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Cotton defoliating agent

A defoliant and cotton technology, which is applied in the field of pesticides, can solve the problems of not recommended use, slow onset of thidiazuron, slow absorption, etc., and achieves the effects of promoting senescence and shedding, low price, and increased defoliation rate.

Inactive Publication Date: 2017-11-24
广西桂平市石龙镇江夏种养专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it also has disadvantages, such as: thibenzone is slow to act, especially at low temperatures, so it is not recommended to use it when the daily average temperature is lower than 21°C
Among all the harvesting aids, Thidiazuron requires the longest time without rain after spraying (24h), indicating that its absorption is slow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A cotton defoliant, containing the following raw materials in parts by weight: 10 parts of buthiuron with a mass percentage of 50%, 80 parts of magnesium chlorate with a purity of 98%, 3 parts of pulling powder, and 4 parts of polycarboxylate sodium salt , 5 parts of sodium naphthalenesulfonate, 10 parts of ammonium sulfate, and 50 parts of kaolin.

[0023] Preparation method: mix the original drug and various additives evenly, airflow crush, knead with water, carry out scraper extrusion granulation, then dry and sieve to obtain the product.

Embodiment 2

[0025] A cotton defoliant, containing the following raw materials in parts by weight: 8 parts of buthiuron with a mass percentage of 60%, 85 parts of magnesium chlorate with a purity of 98%, 3 parts of pulling powder, and 4 parts of polycarboxylate sodium salt , 5 parts of sodium naphthalenesulfonate, 10 parts of ammonium sulfate, and 50 parts of kaolin. The preparation method refers to Example 1.

Embodiment 3

[0027] A cotton defoliant, containing the following raw materials in parts by weight: 20 parts of buthiuron with a mass percentage of 40%, 70 parts of magnesium chlorate with a purity of 98%, 5 parts of pulling powder, and 3 parts of polycarboxylate sodium salt , 5 parts of sodium naphthalenesulfonate, 10 parts of ammonium sulfate, and 50 parts of kaolin. The preparation method refers to Example 1.

[0028] Effect of use: the defoliant prepared by the above-mentioned invention embodiment improves the defoliation rate by 28.6%-37.1% compared with the 50% thiadizuron wettable powder conventionally used in the market on the 15th day after treatment, and the boll opening rate increases Increased by 5.2%-12.7%. The results show that the mixture containing tetrathhiuron and magnesium chlorate prepared by the present invention has better synergistic effect on cotton defoliation, can accelerate the defoliation speed of cotton and improve the defoliation rate and boll opening rate, wh...

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PUM

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Abstract

The invention discloses a cotton defoliating agent. The cotton defoliating agent comprises tebuthiuron and magnesium chlorate according to a mass ratio of 1: 1 to 1: 100. The cotton defoliating agent provided by the invention is simple, easy to implement, and convenient in operation and large-scale production, and can effectively avoid reduction in the activity of thidiazuron at low temperature from influencing cotton defoliation, increase the cotton defoliating speed and increase the defoliating rate.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a cotton defoliant. Background technique [0002] Cotton was once an important strategic material in my country and played a pivotal role in the agricultural economic structure. my country's cotton production ranks among the top in the world. It is a large textile country and the largest cotton consumer. There are 23 provinces, municipalities and autonomous regions that produce cotton. The cotton industry occupies an important position in the national economy. [0003] Due to the unlimited growth habit of cotton and the limitation of climatic conditions, especially with the development of summer sowing cotton, in most cotton areas in my country, when the frost comes, there are always many cotton bolls that are too late to open bolls, and some of them are not grown in late autumn. Some cotton bolls that can barely mature also become post-frost flowers. After frost, the flower ...

Claims

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Application Information

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IPC IPC(8): A01N59/06A01N47/36A01P21/00
CPCA01N59/06A01N47/36
Inventor 黄亮锦
Owner 广西桂平市石龙镇江夏种养专业合作社
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