Application of weeding composition in prevention and control of germination or growth of plants undesired in wheat field

A herbicide composition and plant technology, applied in the field of agriculture, can solve the problems of a single herbicide with a single mode of action and a short duration of action

Inactive Publication Date: 2017-06-13
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continued use of many herbicide varieties on a large scale, many problems have arisen, such as the problem of weed resistance, especially the problem of resistance to older weeds is particularly prominent; Short validity period etc.

Method used

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  • Application of weeding composition in prevention and control of germination or growth of plants undesired in wheat field
  • Application of weeding composition in prevention and control of germination or growth of plants undesired in wheat field
  • Application of weeding composition in prevention and control of germination or growth of plants undesired in wheat field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] Example 1 15% Pendimethalin + 10% Oxadiazone WP

[0080] The formula is composed of: pendimethalin 15%, oxadiazone 10%, naphthalene sulfonate formaldehyde condensate sodium salt 5%, alkylphenol polyoxyethylene ether phosphate 3%, kaolin remainder;

[0081] The preparation method is as follows: weighing the above-mentioned components in the formula amount, mixing, grinding and pulverizing them to obtain wettable powder.

Embodiment 2

[0082] Example 2 25% Pendimethalin+10% Oxadiazone WP

[0083] The formula is composed of: pendimethalin 25%, oxadiazone 10%, fatty alcohol polyoxyethylene ether sodium sulfate 4%, trisiloxane polyoxyethylene ether 4%, and the balance of bentonite;

[0084] The preparation method is as follows: weighing the above-mentioned components in the formula amount, mixing, grinding and pulverizing them to obtain wettable powder.

Embodiment 3

[0085] Example 3 10% Pendimethalin+5% Oxadiazone Water Emulsion

[0086] The formula is composed of: pendimethalin 10%, oxadiazone 5%, N-methylpyrrolidone 20%, phenylethylphenol polyoxyethylene polyoxypropylene ether 5%, ethylene glycol 5%, propylene glycol 5%, water margin;

[0087] The preparation method is as follows: add pendimethalin, oxadiazone, solvent, emulsifier, etc. to dissolve into a uniform oil phase; mix antifreeze, defoamer, water, etc. together to form a uniform water phase. Under high-speed stirring, add the oil phase to the water phase to obtain a water emulsion.

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PUM

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Abstract

The invention relates to application of a weeding composition containing pendimethalin and oxadiazon in prevention and control of plants undesired in wheat crops, in particular application in prevention and control of germination or growth of Alopecurus japonicas steud., Vicia sativa L., Malachium aquaticum(L.)Fries., Lolium perenne L., Polypogon and Capsella bursa pastoris, wherein the ratio of pendimethalin to oxadiazon is (1.5-5.5) to 1 preferably, is (2-5) to 1 further preferably and is (2-4) to 1 more preferably.

Description

technical field [0001] The invention relates to the field of agriculture, in particular to an application of a herbicidal composition to prevent and control germination or growth of undesired plants in a wheat field. Background technique [0002] Weeds in farmland can deteriorate the ecological environment of crops, reduce crop yield and quality, and affect the health of humans and animals. [0003] Wheat belongs to upland crops, and the weeds in wheat fields are mainly upland weeds. The current physical measures for wheat field weeds are: [0004] -Crop rotation Different crops have different associated weeds or parasitic weeds. These weeds have the same or similar living environment as the crops. Taking scientific crop rotation and changing crops will change the external ecological environment conditions in which weeds live. Reduce the harm of weeds in wheat fields. [0005] -Deep plowing and land preparation, through deep plowing, weed seeds scattered on the soil surfa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/824A01N33/18A01P13/00
CPCA01N43/82A01N33/18A01N2300/00
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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