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Herbicide composition and application thereof

A composition and herbicide technology, applied in the field of pesticides, can solve the problems of reducing herbicidal effect, long use time, crop yield reduction and the like

Inactive Publication Date: 2016-02-03
河北博嘉农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the long use time, the weeds are overgrown with drug resistance, which reduces the weeding effect, and also has some adverse effects on crops, and even results in crop yield reduction.

Method used

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  • Herbicide composition and application thereof
  • Herbicide composition and application thereof
  • Herbicide composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0100] Embodiment 1: Preparation of herbicidal formulation aqueous suspension of the present invention

[0101] The implementation steps of this embodiment are as follows:

[0102] The raw materials are as follows: in parts by weight

[0103]

[0104] The preparation steps are as follows: firstly mix sodium lauryl sulfate, sodium lignosulfonate, xanthan gum, ethylene glycol, C10-20 saturated fatty acid compounds and water through high-speed shearing, then add fenflumezone, Atrazine and nicosulfuron were sent to a sand mill for grinding for 2.5 hours, so that the particle diameters were all below 5 μm to prepare the herbicidal preparation aqueous suspension of the present invention.

Embodiment 2

[0105] Embodiment 2: Preparation of herbicidal formulation aqueous suspension of the present invention

[0106] The implementation steps of this embodiment are as follows:

[0107] The raw materials are as follows: in parts by weight

[0108]

[0109]

[0110] The preparation steps are as follows: firstly mix sodium lauryl sulfate, sodium lignosulfonate, xanthan gum, ethylene glycol, C10-20 saturated fatty acid compounds and water through high-speed shearing, then add fenflumezone, Atrazine and nicosulfuron were sent to a sand mill for grinding for 2.5 hours, so that the particle diameters were all below 5 μm to prepare the herbicidal preparation water suspension of the present invention.

Embodiment 3

[0111] Embodiment 3: preparation herbicide preparation oil suspension concentrate of the present invention

[0112] The implementation steps of this embodiment are as follows:

[0113] The raw materials are as follows: in parts by weight

[0114]

[0115] The preparation steps are as follows: First, Nongru 600#, sodium lauryl alcohol polyoxyethylene ether sulfate, nonylphenol polyoxyethylene ether, magnesium aluminum silicate, propylene glycol, silicone compounds, and methyl naphthalene high-level aliphatic hydrocarbon oil are passed through high-speed Shear and mix evenly, then add oxatrazone, terbuthylazine and nicosulfuron, and then send it to a sand mill for grinding for 3 hours, so that the particle size is all below 5 μm, and the herbicide preparation oil suspension of the present invention is prepared.

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PUM

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Abstract

The invention relates to a herbicide composition and application thereof. The herbicide composition is prepared from the following active components in parts by weight: 0.1 to 20 parts of topramezone, 10 to 80 parts of atrazine or terbuthylazine, and 0.3 to 20 parts of nicosulfuron or foramsulfuron. Compared with the prior art, the herbicide composition disclosed by the invention has an obvious synergistic interaction effect, so that the prevention and treatment effect of medicaments is enhanced; the medicine use amount is reduced by over 5 percent, the use cost is reduced, the environmental pollution is relieved, and social benefits are achieved; the prevention and treatment spectrum is expanded; the herbicide composition can enhance the prevention effect on broad weeds andnutgrass flatsedge in addition to well preventing and treating gramineous weeds in a corn field; resistance to single effective components is delayed, and the service life of an existing pesticide is prolonged; after a herbicide such as atrazine is used for a long time, weeds start to generate resistance to a working system of the herbicide; after three herbicides with different working modes are mixed, the problem can be effectively solved.

Description

【Technical field】 [0001] The invention belongs to the technical field of pesticides. More specifically, the present invention relates to a herbicidal composition, and also relates to the use of the herbicidal composition. 【Background technique】 [0002] With the deepening of protective tillage in farmland, the types of weeds, their changing patterns, and the harm they cause have become problems that need to be solved urgently. The weed survey found that the density of weeds in conservation tillage cornfields was 31.8%-42.6% higher than that of traditional tillage, and the frequency of weeds was 13.3%-31.6% higher. The main weeds in cornfields are barnyardgrass, foxtail, chrysanthemum, crabgrass, amaranth, purslane, field bindweed, Cyperus rotundum, and wild melon seedlings. These weeds compete with corn for water, fertilizer and glory, seriously affecting the growth of corn. The usual control method is to select nicosulfuron and atrazine herbicides, or nitrater and atrazi...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/70A01N43/80
Inventor 王迎春
Owner 河北博嘉农业有限公司
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