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Weeding composition and application thereof

A herbicidal composition and a technology for the composition are applied in the field of farmland weeding, which can solve problems such as poor root absorption, and achieve the effects of reducing the dosage, reducing the cost of medication, and making up for defects and limitations.

Inactive Publication Date: 2015-08-26
湖南东永化工有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Weed seeds absorb pesticides during germination, and the roots absorb poorly, so they can only be used as pre-emergence soil treatment

Method used

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  • Weeding composition and application thereof
  • Weeding composition and application thereof
  • Weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1: Herbicidal composition (27% penoxsulam·cyhalofop-methyl·pretilachlor dispersible oil suspension concentrate)

[0038] The herbicidal composition described in the present embodiment comprises the following components by weight:

[0039]

[0040] The herbicidal composition of this implementation can be obtained by the following method: dissolving the components of the above formula into a uniform oil phase; mixing under high-speed stirring to obtain 27% penoxsulam·cyhalofop-methyl·pretilachlor dispersible oil suspension.

Embodiment 2

[0041] Embodiment 2: Herbicidal composition (34% penoxsulam·cyhalofop-methyl·pretilachlor dispersible oil suspension concentrate)

[0042] The difference between this embodiment and embodiment 1 is:

[0043]

[0044]

Embodiment 3

[0045] Embodiment 3: Herbicidal composition (27% penoxsulam·cyhalofop-methyl·pretilachlor dispersible oil suspension concentrate)

[0046] The difference between this embodiment and embodiment 1 is:

[0047]

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Abstract

The invention relates to a weeding composition including the following components: penoxsulam, cyhalofop butyl and pretilachlor in the weight ratio of 1:6:20-2:7:25. The weeding composition shows obvious synergistic effect, the pesticide use dosage is reduced, the drug use time is reduced, the drug use cost is reduced, the negative impact of the pesticide on the ecological environment is reduced, by combination of the three effective ingredients, the weed control spectrum is expanded, the problem of weeds can be solved by once drug application, the effect mechanism of the three effective ingredients are not identical, the disadvantage of low tendency to produce resistance caused by long time of single use of the three effective ingredients can be overcome, the service life of the drug can be prolonged, and the weeding composition is high in efficiency, low in toxicity, fast in drug effect, long in effect lasting period, low in use cost, easy to use, and time and effort saving.

Description

technical field [0001] The invention belongs to the technical field of farmland weeding, and in particular relates to a herbicidal composition containing penoxsulam, cyhalofop-ethyl and pretilachlor. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance. At the same time, when weeds occur, the grass phase is complex, and grass weeds, broad-leaved weeds, and sedges are mixed. The use of a single herbicide can no longer effectively solve the problem of farmland weeds, and all will show certain aspects. Bugs and Limitations. [0003] Penoxsulam is a triazolopyrimidinesulfonamide herbicide that works by inhibiting acetolactate synthase (ALS). Absorbed by stems, leaves, young buds and roots, it is transmitted to meristems through xylem and phloem, inhibits plant growth, causes growth points to lose chlorosis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P13/00A01N39/04A01N37/22
Inventor 张建华李建群刘乐
Owner 湖南东永化工有限责任公司
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