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