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Weeding composition and weeding application thereof in rice paddy field

A herbicidal composition and composition technology, applied in the direction of application, herbicides and algicides, chemicals for biological control, etc., can solve the problems of narrow herbicidal spectrum, large amount of drugs, pesticide residues, etc., to achieve efficient control , improved control effect, less residue effect

Active Publication Date: 2010-12-29
HEFEI XINGYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although oxadiazone propargyl and flubisulfuron-methyl and one of oxyfluorfen, ethoxysulfuron, oxazicone and ciprosulfuron-methyl have herbicidal effects, when used alone, each drug The dosage is large, it is easy to produce pesticide residues, and the weeding spectrum is narrow, and it cannot have a good weeding effect on broad-leaved weeds, sedge weeds and some perennial weeds at the same time

Method used

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  • Weeding composition and weeding application thereof in rice paddy field
  • Weeding composition and weeding application thereof in rice paddy field
  • Weeding composition and weeding application thereof in rice paddy field

Examples

Experimental program
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Effect test

Embodiment 1

[0025] 80% propargyl clomazone, flupisulfuron-methyl, ethoxyfluorfen wettable powder weight ratio and preparation method of each component: propargyl clomazone 35%, flubisulfuron-methyl 20%, ethoxyfluorfen 25% grass ether, 3% carboxymethyl cellulose, 2% fatty alcohol polyoxyethylene ether sulfate, 15% kaolin. The materials are fully mixed under stirring conditions and crushed to a certain fineness. How to use it: 1. Apply pesticides before transplanting. In southern rice areas such as Sichuan, rice seedlings are transplanted in semi-arid fields, and rice seedlings are transplanted on ridged fields. They are often in a state where there is no water on the ridges and there is water in the furrows. The weeds of wet nature have a large amount of occurrence, mainly barnyard grass and cattle felt. 2 to 3 days before transplanting, spray with 5 grams (4 grams of active ingredient) and 20 to 30 liters of water per mu. 2. Large seedlings are transplanted to the field, the age of the s...

Embodiment 2

[0031] 45% oxadiazone propargyl, flupisulfuron-methyl, ethoxysulfuron-methyl EC weight ratio and preparation method: oxadiazone propargyl 15%, flupisulfuron-methyl 10%, ethoxysulfuron-methyl 20% , methanol: 10%, dimethyl sulfoxide: 10%, styrylphenol ethoxylate 15%, xylene make up 100%. Pour each material into the reaction kettle at one time, and make it fully mixed under stirring conditions. How to use it: 1. Apply pesticides before transplanting. In southern rice areas such as Sichuan, rice seedlings are transplanted in semi-arid fields, and rice seedlings are transplanted on ridged fields. They are often in a state where there is no water on the ridges and there is water in the furrows. Wet weeds have a large amount of occurrence, mainly barnyardgrass and cattle felt. 2 to 3 days before transplanting, spray with 10 ml (4.5 grams of active ingredient) and 20 to 30 liters of water per mu. 2. Large seedlings are transplanted to the field, the age of the seedlings is more than ...

Embodiment 3

[0036] 35% propargyl clomazone, flupisulfuron-methyl, oxaziclozone oil suspension by weight ratio and preparation method of each component: propargyl clomazone 15%, flupisulfuron-methyl 5%, oxaziclozone 15%, white carbon black 4%, alkylbenzene sulfonate 10%, alkylphenol polyoxyethylene ether formaldehyde condensate 5%, methyl oleate 51%. Put all the materials into the reaction kettle at one time, make them fully mixed under the condition of stirring, and use wet grinding to make the average particle size below 5 μm, so as to obtain the oil suspension. How to use it: 1. Apply pesticides before transplanting. In southern rice areas such as Sichuan, rice seedlings are transplanted in semi-arid fields, and rice seedlings are transplanted on ridged fields. They are often in a state where there is no water on the ridges and there is water in the furrows. The weeds of wet nature have a large amount of occurrence, mainly barnyard grass and cattle felt. 2 to 3 days before transplanting...

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Abstract

The invention relates to a weeding composition for a rice paddy field, comprising the following active components of: (a) oxadiargyl, (b) flucetosulfuron, (c) one or more herbicides selected from oxyfluorfen, ethoxysulfuron, oxaziclomefone and cyclopropyl sulfometuron methyl. The weeding composition enlarges a weeding chart of the rice paddy field, increases weeding effect, has little dosage, convenient use, no residue on rice and soil friendliness and sufficiently reflects a green environmental protection concept, and therefore, the weeding composition has a very wide market prospect.

Description

technical field [0001] The present invention relates to a herbicidal composition, especially propargyl oxadiazone and flubisulfuron-methyl and one or more of oxyfluorfen, ethoxysulfuron-methyl, oxazimidone and cyprosulfuron-methyl A compounded herbicidal composition and its herbicidal application in paddy fields. Background technique: [0002] The sustainable development of agriculture and rural areas is the fundamental guarantee for China's sustainable development. The protection of rural areas and the agricultural environment is an important part of sustainable development, and the production and use of pesticides must also meet the requirements of sustainable development strategies. Fundamentally ensuring the sustainable development of agriculture and rural areas is the main theme and direction of current researchers. [0003] Although oxadiazone propargyl and flubisulfuron-methyl and one of oxyfluorfen, ethoxysulfuron, oxazicone and ciprosulfuron-methyl have herbicidal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/824A01N33/22A01N43/86A01P13/00
Inventor 赵邦斌
Owner HEFEI XINGYU CHEM
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