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, prominent weed resistance, damage and the like, and achieve the reduction of application amount, the improvement of control effect, and the improvement of compatibility. Effect

Inactive Publication Date: 2017-06-13
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, with the continued 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 and other herbicides is more prominent , and the resistance of Cype

Method used

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  • Weeding composition
  • Weeding composition
  • Weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0121] Example 1 6% Clorazosulfuron-methyl+60% Oxadiazone Suspension Concentrate

[0122]

[0123]

[0124] 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% oxadiazone .

Embodiment 2

[0125] Example 2 10% Clorazosulfuron-methyl+40% Oxadiazone WP

[0126]

[0127] The active components, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultrafine pulverizer, a wettable powder of 10% chlorpyrazosulfuron-methyl+40% oxadiazone is obtained.

Embodiment 3

[0128] Example 3 10% Clorazosulfuron-methyl+10% Oxadiazone WP

[0129]

[0130]

[0131] The active components, various auxiliary agents and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine pulverizer, a wettable powder of 10% chlorpyrazosulfuron-methyl+10% oxadiazone is obtained.

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Abstract

The invention provides a weeding composition. Active components of the weeding composition consist of halosulfuron-methyl and oxadiazon; the weight ratio of the halosulfuron-methyl to the oxadiazon is 1:1 to 1:100. The invention also relates to the application of the weeding composition to prevention and control of the growth of undesired plants such as broadleaf weed, sedge weed or grassy weed, in particular to the application of the weeding composition to prevention and control of the growth of undesired plants such as echinolchloacrus-galli (ECHCG), leptochloa chinensis (LEFCH) and cyperus difformis L in cereal crops. The invention also provides a method for preventing and controlling the growth of the undesired plants. The method comprises the following steps: contacting the undesired plants or growth places thereof with the weeding composition with weeding effective quantity, or applying the weeding composition with weeding effective quantity to soil or water to prevent germination or growth of the undesired plant. The composition provided by the invention can remarkably improve the weeding effect and effectively control weed, avoids toxicity on crops, and improves the compatibility with the crops.

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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IPC IPC(8): A01N47/36A01N43/824A01P13/00
CPCA01N47/36A01N43/82A01N2300/00
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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