Herbicide for corn field

A herbicide, corn field technology, applied in the field of pesticides, can solve the problems of narrow herbicidal spectrum, inability to effectively control weeds in corn fields, etc., achieve the effects of difficult resistance, improve crop safety, and expand the herbicidal spectrum

Inactive Publication Date: 2015-10-21
赵志平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using one herbicide alone cannot effectively control the occurrence of weeds in cornfields, and weeds are likely to develop resistance after continuous application, and the herbicide spectrum is narrow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A cornfield herbicide, the active ingredient of the herbicide is composed of thifensulfuron-methyl, sulcotrione, and atrazine in a mass ratio of 5:10:15, and the wettable powder composition and mass percentage of the herbicide are: Thifensulfuron 5%, Sulcotrione 10%, Atrazine 15%, Sodium Lauryl Sulfate 5%, Sodium Lignosulfonate 10%, Kaolin 55%.

Embodiment 2

[0013] A cornfield herbicide, the active ingredient of the herbicide is composed of thifensulfuron-methyl and mesotrione-atrazine according to the mass ratio of 3:7:15, and the wettable powder composition and mass percentage of the herbicide are: Thifensulfuron-methyl 3%, Mesotrione 7%, Atrazine 15%, Sodium Dodecyl Benzene Sulfonate 10%, Sodium Alkyl Benzene Sulfonate 15%, Kaolin 55%.

Embodiment 3

[0015] A cornfield herbicide, the active ingredient of the herbicide is composed of thifensulfuron-methyl, mesotrione, and pendimethalin in a mass ratio of 5:10:20, and the composition and mass percentage of the wettable powder of the herbicide For: Thifensulfuron 5%, Mesotrione 10%, Pendimethalin 20%, Sodium Lauryl Sulfate 8%, Sodium Lignosulfonate 12%, Kaolin 50%.

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Abstract

The invention discloses a herbicide for a corn field. The effective components of the herbicide are composed of a component A, a component B and a component C in a mass ratio of 2-5: 5-10: 10-20, wherein the component A is thifensulfuron methyl, the component B is mesotrione or sulcotrione, and the component C is atrazine or pendimetalin. A wettable powder of the herbicide comprises, by mass, 25 to 35% of the effective components, 5 to 10% of a wetting agent and 10 to 15% of a dispersant, with the balance being a filling material. The herbicide for the corn field has partial synergistic effect on broad-leaf weeds and additive effect on gramineous weeds, is safe to corn, poses no influence on growth of corn, has improved prevention efficiency and broadened weed control spectrum, enables the usage amount of the effective components to be lowered, decreases cost for usage of the herbicide and reduces environmental pollution.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a cornfield herbicide. Background technique [0002] Corn is currently the main economic crop in my country. There are various kinds of weeds growing in cornfields, mainly annual and perennial grass weeds, annual broad-leaved weeds, and common ones are Cyperus rotundum, Commelina, Echinacea, Prickly vegetables, Wenjing, lettuce and so on. Single use of a herbicide cannot effectively control the occurrence of weeds in cornfields, and weeds are likely to develop resistance after continuous application, and the herbicide spectrum is narrow. Therefore, it is necessary to compound the components of different varieties to improve the weeding efficiency and expand the herbicidal spectrum. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a cornfield herbicide, which can improve the weeding efficiency, expand the herbi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N41/10A01N43/70A01N33/18
Inventor 赵志平
Owner 赵志平
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