Herbicide suspending agent containing pentoxazone and amidosulfuron

A technology of cyclopentazone and rimsulfuron-methyl, which is applied in the field of pesticides, can solve the problems of drug resistance of plant pathogens, unfavorable environmental sustainable development, and increased dosage of drugs, and achieve long-lasting drug properties, low cost, and The effect of reducing usage

Inactive Publication Date: 2015-02-25
JINAN CAVIN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] After the above two drugs are used alone for a long time, it is easy to cause the plant pathogens to develop drug resistance, resulting in problems such as increased dosage, reduced control effect, and shortened duration, which is not conducive to sustainable development of the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of herbicide suspension containing cyclopentazone and rimsulfuron-methyl of the present invention comprises by weight: 40 parts of cyclopentazone, 6 parts of rimsulfuron-methyl, 17 parts of dispersant, 4 parts of antifreeze , 1 part of thickener, 0.8 part of defoamer, 70 parts of water.

[0021] First mix other additives, mix evenly by high-speed shearing, add cyclopentazone and metazachlor, and grind the balls in a ball mill for 2-3 hours, so that the particle diameter is less than 5mm, and the herbicide is prepared suspending agent.

[0022] The dispersant is lignosulfonate.

[0023] The antifreeze ethylene glycol.

[0024] The thickener xanthan gum.

[0025] The defoamer is silicone oil.

[0026] The herbicide suspension concentrate is used for pre-emergence weeding of cereal crops.

[0027] The herbicide has a control rate of 93.6% for weeds in wheat fields, which is safe for crops and safe for subsequent crop corn.

Embodiment 2

[0029] A kind of herbicide suspension containing cyclopentazone and rimsulfuron-methyl of the present invention comprises by weight: 30 parts of cyclopentazone, 4.5 parts of rimsulfuron-methyl, 7 parts of dispersant, and 2 parts of antifreeze , 1 part of thickener, 0.5 part of defoamer, 60 parts of water.

[0030] First mix other additives, mix evenly by high-speed shearing, add cyclopentazone and metazachlor, and grind the balls in a ball mill for 2-3 hours, so that the particle diameter is less than 5mm, and the herbicide is prepared suspending agent.

[0031] The dispersant is lignosulfonate.

[0032] The antifreeze ethylene glycol.

[0033] The thickener xanthan gum.

[0034] The defoamer is silicone oil.

[0035] The herbicide suspension concentrate is used for pre-emergence weeding of cereal crops.

[0036] The herbicide has a control rate of 91.9% for weeds in cereal crops, and is safe for crops and subsequent crops without adverse effects.

Embodiment 3

[0038] A kind of herbicide suspension containing cyclopentazone and rimsulfuron-methyl of the present invention comprises by weight: 20 parts of cyclopentazone, 20 parts of rimsulfuron-methyl, 10 parts of dispersant, 3 parts of antifreeze , 1 part of thickener, 0.5 part of defoamer, 55 parts of water.

[0039] First mix other additives, mix evenly by high-speed shearing, add cyclopentazone and metazachlor, and grind the balls in a ball mill for 2-3 hours, so that the particle diameter is less than 5mm, and the herbicide is prepared suspending agent.

[0040] The dispersant is lignosulfonate.

[0041] The antifreeze ethylene glycol.

[0042] The thickener xanthan gum.

[0043] The defoamer is silicone oil.

[0044] The herbicide suspension concentrate is used for pre-emergence weeding of cereal crops.

[0045] The herbicide has a control rate of 54.8% for cereal crops weeds.

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PUM

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Abstract

The invention relates to a herbicide suspending agent containing pentoxazone and amidosulfuron. According to the herbicide disclosed by the invention, effective active ingredients, namely pentoxazone and amidosulfuron, are mixed with each other, so that the herbicide controlling spectrum is broad; the effective ingredients of the herbicide disclosed by the invention have a very good synergistic effect when the effective ingredients are matched in a certain range, the control effect is higher than that of single preparations, and the medicine property duration is long; the herbicide is extremely safe to cereal crops.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a herbicide suspension containing cyclopentazone and rimsulfuron-methyl. Background technique [0002] Cyclopentazone, chemical name 3-(4-Chloro-5-cyclopentyloxy-2-fluorophenyl)-5-isopropylene-1,3-oxazoline-2,4-dione , the structural formula , belonging to oxazolones, the pure product is a colorless, odorless powdery solid; melting point 104°C; density 1.418 (25°C); vapor pressure <1.11×10-5Pa (25°C). Partition coefficient LogP=0.67; solubility in water is 0.216 mg / l (25°C); stable to light, heat and acid, unstable to alkali. It is mainly used to control barnyard grass and annual weeds. Using p-fluorophenol as the starting material, through chlorination, esterification and nitration to obtain intermediate substituted nitrobenzene; through hydrolysis to obtain intermediate substituted phenol potassium salt; and then through etherification and reduction to obtain substituted anilin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N25/04A01P13/00A01N43/76
Inventor 迟宗磊藏伟功丁振洋
Owner JINAN CAVIN BIOTECH
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