Mixed herbicide

A technology of herbicides and emulsifiers, applied in the direction of herbicides, algicides, biocides, biocides, etc., to achieve the effect of improving the control effect and expanding the herbicide spectrum

Inactive Publication Date: 2006-09-06
周保东 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Gramineae weeds, broad-leaved weeds and sedge weeds in cornfields are more serious at present. Can we develop a pest...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Weigh each component according to the ratio of nicosulfuron-methyl 40%, metolachlor 40%, phenyl biphenol polyvinyl ether 10%, and xylene 10%, then put them into the reaction kettle for shearing and stirring, and then Filtration, detection and filling can be completed.

[0013] When using, blend water at 60-80 grams per mu, and then spray.

Embodiment 2

[0015] According to the ratio of nicosulfuron 3%, metolachlor 77%, phenethylphenol ethoxylate 5%, and xylene 15%, each component was weighed, and the rest of the steps were the same as in Example 1.

Embodiment 3

[0017] According to the ratio of nicosulfuron 10%, metolachlor 70%, sodium alkylbenzene sulfonate 15%, and xylene 5%, the components were weighed, and the rest of the steps were the same as in Example 1.

[0018] In addition, the emulsifier can also choose non-ionic surfactants such as styrene ethylphenol polyoxyethylene polyoxypropylene ether, nonylphenol polyoxyethylene ether or alkylphenol polyoxyethylene ether formaldehyde condensate, or C8- Anionic surfactants such as C20 sodium alkyl sulfate or styrene polyvinyl nitrogen ether sulfate.

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PUM

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Abstract

The invention discloses a mixed herbicide comprising the following constituents: nicosulfuron 3-50%, S-metolachlor 10-77%, emulsifying agent 5-15%, and balancing dimethylbenzene. The invention can realize a prevention and curing effect of over 96%.

Description

technical field [0001] The present invention relates to a herbicide. Background technique [0002] Nicosulfuron is a corn herbicide, and its low-dose post-emergent application can effectively control broad-leaved weeds and Cyperaceae weeds in corn fields. Weeds stop growing immediately after application, and the new leaves fade and die within 4-5 days, and gradually spread to the whole plant. Under normal conditions, the plants die 20-25 days after treatment. Corn has good resistance to this drug, and after treatment, it will appear temporary chlorosis or slight growth retardation, but generally it can recover quickly without reducing yield. [0003] Metolachlor is a selective pre-emergence herbicide, which has good control effect on annual grass weeds. [0004] Gramineae weeds, broad-leaved weeds and sedge weeds in cornfields are more serious at present. Can we develop a pesticide that can prevent and control grass weeds and broad-leaf weeds, and become a new method for w...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N37/22A01N25/30
Inventor 周保东孙文国
Owner 周保东
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