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Herbicide

A herbicide and glyphosate technology, applied in the field of pesticides, can solve the problems of incomplete weed killing, high transportation costs, and low active ingredients, and achieve the goals of reducing weeding time and tillage intervals, reducing labor intensity, and enhancing weeding effects Effect

Inactive Publication Date: 2017-03-08
重庆市山丹生物农药有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Glyphosate is a high-efficiency, low-toxicity, low-residue broad-spectrum herbicide, but due to the long-term use of glyphosate single agent, some weeds have obvious resistance, and the control effect on some perennial vicious weeds The reduction of weeds, the phenomenon of incomplete weed killing, not killing roots, or weeds turning green and surviving after a period of time, will increase the amount of glyphosate used per unit area and the number of times of use, and the cost of use will increase at the same time. Repeated use will also increase The risk of glyphosate residues in crops is very inconsistent with the guidelines for the use of pesticides and is not conducive to the development of agriculture. At present, the single agent based on glyphosate is used in China to control weeds in forest land and non-cultivated land. There are problems such as low active ingredients, large usage, and high transportation costs

Method used

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  • Herbicide

Examples

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Comparison scheme
Effect test

Embodiment 1

[0010] 671 grams of glyphosate with a purity of 95%, 95 grams of 2-methyl-4 sodium chloride with a purity of 95%, 20 grams of sodium lauryl sulfate, 50 grams of modified polycarboxylate (LBD-1), naphthalene sulfonate Acid (dispersant NNO) 30 grams, white carbon black 37 grams. Gravityless mixing is then carried out in a conical mixer for approximately 30-70 minutes. All percentages in this example are mass percentages.

Embodiment 2

[0012] 586 grams of glyphosate with a purity of 95%, 60 grams of 2-methyl-4 sodium chloride with a purity of 95%, 20 grams of sodium lauryl sulfate, 50 grams of modified polycarboxylate (LBD-1), naphthalene sulfonate Acid (dispersant NNO) 30 grams, white carbon black 195 grams. Gravityless mixing is then carried out in a conical mixer for approximately 30-70 minutes. All percentages in this example are mass percentages.

Embodiment 3

[0014] 316 grams of glyphosate with a purity of 95%, 6 grams of 2 methyl 4 sodium chloride with a purity of 95%, 10 grams of sodium lauryl sulfate, 10 grams of modified polycarboxylate (LBD-1), naphthalene sulfonate Acid (dispersant NNO) 10 grams, white carbon black 650 grams. Gravityless mixing is then carried out in a conical mixer for approximately 30-70 minutes. All percentages in this example are mass percentages.

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Abstract

The invention discloses a herbicide, comprising, by weight, 30-90% of glyphosate, 0.5-10% of MCPA-sodium, 3-20% of a surfactant and the balance of auxiliary materials. The herbicide has the advantages that the control effect of the herbicide is better than that of a traditional single agent, interval time between weeding and tillage is shortened, labor intensity is lowered, and high cost performance is achieved; the weeding effect for resistant malignant weeds is enhanced by using the different weeding objects of two low-toxicity herbicides, residues in soil are reduced by using the reasonable combination, and the control effect for target crops is enhanced at the same time.

Description

technical field [0001] The present invention relates to a pesticide, in particular to a herbicide. Background technique [0002] Glyphosate is a broad-spectrum biocidal herbicide with high efficiency, low toxicity and low residue. However, due to the long-term use of glyphosate single agent, some weeds have obvious resistance, and it is effective against some perennial malignant weeds. The phenomenon of incomplete killing of weeds, root-killing, or weeds turning green and surviving after a period of application, increases the amount of glyphosate used per unit area and the number of times of use, the cost of use increases at the same time, and the repeated use of glyphosate also increases. The risk of glyphosate residues in crops is very unsuitable for the use of pesticides and is not conducive to the development of agriculture. Currently, the single agent based on glyphosate is used in China to control weeds such as forest land and non-cultivated land. There are problems s...

Claims

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Application Information

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IPC IPC(8): A01N57/20A01P13/00A01N39/04
Inventor 黄家其
Owner 重庆市山丹生物农药有限公司