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Herbicidal composition containing 2,4-dichlorophenoxybutyric acid and derivative

A technology of diclofenac and herbicides, applied in the field of pesticides, can solve the problems of grasses being ineffective, etc., and achieve the effects of fast weeding speed, good synergistic effect, and wide herbicidal spectrum

Inactive Publication Date: 2015-03-11
WEIFANG CYNDA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2,4-Dichlorophenoxybutyric acid and its derivatives (A) are phenoxycarboxylic acid growth hormone herbicides, which can effectively control most annual or perennial broad-leaved weeds, and can also effectively control Various sedges, ineffective against grasses
The use of 2,4-dichlorophenoxybutyric acid and its derivative mixture as a herbicide in paddy fields has not yet been disclosed

Method used

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  • Herbicidal composition containing 2,4-dichlorophenoxybutyric acid and derivative
  • Herbicidal composition containing 2,4-dichlorophenoxybutyric acid and derivative
  • Herbicidal composition containing 2,4-dichlorophenoxybutyric acid and derivative

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0050] Example 1: 60% EC

[0051] Active ingredient: Butachlor (B1-4) 20%;

[0052] Active ingredient: Compound 3 40%;

[0053] Emulsifier: Calcium Lauryl Sulfonate 9%;

[0054] Emulsifier: nonylphenol ethoxylate 9%;

[0055] Xylene balance.

example 2

[0056] Example 2: 60% EC

[0057] Active ingredient: Compound 6 40%;

[0058] Active ingredient: oxadiazone (B10-1) 10%;

[0059] Active ingredient: pretilachlor (B1-3) 10%;

[0060] Emulsifier: Calcium Lauryl Sulfonate 9%;

[0061] Emulsifier: nonylphenol ethoxylate 9%;

[0062] Tetraphenyl balance.

example 3

[0063] Example 3: 45% wettable powder

[0064] Active ingredient: propargyl oxadiazone (B10-2) 5%;

[0065] Active ingredient: Compound 1 40%;

[0066] Wetting agent: NNO 11%;

[0067] Dispersant: sodium lignosulfonate 9%;

[0068] Kaolin balance.

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Abstract

The invention relates to the technical field of pesticides and especially discloses a herbicidal composition containing 2,4-dichlorophenoxybutyric acid and its derivative. The herbicidal composition containing 2,4-dichlorophenoxybutyric acid and its derivative is characterized in that the herbicidal composition contains an active component A and an active component B, wherein weight ratio of the active component A to the active component B is 1-100:100-1. The general formula of the active component A is as shown in the specification. In the general formula, R is selected from hydrogen or methyl, ethyl, propyl, butyl and 2-ethylhexyl, and M is selected from sodion, potassium ion, ammonium ion, dimethylamine ion and isopropylamine ion. The herbicidal composition provided by the invention has wide weed control spectrum, can be used to control gramineous weeds, broadleaved weeds and nutgrass flatsedge, can have a good synergistic effect and has obvious synergism in comparison with a single dosage.

Description

(1) Technical field [0001] The invention relates to the technical field of pesticides, in particular to a herbicide composition containing 2,4-dichlorophenoxybutyric acid and derivatives thereof. (2) Background technology [0002] Rice is one of the main food crops in the world. Nearly half of the world's population feeds on rice, and its production covers all continents except Antarctica. Rice is also the main food crop in my country. The rice planting area in my country accounts for 1 / 4 of the food crop planting area, with an area of ​​35 million hectares, and the output accounts for more than half. Regardless of the planting area and output, it ranks first in my country's food crops. [0003] There are many kinds of weeds in paddy fields. According to statistics, there are more than 200 kinds of weeds that can cause weed damage, and among them, there are more than 20 kinds that are the most common and most harmful. The main weeds are barnyardgrass, Qianjinzi, crabgr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N39/02A01N43/824A01N43/54A01N39/04A01N47/36A01N43/42A01N43/76A01N43/80A01N43/86A01N43/88A01P13/00A01N37/26A01N37/22
Inventor 王强张天柱宋鹏陈恩昌王现全
Owner WEIFANG CYNDA CHEM
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