A kind of herbicidal composition containing monosulfuron-methyl and chlorfenamide

A technology of monosulfuron-methyl and chlorfenapyr, which is applied in the directions of biocides, herbicides, algicides, biocides, etc. Development of herb resistance, high herbicidal activity, effect of reducing application dose

Inactive Publication Date: 2016-01-13
许亚萍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no relevant research on the compounding of monosulfuron-methyl and acetamide in China

Method used

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  • A kind of herbicidal composition containing monosulfuron-methyl and chlorfenamide
  • A kind of herbicidal composition containing monosulfuron-methyl and chlorfenamide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0020] Formulation Example 2 : 60% monosulfuron-methyl·chlorthachlor dispersible granules

[0021] Accurately weigh 50 kilograms of monosulfuron-methyl, 10 kilograms of chlorfenamide, add 5 kilograms of dialkylaryl sulfonate used as dispersant, 5 kilograms of nonylphenol polyoxyethylene ether used as wetting agent, 2 One kilogram of ammonium sulfate used as a disintegrating agent, 2 kilograms of polyvinyl alcohol used as a binder, and the balance made up to 100 kilograms with diatomaceous earth, after the above mixture is mixed evenly, an appropriate amount of water is added to granulate and dried to obtain The monosulfuron-methyl · acetamide dispersible granules with an active ingredient content of 60%.

Embodiment 3

[0022] Formulation Example 3 : 42% monosulfuron-methyl-hebacil herbicidal composition suspension concentrate.

[0023] Accurately weigh 40 kilograms of monosulfuron-methyl, 2 kilograms of chlorchloramide, add 3 kilograms of sodium naphthalenesulfonate formaldehyde condensate, 2 kilograms of alkylphenol polyoxyethylene ether (OP-10), 0.5 kilograms of Xanthan gum, 0.5 kg of sodium chloride used as antifreeze, and the balance made up to 100 kg with water. The above-mentioned metering components are mixed by a high-shear dispersing emulsifier, then ground by a four-stage series sand mill, and then blended in a blending kettle. Grass ammonium herbicide composition suspension concentrate.

Embodiment 4

[0024] Formulation Example 4 : 22% monosulfuron-methyl-hexachlor EC

[0025] Weigh 2% monosulfuron-methyl, 20% chlorpyramid, 5% Nongru 500#, 2% Nongru 400#, 3% Nongru 700#, 15% N-methylpyrrolidone, 5% clofenac-ethyl, Xylene was added to 100% by weight. The above-mentioned raw materials are mixed, stirred and dissolved completely to obtain 22% monosulfuron-methyl-ethanamide emulsifiable concentrate.

[0026] The indoor activity measurement test of above-mentioned different preparation embodiment

[0027] The co-toxicity coefficients of the above-mentioned preparation examples to common weeds in farmland were measured by indoor toxicity to prove the efficacy of the herbicidal composition of the present invention.

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Abstract

The invention discloses a weed killing composition containing monosulfuron and ethaprochlor. Monosulfuron and ethaprochlor can be compounded and made into any agriculturally-acceptable dosage form so as to control the weeds in agriculture. The weed killing composition can largely reduce the using amount of herbicide, delays the generation of drug resistance of weeds and the succession of weed colonies, and also has an important meaning on environment protection.

Description

technical field [0001] The invention belongs to the technical field of pesticides and herbicides, and in particular relates to a herbicidal composition containing monosulfuron-methyl and methacid. Background technique [0002] Hexachlor is an amide herbicide, which can be used to prevent and control annual grass weeds. It can be used to prevent and control the young shoots of annual weeds after crops are sown. It can also be used to treat stems and leaves. Absorbed by roots, can also be absorbed by germinating seeds to death. It is mainly used for weeding in rice seedling fields, and it can also be used for weeding in upland crops such as cotton, soybean, corn and rapeseed. [0003] Monosulfuron, whose trade name is Maiguning, is a new type of sulfonylurea herbicide. It is a pre-emergence and post-emergence systemic herbicide successfully developed by Nankai University. It inhibits acetolactate synthase (ALS) activity hinders the synthesis of branched-chain amino acids in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01P13/00A01N37/22
Inventor 许亚萍
Owner 许亚萍
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