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Composition containing chitin derivative and used for alleviating herbicide chemical damages

A chitin derivative, herbicide technology, applied in the application, biocide, animal repellent and other directions, can solve the problem of no improvement effect on plants, and achieve the effects of alleviating herbicide phytotoxicity, low use concentration and low cost

Inactive Publication Date: 2018-06-19
CHENGDU NEWSUN CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the most widely used herbicide damage mitigation methods are spraying foliar fertilizer, adequate watering, spraying growth-promoting regulators, spraying alkaline substances, etc., to promote the growth of crops to alleviate herbicide damage, but These methods are only suitable for plants with slight phytotoxicity, and have no improvement effect on plants with severe damage.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Get chitosan 0.2g (Shandong Changrui Industrial Group Co., Ltd., batch number: 20150728), amino oligosaccharin 0.4g (Qingdao Honghai Biotechnology Co., Ltd., batch number: 20150812), calcium 0.2g, magnesium 0.2g, zinc 0.1g, manganese 0.1g, iron 0.15g.

[0043] After mixing, it is made into an aqueous solution with a mass fraction of chitin derivatives of 0.6%.

[0044] The prepared product is diluted 800 times, and used after soybean damage occurs, that is, it is evenly sprayed on the whole plant of soybean with damage. Before spraying, the plant leaves showed yellowing and burning spots; after spraying, the soybean plants damaged by the herbicide showed obvious improvement the next day. Three days later, new leaves appeared from the growing points, the leaves were normal in color, and the plants were straight.

Embodiment 2

[0055] Take carboxymethyl chitosan 0.3g (Shandong Laizhou Haili Biological Products Co., Ltd., batch number: 20150612), deacetylated chitin 0.3g (Shandong Changrui Industrial Group Co., Ltd., batch number: 20150718), calcium 0.3g, magnesium 0.2 g, copper 0.1g, zinc 0.2g, iron 0.15g, manganese 0.1g.

[0056] After mixing, it is made into an aqueous solution with a mass fraction of chitin derivatives of 0.6%.

[0057] The prepared product is diluted 1000 times, fully mixed with the herbicide diluent, and evenly sprayed on the whole peanut plant. The next day after spraying, the lower leaves of the peanut plants would wilt and slightly chlorotic, while the upper parts of the plants were hardly affected; after 3 days, the peanut plants returned to normal growth.

Embodiment 3

[0068] Take 0.8g of chitosan (Shandong Changrui Industrial Group Co., Ltd., batch number: 20150718), 0.6g of chitosan (Qingdao Honghai Biotechnology Co., Ltd., batch number: 20150804), 0.3g of calcium, 0.4g of sulfur, and 0.2g of boron , zinc 0.1g, molybdenum 0.05g.

[0069] After mixing, it is made into an aqueous solution with a mass fraction of chitin derivatives of 1.4%.

[0070] The prepared product is diluted 1500 times, and the whole cotton plant is evenly sprayed before applying the herbicide, and the herbicide is applied the next day. The next day after the application of the herbicide, the lower leaves of the cotton showed slight chlorosis, and the plants were straight; 3 days later, the plants returned to normal growth.

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PUM

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Abstract

The invention relates to a composition for alleviating herbicide chemical damages, in particular relates to a composition containing a chitin derivative and belongs to the technical field of fertilizer. The composition for alleviating the herbicide chemical damages, provided by the invention, is prepared from the following components in parts by weight: 0.01 to 20.0 parts of the chitin derivative,0.1 to 15.0 parts of secondary elements and 0.1 to 10.0 part of trace elements. The composition for alleviating the herbicide chemical damages, provided by the invention, has the effects of reconstructing plant cell walls, stabilizing cell membranes, cleaning intracellular oxygen free radicals and the like, and is used for inducing and constructing a resistance system of crops and alleviating chemical damage symptoms, and normal growth of the crops is recovered, so that the herbicide chemical damages are alleviated in an efficient and low-toxicity manner.

Description

technical field [0001] The invention relates to a composition for alleviating phytotoxicity of herbicides, in particular to a composition containing chitin derivatives, and belongs to the technical field of fertilizers. Background technique [0002] With the sharp increase in labor costs and the application and promotion of agricultural medical equipment, chemical weeding has rapidly developed into the main means of agricultural weeding. Because of its advantages of high efficiency, labor saving, and time saving, it has been rapidly popularized and applied in agricultural production. . [0003] However, chemical herbicides also have their disadvantages. Due to the slow degradation of chemical herbicides, soil residues, drift during use, improper dosage, method and time, or wrong crops, insufficient mixing, insufficient cleaning of medical equipment, windy weather, etc. All may cause phytotoxicity to subsequent crops and neighboring crops. The crops injured by herbicides ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/32
CPCA01N25/32
Inventor 何其明刘文涛荣波任丹杨艳芹唐青青杜初庭
Owner CHENGDU NEWSUN CROPSCI
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