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Weedicide for rice paddy fields

A technology for paddy fields and herbicides, applied in the directions of herbicides, algaecides, biocides, biocides, etc., can solve the problems of slow weeding speed, improve the herbicidal effect, overcome the resistance of weeds, and be beneficial to agriculture The effect of comprehensive management

Active Publication Date: 2014-04-02
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The weeding speed of the chemical is relatively slow, and the growth of weeds can be inhibited after application, but it must die after 2 weeks

Method used

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  • Weedicide for rice paddy fields
  • Weedicide for rice paddy fields
  • Weedicide for rice paddy fields

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019]

[0020] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 30% cyhalofop-saflufenacil-pyrazone wettable powder.

Embodiment 2

[0022]

[0023] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare 20% cyhalofop-saflufenacil-pyraflumezone suspension concentrate.

Embodiment 3

[0025]

[0026] Dry pulverize, granulate, dry, and sieve the above formula according to the proportion to prepare 60% cyhalofop-saflufenacil-pyraflumezone water-dispersible granules.

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PUM

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Abstract

The invention discloses a weedicide for rice paddy fields, of which the effective components are cyhalofop-butyl, pyribenzoxim and carfentrazone-ethyl. The weedicide is composed of the following components in percentage by weight: 1-30% of cyhalofop-butyl, 1-20% of pyribenzoxim, 1-10% of carfentrazone-ethyl and the balance of pesticide adjuvant. The weedicide is suitable for preventing and removing annual weed in rice paddy fields, has obviously better preventing and removing effects than a single agent, and has the advantages of wide weeding spectrum, higher actual effect, lower drug resistance for weed, time saving, labor saving and the like.

Description

technical field [0001] The invention relates to a paddy field herbicide, the active ingredients of which are cyhalofop-ethyl, saflufenacil and mefentrazone. Background technique [0002] Chemical method of weeding is one of the main means of controlling weeds in paddy fields. Weeds in paddy fields have complex grass phases, grass weeds, broad-leaved weeds, sedges and other weeds are mixed, and the use of a single herbicide cannot solve the weeds in paddy fields, and all of them will show some defects and limitations. Through the scientific mixing of different types of herbicides, it has the advantages of improving the weeding spectrum, improving the actual effect, and saving time and labor. [0003] Cyhalofop-ethyl is a variety of aryloxyphenoxypropionic acid herbicides with high safety to rice. Cyhalofop-ethyl is also a systemic conductive herbicide, which is absorbed by the leaves and leaf sheaths of plants, conducts in the phloem, accumulates in the meristem area of ​​...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01P13/00A01N39/04A01N43/54
Inventor 陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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