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Herbicidal composition

A herbicidal composition, crop technology, applied in the directions of herbicides, algaecides, biocides, animal repellants, etc., can solve the problem that the herbicidal spectrum is not wide enough, the weed control effect is difficult to achieve the best, and the crop safety Insufficient and high problems, to achieve the effect of reducing the application amount

Inactive Publication Date: 2013-09-04
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that there are still some deficiencies in using promasulfuron-methyl alone as the active ingredient of herbicides, for example, the safety of crops is not high enough, the herbicidal spectrum is not wide enough, etc., which makes it difficult to achieve the best weed control effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] Example 1: 25% promethazine sulfuron-methyl + +1% pretilachlor oil suspension concentrate

[0098] Promazine Sulfuron 25%

[0099] Pretilachlor 1%

[0100] Sodium methyl naphthalene sulfonate formaldehyde condensate 10%

[0101] Bentonite 1%

[0102] Glycerol 5%

[0103] Corn oil makes up to 100%

[0104] Promazine sulfuron-methyl and sodium methyl naphthalene sulfonate formaldehyde condensate are ground and / or high-speed sheared to obtain promazine sulfuron-methyl oil suspension; mix pretilachlor and corn oil evenly to obtain pretilachlor Emulsifiable concentrate: The obtained pretilachlor emulsifiable concentrate is added to the promethazine sulfuron-methyl oil suspension to obtain 25% promethazine sulfuron-methyl+1% pretilachlor.

[0105]

Embodiment 2

[0106] Example 2 10% Promazine Suimesulfuron + 2% Pretilachlor Wettable Powder

[0107] Promazine Suimesulfuron 10%

[0108] Pretilachlor 2%

[0109] Sodium lauryl sulfate 10%

[0110] Sodium lignosulfonate 5%

[0111] White carbon black 10%

[0112] Kaolin fills up to 100%

[0113] The active ingredients, various additives and fillers are mixed according to the proportions of the formula, and then pulverized by an ultrafine grinder to obtain a wettable powder of 10% promethazine sulfuron-methyl + 2% pretilachlor.

[0114]

Embodiment 3

[0115] Example 3 1% promethazine sulfuron-methyl + 50% pretilachlor wettable powder

[0116] Promazine sulfuron-methyl 1%

[0117] Pretilachlor 50%

[0118] Calcium dodecylbenzene sulfonate 1%

[0119] Sodium lignosulfonate 2%

[0120] White carbon black makes up to 100%

[0121] The active ingredients, various additives and fillers are mixed according to the proportions of the formula, and then pulverized by an ultrafine grinder to obtain 1% promethazine + 50% pretilachlor wettable powder.

[0122]

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PUM

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Abstract

The invention relates to a herbicidal composition, and particularly relates to a herbicidal composition comprising propyrisulfuron and pretilachlor, and an application thereof and a corresponding weed control method. The herbicidal composition comprises active components of propyrisulfuron and pretilachlor, wherein a weight ratio of propyrisulfuron to pretilachloris 100 : 1-1 : 100. The herbicidal composition also can comprise a safety agent and is used for controlling grassy weeds, broad leaf weeds and cyperaceae weeds in the rice fields in crop growth environment. Compared with an individually used herbicide, the herbicidal composition compounded by the propyrisulfuron and pretilachlor enlarges herbicidal spectrum and significantly enhances a weed control effect because propyrisulfuron has control capability for weeds having resistance to known sulfonylurea herbicides and binary compound of the two herbicides allows the herbicidal composition to have an enhanced effect.

Description

Technical field [0001] The present invention involves a weeding composition, especially for a weeded composition containing pyrodiamia sulfon and propyramine, and its use, as well as the corresponding weed removal method. Background technique [0002] At present, in order to improve the growth quality of crops, the industry is constantly committed to the development of herbicides with high grass scores, low toxicity, low residues, and selected crops in the industry.In the production environment of crops, long -term use of certain herbicides can cause certain weeds to resist to the corresponding drugs.So far, many species of sulfonyl cricket -like compounds are actually used in rice fields. It is usually widely used in forms of composite preparations. The preparation contains two or more active ingredients and for preventing all kinds of as weeds to prevent the effects of grasses.Herumotic weed killing agent.However, in recent years, weeds that have resistant to sulfonic herbicide...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N25/32A01P13/00A01N37/22
Inventor 范文忠刘建华刘学军陈绍娥吴一凡刘智忠冯秀珍谭瑞成殷爱云罗昌炎
Owner JIANGSU ROTAM CHEM
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