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Weeding composition

A herbicidal composition and plant technology, applied in the field of controlling unwanted plant growth, can solve the problems of short duration, prominent weed resistance, perennial weed damage, etc., to reduce application amount, improve control effect, improve compatibility effect

Inactive Publication Date: 2017-05-24
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, with the continuous use of many herbicide varieties in large areas of rice fields, many problems have also arisen: (1) Weed resistance is outstanding, among which the resistance of barnyardgrass to propanil and butachlor is more prominent , and the resistance of Cyperaceae weeds to sulfonylurea herbicides has gradually emerged; (2) The damage of older weeds and perennial weeds has become an important problem, especially older barnyard grass and Cyperaceae perennial weeds. Not outstanding; (3) Herbicide varieties have a single effect and short duration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0122] Embodiment 1 6% chlorpyrazosulfuron-methyl+60% bentazone suspending agent

[0123] Clopyrazosulfuron 6%

[0124] Benedazone 60%

[0125] Sodium Oleoyl Methyl Taurate 10%

[0126] Sorbitan Fatty Acid Ester 5%

[0127] Bentonite 1%

[0128] Glycerol 5%

[0129] Water to make up to 100%

[0130] Mix the active components, dispersant, wetting agent and water according to the ratio of the formula, and grind and / or high-speed shear to obtain a suspension concentrate of 6% chlorpyrazosulfuron-methyl + 60% bentazone .

Embodiment 2

[0131] Example 2 2% Clorazosulfuron-methyl+10% Benazone wettable powder

[0132] Clopyrazosulfuron 2%

[0133] Benedazone 10%

[0134] Sodium butyl naphthalene sulfonate 10%

[0135] Sodium dipolyoxyethylene lauryl ether phosphate 5%

[0136] Silica 10%

[0137] Kaolin supplemented to 100%

[0138] The active components, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine grinder, a wettable powder of 2% chlorpyrazosulfuron-methyl + 10% bentazone is obtained.

Embodiment 3

[0139] Example 3 10% chlorpyrazosulfuron-methyl+10% bentazone wettable powder

[0140] Clopyrazosulfuron 10%

[0141] Benedazone 10%

[0142] Glycerin fatty acid polyoxyethylene ether 1%

[0143] Sodium lignosulfonate 2%

[0144] Silica make up to 100%

[0145] The active components, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultrafine grinder, a wettable powder of 10% chlorpyrazosulfuron-methyl + 10% bentazone is obtained.

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PUM

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Abstract

The invention provides a weeding composition. Active components of the weeding composition comprise halosulfuron-methyl and bentazone according to a weight ratio of 1:1 to 1:100. The invention also relates to a use of the weeding composition in the control of the growth of broadleaf weeds, cyperaceae weeds, grassy weeds and other unwanted plants, especially in the control of the growth of Echinolchloacrus-galli (ECHCG), Leptochloa chinensis (LEFCH), Cyperus difformis L and other unwanted plants. The invention also provides a method for controlling the growth of the unwanted plants. The method is characterized in that an effective weeding amount of the weeding composition is in contact with the unwanted plants or the growth place of the unwanted plants, or is applied to soil or water in order to prevent the germination or growth of the unwanted plants.

Description

Technical field [0001] The present invention belongs to the field of pesticides, and in particular relates to a herbicidal composition and a method for controlling undesirable plant growth. Background technique [0002] The world's food production suffers huge losses every year due to diseases, insect pests, and weeds. Crops are attacked by various weeds almost throughout the entire growing season. Weed damage is also a key factor restricting crop yields. Therefore, the prevention and control of agricultural weeds has always been the most concerned and important issue in agricultural production. [0003] Protecting crops from weeds and other vegetation that inhibits crop growth is an ongoing problem in agriculture. To address this problem, many chemicals and chemical agents to control weed growth are already in commercial use. [0004] Rice is one of the world's major food crops. Nearly half of the world's population, including almost the entire population of East and Sout...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/88
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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