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Herbicide composition including penoxsulam and ethoxysulfuron

A technology of penoxsulam and ethoxysulfuron-methyl, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problems of poor effect, increased use of resistance, broad-leaved Weeds, sedges and other problems are not ideal, to reduce the cost of pesticides, improve the effect of weeding, overcome the effect of weed resistance in rice

Inactive Publication Date: 2012-11-28
SHANDONG BINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In actual use, penoxsulam has special effects on barnyardgrass and chinensis in paddy fields, but it is not very effective on some broad-leaved weeds and sedges; as a sulfonylurea Rice-like herbicide, which has a good control effect on broad-leaved and sedge, but due to the problem of resistance, the amount of use is increasing year by year, and the effect on gramineous weeds such as barnyardgrass and sedge, etc. is not good

Method used

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  • Herbicide composition including penoxsulam and ethoxysulfuron
  • Herbicide composition including penoxsulam and ethoxysulfuron
  • Herbicide composition including penoxsulam and ethoxysulfuron

Examples

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Effect test

Embodiment 1

[0023] Weigh 35% penoxsulam, 18% etoxysulfuron-methyl, 3% sodium dodecylbenzenesulfonate, 6% lignosulfonate, 3% carboxymethylcellulose, kaolin and add to 100% parts by weight. The above-mentioned raw materials are pre-mixed, air-jet milled and post-mixed through conventional methods for preparing wettable powders to obtain the 53% penoxsulam·ethoxysulfuron-methyl wettable powder.

Embodiment 2

[0025] Weigh 8% penoxsulam, 7% ethoxysulfuron-methyl, 5% alkyl naphthalene sulfonate sodium formaldehyde condensate, 3% alkylphenol polyoxyethylene ammonium sulfonate, 5% white carbon black, diatom Soil is added to 100% by weight. The above raw materials are pre-mixed, air-jet milled, and post-mixed by conventional methods for preparing wettable powders to obtain the 15% penoxsulam·ethoxysulfuron-methyl wettable powder.

Embodiment 3

[0027] Weigh 15% penoxsulam, 55% ethimethuron-methyl, 5% TERSPERSE2700, 3% alkylnaphthalenesulfonic acid formaldehyde condensate, 4% sodium dibutylnaphthalenesulfonate, 4% dodecylsulfuric acid Sodium, 3% white carbon black, 5% ammonium sulfate, and diatomaceous earth are added to the parts by weight. The 70% penoxsulam·ethoxysulfuron-methyl water-dispersible granule can be obtained by subjecting the above raw materials to the conventional method for preparing water-dispersible granules, ie mixing, ultra-micro airflow pulverization, mixing and granulating.

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Abstract

The invention relates to a herbicide composition for preventing and eradicating weeds in farmlands and applications thereof, and particularly relates to a herbicide which is used for preventing and eradicating gramineae weeds, broadleaf weeds and cyperaceae weeds in rice fields. The herbicide composition is a binary herbicide mixture employing penoxsulam and ethoxysulfuron as active ingredients, wherein the weight ratio of penoxsulam to ethoxysulfuron is 1:20-30:1. The herbicide composition can be made into any preparation allowable in agriculture. The herbicide composition is used for preventing and eradicating weeds in the rice fields, has reasonable components, with the prevention effect being superior to the activity of each component applied separately, enlarges weed preventing and eradicating spectrum, reduces preventing and eradicating cost, slows down the generation of weed resistance, has good security for crops, and fits to the security requirement of pesticide preparations.

Description

【Technical field】 [0001] The present invention relates to a herbicide composition for preventing and treating weeds in paddy fields, in particular to a herbicide for preventing and treating gramineous weeds, broad-leaved weeds and sedge weeds in paddy fields, which is composed of pentafluoro A binary herbicide composition with sulcolam and ethoxysulfuron as active ingredients. 【Background technique】 [0002] Rice is one of the main crops in my country. With the continuous expansion of its planting area, rice field weed damage is also increasing day by day in the expanding production, and the damage is also becoming more and more serious. Whether it can effectively control the weed damage in rice and stabilize the high yield of rice is also an issue. It has become one of the main subjects of modern agricultural herbicide research. In recent years, rational selection of herbicides in paddy fields has become an important technical link to ensure safe production of rice. However...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/90A01P13/00
Inventor 黄延昌徐家俊张玉瑞吴艳芳徐磊刘增洪
Owner SHANDONG BINNONG TECH
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