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Safe weeding composition containing mesosulfuron-methyl

A herbicidal composition, methyldisulfuron-methyl technology, applied in herbicides and algicides, biocides, animal repellants, etc., can solve problems such as crop phytotoxicity, reputation impact of manufacturers, farmers' losses, etc.

Pending Publication Date: 2020-10-30
青岛恒宁生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, methylsulfuron-methyl has relatively high requirements on pesticide application technology. It cannot be applied after wheat jointing or plant height is 13cm. The safety interval between pesticide application and subsequent crops is as long as 90 days. Farmers have caused irreparable losses, and it has also seriously affected the reputation of manufacturers

Method used

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  • Safe weeding composition containing mesosulfuron-methyl
  • Safe weeding composition containing mesosulfuron-methyl
  • Safe weeding composition containing mesosulfuron-methyl

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0033] Preparation Example 1: 3% Mesosulfuron-methyl Dispersible Oil Suspension Concentrate (The mass ratio of Mesosulfuron-methyl to 5-aminolevulinic acid is 1:5)

[0034] Formula: 3% methylsulfuron-methyl, 15% 5-aminolevulinic acid, 6% sodium lignosulfonate, 5% Nongru 1601#, 3% Tween-60#, 4% Nongru 2201, 4% Sodium naphthalenesulfonate, 1% magnesium aluminum silicate, 4% glycerin, rapeseed oil make up the balance;

[0035] Preparation method: according to the formula ratio, put methylsulfuron-methyl, 5-aminolevulinic acid, surfactant and other functional additives in the reaction kettle in sequence, add oil and mix evenly, high-speed shearing, wet sanding , and finally obtain the product by homogeneous filtration.

preparation example 2

[0036] Preparation example 2: 3% methylsulfuron-methyl suspension concentrate (mass ratio of methylsulfuron-methyl to 5-aminolevulinic acid is 1:10)

[0037] Formula: 3% methylsulfuron, 30% 5-aminolevulinic acid, 2% sodium alkyl sulfate, 3% alkylphenol formaldehyde resin polyoxyethylene ether, 0.4% carboxymethyl cellulose, 5% propylene glycol, 0.2% isothiazolinone and deionized water make up the balance;

[0038] Preparation method: according to the formula ratio, put methylsulfuron-methyl, 5-aminolevulinic acid, surfactant and other functional additives in the reaction kettle in sequence, add water and mix evenly, high-speed shearing, wet sanding , and finally homogeneously filtered to obtain the suspension concentrate product.

preparation example 3

[0039] Preparation example 3: 3% Mesosulfuron-methyl wettable powder (mass ratio of Mesosulfuron-methyl to 5-aminolevulinic acid is 1:15)

[0040] Formula: 3% methylsulfuron methyl, 45% 5-aminolevulinic acid, 5% calcium sulfonate of alkylnaphthalene formaldehyde condensate, 6% sodium alkylphenol polyoxyethylene ether sulfonate, 3% alkylnaphthalene Sodium sulfonate, 5% talc, diatomaceous earth make up the balance;

[0041] Preparation method: according to the proportion of the formula in the example, add methylsulfuron-methyl and 5-aminolevulinic acid into the carrier, and add surfactant and other functional additives, mix, and then mix after jet crushing A wettable powder is prepared.

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Abstract

The invention discloses a weeding composition for improving the safety of mesosulfuron-methyl. The weeding composition comprises effective components mesosulfuron-methyl and a safener 5-aminolevulinicacid, and the weight ratio of mesosulfuron-methyl to 5-aminolevulinic acid is 1: 1-1: 100. 5-aminolevulinic acid is added into the weeding composition, so that the safety of mesosulfuron-methyl to crops is improved, and phytotoxicity is reduced.

Description

technical field [0001] The invention relates to a herbicidal composition for preventing and controlling weeds in wheat fields, in particular to a safe herbicidal composition containing methylsulfuron-methyl. Background technique [0002] Sulfonylurea herbicides are one of the most important herbicides in the world. Mesosulfuron-methyl is a sulfonylurea herbicide developed by Bayer AG in 2002. Methsulfuron-methyl is mainly absorbed through the stems and leaves of plants, conducted through the phloem and xylem, and a small amount is absorbed through the soil, inhibiting the activity of acetolactate synthase in sensitive plants, resulting in blocked branched-chain amino acid synthesis, thereby inhibiting cell division and causing sensitivity Plants die. Its control targets are mainly annual gramineous weeds such as A. chinensis, wild oats, bluegrass, brome, and barley. Under normal circumstances, the absorption of sensitive weeds reaches the peak 2-4 hours after spraying and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N25/32A01P13/00
CPCA01N47/36A01N25/32
Inventor 孙名帅葛家成张威李健熊风赵月超
Owner 青岛恒宁生物科技有限公司
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