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Compound agent for preventing and controlling premature senility of cotton and application method thereof

A compounding agent and cotton technology, which is applied in the field of pesticides, can solve the problems of premature senescence not yet formed, the number of pollen is reduced, and cotton continues to prematurely senesce, and achieves the effects of solving the problem of premature senescence, delaying senescence, and delaying premature senescence.

Active Publication Date: 2014-09-24
HEBEI AGRICULTURAL UNIV.
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At the same time, before and after budding of cotton is the critical period of boron nutrition, the lack of boron nutrients will lead to a decrease in the number of pollen and falling flowers and buds and peaches, which will aggravate the problem of premature aging
[0007] Although the field has formed a certain understanding of the premature aging mechanism of cotton, so far, an ideal technical solution for solving the premature aging problem has not yet been formed.
Existing research usually directly solves pathological premature aging, but does not pay attention to long-term nutritional deficiency, especially the persistent premature aging of cotton caused by insufficient nutritional supply in the later stage and insufficient nutritional supply in the middle and upper parts. Chitosan oligosaccharide is used for anti-premature aging purposes and methods just there is above-mentioned defect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh 60g of borax, 90g of urea, 120g of potassium dihydrogen phosphate, and 5ml of ethanol solution of 0.06g / ml brassinosteroid to obtain the anti-aging compound agent.

[0023] Weigh 280g of solid powder per mu and add it to 30L of water. After the solid is completely dissolved, add 5ml of liquid preparation and stir evenly before spraying in the cotton field.

[0024] The spraying time is chosen to be sprayed between 8:00 and 10:00 on sunny days. Choose to spray around July 10, July 25, August 10, and August 25.

Embodiment 2

[0026] Weigh 50g of borax, 92g of urea, 100g of potassium dihydrogen phosphate, and 4.5ml of ethanol solution of 0.06g / ml brassinosteroid to obtain the anti-aging compound agent.

[0027] Weigh 300g of solid powder per mu and add it to 30L of water. After the solid is completely dissolved, add 4.5ml of liquid preparation, stir evenly, and then spray on the cotton field.

[0028] The spraying time is chosen to be sprayed between 4:00 and 6:00 pm on sunny days. Choose to spray around July 10, July 25, August 10, and August 25.

Embodiment 3

[0030] Weigh 80g of borax, 150g of urea, 150g of potassium dihydrogen phosphate, and 7.5ml of ethanol solution of 0.06g / ml brassinosteroid to obtain the anti-aging compound agent.

[0031] Weigh 270g of solid powder per mu and add it to 30L of water. After the solid is completely dissolved, add 6ml of liquid preparation and stir evenly before spraying in the cotton field.

[0032] The spraying time is chosen to be sprayed between 8:00 and 10:00 on sunny days. Choose to spray around July 10, July 23, August 8, and August 25.

[0033] Use the compound agent of above-mentioned embodiment 1 to carry out field comparative test in Baoding, Wei County, Cangzhou respectively, and experimental area is 100 mus of lands, and experimental group sprays compound agent of the present invention, and matched group sprays conventional nutrient solution, The main ingredients are 90 parts of ammonium sulfate, 40 parts of potassium sulfate, 45 parts of urea, 5 parts of borax, 1 part of zinc sulfa...

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PUM

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Abstract

The invention discloses a compound agent for preventing and controlling premature senility of cotton, which is composed of solid powder and a liquid preparation, wherein the solid powder comprises borax, urea and potassium dihydrogen phosphate; and the liquid preparation is an ethanol solution of brassinolide. The compound agent can improve the biological activity of the cotton plant and increase the nutrient supply in the cotton growth process, thereby maximally solving the problem in preventing and treating premature senility of cotton and obviously enhancing the ultimate yield of cotton.

Description

technical field [0001] The invention relates to a compound agent, in particular to a compound agent capable of preventing and controlling premature aging of cotton, and belongs to the field of pesticides. Background technique [0002] With the popularization and application of transgenic insect-resistant cotton, the insect-resistant performance of cotton has made significant progress, but with it, the proportion of cotton voltaea has increased, the growth process has advanced, and premature aging has become aggravated, which has become a constraint to the development of cotton production. Key factor. In the year of mild premature aging, the yield reduction of seed cotton per hectare can reach 225kg-300kg, causing economic losses of about 7.5 billion to 10 billion yuan in my country, and the loss in the year of severe premature aging will exceed 15 billion yuan. [0003] Cotton premature senescence, that is, "premature senescence", is a phenomenon that due to self or externa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C21/00
Inventor 李存东刘连涛孙红春张永江
Owner HEBEI AGRICULTURAL UNIV.
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