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Weeding composition

A herbicidal composition and the technology of the composition, applied in the field of pesticides, can solve the problems of low safety, phytotoxicity in farmland, and yield reduction, etc., and achieve the effect of good weeding effect, crop safety, and wide weeding spectrum

Inactive Publication Date: 2012-07-04
刘东卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, herbicides have been widely used in agricultural production, but due to the large amount of abuse and poor adaptability to different situations, a single herbicide can easily lead to problems such as poor weeding effect, low safety, and easy to cause different degrees of production reduction.
In recent years, herbicide mixed preparations have increased sharply, but the unfavorable conditions such as repeated preparation and use of a large number of low-level, and only focusing on low cost while ignoring safety and efficacy are still serious, which has caused phytotoxicity to farmland, not only to rice. Unfavorable growth will also affect the growth of the next stubble
In addition, the control of refractory weeds is still a difficult problem in the application of existing herbicides.

Method used

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  • Weeding composition

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The weight ratio and preparation method of each component: 78% of mefenamide, 4.5% of bensulfuron-methyl, 5.5% of promethazine, 5% of sodium lignosulfonate and alkylnaphthalene sulfonate, and the balance is kaolin and white carbon black. Pour each component into the mixing tank at one time, evenly and pulverize under stirring.

Embodiment 2

[0020] The weight ratio and preparation method of each component: 78% of mefenamide, 5% of bensulfuron-methyl, 5% of sizazone, 5% of sodium lignin sulfonate and alkyl naphthalene sulfonate, and the balance is kaolin and white carbon black. Pour each component into the mixing tank at one time, evenly and pulverize under stirring.

Embodiment 3

[0022] The weight ratio and preparation method of each component: 75% of fenthiazide, 3% of bensulfuron-methyl, 7% of promethazine, 4% of sodium lignosulfonate, and the balance is kaolin. Pour each component into the mixing tank at one time, evenly and pulverize under stirring.

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PUM

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Abstract

The invention discloses a weeding composition, which comprises active ingredients A, B and C, wherein the active ingredient A is mefenacet, the active ingredient B is bensulfuron, and the active ingredient C is prometryne or simetryne. According to the weeding composition, the ingredients have the synergistic effect, so the weeding composition is good in weeding effect, wide in weeding spectrum, low in residue, safe to crops, low in cost and high in adaptability, and can be applied to weeds which are difficult to weed.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a herbicidal composition. Background technique [0002] Mefenacet, also known as cyclohexam, is a selective systemic anilide herbicide, an inhibitor of cell growth and division, and has a particularly strong inhibitory effect on the division of immature proto-mother cells. It is mainly absorbed through the bud sheath and root, and is transmitted to the young shoots and young leaves of weeds through xylem and phloem, preventing the cell division and elongation of the growth point of weeds. growth point. It inhibits cell division and enlargement of cells, especially mother cells, thereby hindering the growth of barnyardgrass until death. [0003] Bensulfuron-methyl is a selective systemic herbicide. The agent diffuses rapidly in the water, and after being absorbed by the roots and leaves of the weed, it is transferred to other parts, hindering the biosynthesis of branched-c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/78A01N43/70A01P13/00
Inventor 刘东卫
Owner 刘东卫
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