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Weeding composition

A herbicidal composition and plant technology are applied in the field of controlling undesired plant growth, which can solve the problems of short duration of effect and single action mode of a single herbicide, and can reduce the application amount, improve the control effect, and improve the 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

However, with the continued use of many herbicide varieties on a large scale, many problems have arisen, such as the problem of weed resistance, especially the problem of resistance to older weeds is particularly prominent; Issues such as short validity periods are also more prominent

Method used

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  • Weeding composition
  • Weeding composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0112] Example 1 60% Clorazosulfuron-methyl+6% Pendimethalin Suspending Concentrate

[0113] Clopyrazosulfuron 60%

[0114] Pendimethalin 6%

[0115] Sodium Oleoyl Methyl Taurate 10%

[0116] Sorbitan Fatty Acid Ester 5%

[0117] Bentonite 1%

[0118] Glycerol 5%

[0119] Water to make up to 100%

[0120] 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 of 60% closulfuron-methyl + 6% pendimethalin agent.

Embodiment 2

[0121] Example 2 2% Clorazosulfuron-methyl+10% Pendimethalin wettable powder

[0122] Clopyrazosulfuron 2%

[0123] Pendimethalin 10%

[0124] Sodium butyl naphthalene sulfonate 10%

[0125] Sodium dipolyoxyethylene lauryl ether phosphate 5%

[0126] Silica 10%

[0127] Kaolin supplemented to 100%

[0128] 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 2% chlorpyrazosulfuron-methyl + 10% pendimethalin is obtained.

Embodiment 3

[0129] Example 3 10% Clorazosulfuron-methyl+10% Pendimethalin wettable powder

[0130] Clopyrazosulfuron 10%

[0131] Pendimethalin 10%

[0132] Glycerin fatty acid polyoxyethylene ether 1%

[0133] Sodium lignosulfonate 2%

[0134] Silica make up to 100%

[0135] The active components, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultra-fine pulverizer, a wettable powder of 10% closulfuron-methyl + 10% pendimethalin is obtained.

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Abstract

The present invention provides a weeding composition. The weeding composition consists of the active ingredients of halosulfuron-methyl and pendimethalin. The weight ratio of the halosulfuron-methyl to the pendimethalin is (10:1)-(1:100). The present invention also relates to the use of the weeding composition in preventing and controlling the growth of undesirable plants of broadleaf weeds, cyperaceae weeds or gramineous weeds, particularly in the preventing and controlling the growth of the undesirable plants of echinolchloacrus-galli (ECHCG), leptochloa chinensis (LEFCH), and cyperus difformis L in grain crops. The present invention also provides a method for controlling and preventing the undesirable plants. The method enables the undesirable plants or growing site thereof to contact with the weeding composition at an effective weeding amount, or applies the weeding composition at the effective weeding amount to the soil or water to prevent the germination or growth of the undesirable 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] Halosulfuron-methyl (CAS NO. 100784-20-1) is a sulfonylurea herbicide. The pure product is a white powdery solid with a melting point of 17...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N33/18
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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