Paddy field weeding composition

A herbicide composition and paddy field technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., to reduce the dosage, overcome the resistance of weeds, and benefit the effect of comprehensive agricultural management

Inactive Publication Date: 2014-02-19
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is suitable for controlling broad-leaved weeds in a variety of crops; such as pig scorpion, Polygonum curliculus, purslane, black nightshade, field bindweed, Polygonum, amaranth, etc., and is ineffective against gramineous weeds

Method used

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  • Paddy field weeding composition
  • Paddy field weeding composition
  • Paddy field weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0017] Formulation implementation mode 1 (50% fluroxypyr, saflufenacil, and cyhalofop-ester suspension concentrate).

[0018]

[0019] 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 a 50% fluroxypyr-saflufenacil-cyhalofop-ester suspension concentrate.

Embodiment 2

[0020] Formulation Example 2 (25% fluroxypyr-saflufenacil-cyhalofop-methyl dispersible oil suspension concentrate).

[0021]

[0022] Dissolve the original drug, solvent, and emulsifier in the above formula into a uniform oil phase; mix under high-speed stirring to prepare 25% fluroxypyr-saflufenacil-cyhalofop-ester dispersible oil suspension concentrate.

Embodiment 3

[0023] Formulation Example 3 (35% fluroxypyr-saflufenacil-cyhalofop-methyl wettable powder).

[0024]

[0025] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 35% fluroxypyr-saflufenacil-cyhalofop-ester wettable powder.

[0026] Preparation Method Example 4 (25% fluroxypyr, saflufenacil, and cyhalofop-ester water-dispersible granules).

[0027]

[0028] Dry pulverize, granulate, dry and sieve the above formula in proportion to prepare 25% fluroxypyr-saflufenacil-cyhalofop-ester water-dispersible granules.

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Abstract

The invention discloses a paddy field weeding composition. The paddy field weeding composition contains the ingredients in percentage by weight: 1-30% of fluroxypyr, 1-10% of pyribenzoxim, 1-20% of cyhalofop-butyl and the balance of pesticide assistant, wherein fluroxypyr, pyribenzoxim and cyhalofop-butyl serve as effective ingredients of the composition. The weeding composition can be prepared into one of suspensions, oil suspensions, wettable powder and water-dispersible granules according to application needs and is applicable to the prevention and weeding of gramineae and broad-leaf weeds of a paddy field. According to the weeding composition disclosed by the invention, the paddy field weed preventing and weeding effect is obviously better than that of each single preparation; the weeding composition has the advantages that the weeding spectrum is broad, the actual effect is improved, the drug resistance of the weeds is delayed, time and labor are saved, and the like.

Description

technical field [0001] The invention relates to a paddy field herbicidal composition, which uses fluroxypyr, saflufenacil and cyhalofop-ester as active ingredients, and is used for preventing and treating gramineous and broad-leaved weeds in paddy fields. 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, a variety of weeds are mixed, and the use of a single herbicide can not solve the weeds in the farmland, which will show some defects and limitations. Mixing different types of herbicides has the advantages of broad herbicidal spectrum, improving the actual effect, delaying weed resistance, and saving time and labor. [0003] Fluroxypyr is a systemic conduction post-emergence herbicide, which is quickly absorbed by plants after treatmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01P13/00A01N43/40A01N39/04
Inventor 陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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