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A cotton defoliant

A technology of defoliant and cotton, applied in the field of pesticides, can solve the problems of withered leaves, affecting harvest quality, affecting cotton yield, etc., and achieves fast disintegration speed, strong adaptability to water temperature and water quality, and low cost Effect

Active Publication Date: 2016-07-06
江西禾田科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the name suggests, the active ingredient of the herbicide-type defoliant is herbicide. Because the herbicide has a direct killing effect on cotton leaves, the cotton leaves die quickly after spraying, causing the leaves to "dry but not fall". Improper spraying not only affects cotton yield but also affects harvest quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Tethhiuron 1%, thiadiuron 30%, pull open powder 3%, polycarboxylate sodium salt 4%, naphthalenesulfonic acid sodium salt 5%, ammonium sulfate 10%, kaolin supplement 100%.

Embodiment 2

[0021] Example 2: Tethhiuron 5%, thiadiuron 50%, pull open powder 3%, polycarboxylate sodium salt 4%, naphthalenesulfonate sodium salt 5%, sodium sulfate 10%, corn starch 10%, kaolin supplement 100%.

[0022] Preparation of water suspension : After weighing the two original medicines, add necessary various additives and water, and use high-speed shears to

[0023] After the cutting machine cuts evenly, put it into a sand mill for sand grinding, and obtain a uniform water suspension product after filtration.

Embodiment 3

[0024] Example 3 : Tethhiuron 3%, Thidiazuron 30%, Lignosulfonate Sodium Salt 1%, Polyether Phosphate Ammonium Salt 4%, Xanthan Gum 0.2%, Sodium Benzoate 1%, Propylene Glycol 3%, Defoamer 0.4%, Water makes up 100%.

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PUM

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Abstract

The invention discloses a cotton defoliant used in the later stage of cotton, which contains 5% to 75% by weight of active ingredients buthiuron and thiadiuron, wherein the weight ratio of buthiuron and thiadiuron is 1:1 to 1:30. The dosage form of the defoliant is an environmentally friendly dosage form such as water-dispersible granules, water-suspension concentrates or dispersible oil-suspension concentrates. The water-dispersible granules and water-suspension concentrates should be added to the spray liquid in the amount of 0.3%~ 1.0% vegetable oil spray adjuvant to increase defoliation effect. The field defoliation application test of the defoliant shows that the defoliation rate investigated on the 15th day after treatment is 28.6%-37.1% higher than that of the conventional defoliating product 50% Thidiazuron WP in the market, and the boll opening rate is increased by 5.2% %~12.7%.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a cotton defoliation agent, in particular to a cotton defoliation agent containing buthiuron and thiadiuron. Background technique [0002] With the continuous development of social economy and science and technology, the cotton industry has also ushered in a good opportunity, which provides conditions for realizing the large-scale development of cotton and enhancing the economic benefits of cotton production. inevitable trend of development. Mechanized picking is not only conducive to improving cotton yield and quality, but also increasing economic benefits and saving costs. In recent years, the mechanized planting and processing of cotton has been popularized and applied on a large scale, while the development of mechanized cotton picking is relatively slow, which has become the main factor restricting the development of cotton industry in Xinjiang. The uneven quality of hand-picked ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01P21/00
Inventor 吴敏华刘伟张登科黄松其吴永刚贾京京斯晓帆
Owner 江西禾田科技有限公司
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