Corn field weeding composition and use method thereof

A herbicidal composition and cornfield technology, applied in the field of pesticide weeding, can solve the problems of inhibited plant growth, improper use of medication, crop phytotoxicity, etc., and achieve the effects of promoting corn growth, crop safety, and eliminating phytotoxicity

Inactive Publication Date: 2016-08-24
哈尔滨利民农化技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the medicine is used improperly, it will cause phytotoxicity to the crops, the

Method used

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  • Corn field weeding composition and use method thereof
  • Corn field weeding composition and use method thereof
  • Corn field weeding composition and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0010] Specific embodiment 1: The corn field herbicidal composition of the present embodiment is composed of amfentrazone, isoxaflutole, safener and auxiliary agents; wherein the weight percentage of amfenflumele is 1% to 50%, and isoxaflutole The weight percentage of fenflumezone is 1% to 20%, the weight percentage of the safener is 1% to 20%, and the rest are auxiliary agents; the safener is composed of isoxadifen and cyclanesulfonamide in a mass ratio of 1 : (0.3 ~ 3) mixed in proportion.

specific Embodiment approach 2

[0011] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the cornfield herbicide composition is water dispersible granule, wettable powder, suspension concentrate or dispersible oil suspension concentrate. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0012] Specific embodiment three: the difference between this embodiment and specific embodiment two is that: in the corn field herbicidal composition of water dispersible granule formulation, the auxiliary agent consists of 1%~10% dispersant, 1%~10% Composition of wetting agent, 0-5% disintegrant, 0-5% binder and 70%-98% filler; the dispersant is polycarboxylate, lignin sulfonate, alkyl naphthalene sulfonate salt, alkylphenol polyoxyethylene ether, EO / PO block polyether or a combination of several of them; the wetting agent is alkyl sulfate, alkyl sulfonate, naphthalene sulfonate, wood One or a combination of sodium sulfonate, fatty alcohol polyoxyethylene ether, and alkylphenol polyoxyethylene ether; the disintegrant is ammonium sulfate, sodium sulfate, sodium chloride, ammonium chloride, urea, Sucrose, glucose, carboxymethyl cellulose, soluble starch, polyvinylpyrrolidone or a combination of several of them; the binder is polyvinyl alcohol, soluble starch, dextrin, xanthan ...

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Abstract

A cornfield herbicide composition and its application method, the invention relates to pesticide herbicide technology. The invention aims to solve the technical problem that isoxaflutole easily causes phytotoxicity to crops. The cornfield herbicidal composition of the present invention is composed of amfenflutole, isoxaflutole, safener and auxiliary agents; wherein the weight percentage of amfenflutole is 1% to 50%, and the weight percentage of isoxaflutole is 1% to 20%, the weight percentage of safener is 1% to 20%, and the rest are auxiliary agents; the safener is composed of isoxadifen and cyclanesulfonamide in a mass ratio of 1:(0.3~3) The ratio is mixed. The corn field herbicide composition of the present invention is used in the method of spraying corn stems and leaves after seedlings. After 30 days of application, the medicine in the soil is completely degraded and can promote the growth of corn.

Description

technical field [0001] The invention belongs to the technical field of pesticide weeding. Background technique [0002] Isoxaflutole is an isoxazole herbicide discovered by Rhone-Planck in 1992 and now produced and sold by Bayer Crop Science. It is a p-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor. It has soil activity and early post-emergence herbicidal activity on stems and leaves. It is widely used in crops such as corn, sugarcane and sugar beet. Kochia, amaranth, barnyardgrass, foxtail, purslane and so on. Field tests have proved that isoxaflutole has a unique "recharging" effect, that is, its herbicidal activity can still be stimulated after rain. Isoxaflutole reduces the requirement of weather conditions for application, which gives it a competitive advantage over other herbicides. However, if the medicine is used improperly, it will cause phytotoxicity to the crops, the growth of the plants will be inhibited, and the leaves will turn yellow and lose chlorosis....

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N43/80A01N25/32A01P13/00
CPCA01N47/38A01N25/32A01N43/80
Inventor 张文华边疆郑全军李艳华高峰赵晓宇张洪杰刘勇李新新
Owner 哈尔滨利民农化技术有限公司
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