Rice field membrane system destruction herbicide safe to crops

A paddy field and herbicide technology, applied in the field of pesticides, can solve the problems of not wide herbicide spectrum, rice yield reduction, high cost of pesticides, etc., achieve obvious effect of spectrum expansion and synergy, speed up weeding, and improve safety

Inactive Publication Date: 2018-04-20
ANHUI YINONG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Using one herbicide alone has a poor herbicidal spectrum, can not control a variety of weeds, and the cost of pesticides is high
At present, many weeds have developed resistance to a single herbicide, coupled with long-term chemical weeding, many weeds in paddy fields have transformed into malignant weeds, seriously affecting the yield of rice, resulting in reduced rice yields, or even no harvest

Method used

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  • Rice field membrane system destruction herbicide safe to crops
  • Rice field membrane system destruction herbicide safe to crops
  • Rice field membrane system destruction herbicide safe to crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A wettable powder of a membrane system destroying herbicide safe for crops used in paddy fields, comprising the following components: 60% of cyhalofop-ethyl, 3% of cyprosulfuron-methyl, 5% of wetting agent, 8% of dispersing agent, filler margin.

[0016] The product specifications of this embodiment are prepared as follows:

[0017] technical indicators

Embodiment 2

[0019] A water-dispersible granule of a membrane system destroying herbicide safe for crops used in paddy fields, comprising the following components: 20% of cyhalofop-ethyl, 30% of cyprosulfuron-methyl, 4% of wetting agent, 7% of dispersing agent, Disintegrant 9%, binder 5%, filler balance.

[0020] The product specifications of this embodiment are prepared as follows:

[0021] technical indicators

Embodiment 3

[0023] A membrane system destroying herbicide oil suspension concentrate for paddy fields that is safe for crops, comprising the following components: 40% of cyhalofop-ethyl, 4% of ciprosulfuron-methyl, 7% of wetting agent, 5% of dispersing agent, Foaming agent 9%, binder 5%, filler balance.

[0024]

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PUM

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Abstract

Belonging to the technical field of pesticides, the invention relates to a herbicide, in particular to a herbicide prepared from cyhalofop-butyl and cyclosulfamuron, and the herbicide belongs to a membrane system destruction chemical herbicide for control of rice field weeds. The herbicide includes cyhalofop-butyl and cyclosulfamuron serving as active ingredients, a pesticide assistant and filler,and the active ingredients cyhalofop-butyl and cyclosulfamuron are in a mass ratio of 10:0.5-10:15. The herbicide provided by the invention adopts cyhalofop-butyl and cyclosulfamuron for compounding,has obvious spectrum-expanding and synergistic effects, also has high control effect on a variety of malignant weeds, has accelerated weeding speed, can obviously reduce the dosage, and therefore canimprove the environment and food safety, is conducive to reducing the cost and increasing production, and conforms to China's national conditions.

Description

technical field [0001] The invention relates to a herbicide, in particular to a herbicide prepared from cyhalofop-ethyl and cyprosulfuron-methyl, which belongs to chemical herbicides for preventing and eliminating weeds in paddy fields and membrane system damage, and belongs to the technical field of pesticides. Background technique [0002] Cyhalofop-butyl, the English common name is cyhalofop-butyl, the chemical name is (R)-2-[4-cyano-2-fluorophenoxy]phenoxy]butyl propionate or (R)-2- [4-(4-cyano-2-fluorophenoxy)phenoxy]butyl propionate, molecular formula C 20 h 20 FNO 4 . It is an aryloxyphenoxypropionic acid herbicide. Cyhalofop-ethyl is the only one of the aryloxyphenoxypropionic acid herbicides that is highly safe to rice. Like other varieties of this group, it is also a systemic conductive herbicide. Absorbed by the leaves and leaf sheaths of the plant, conducted by the phloem, and accumulated in the meristematic tissue area of ​​the plant, it resists acetyl-CoA ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N39/04A01P13/00
CPCA01N39/04A01N47/36
Inventor 徐益峰
Owner ANHUI YINONG CHEM
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