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Corn field herbicide composition containing 2,4-dichlorophenoxybutanoic and derivatives of 2,4-dichlorophenoxybutanoic

A technology of diclofenac and herbicide, applied in the field of pesticides, can solve the problem of low safety of corn, and achieve the effect of reducing the cost of pesticide application, good safety, and fast weeding speed

Inactive Publication Date: 2015-06-03
SHANDONG CYNDA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current herbicides for controlling broad-leaved weeds are very low in safety for corn, and they are basically sprayed in a directional way when used, and with the extensive use of the above-mentioned herbicides, the problem of weed resistance is becoming more and more serious; Mixed one-time solution to grass broadleaf weeds in cornfields has become an urgent need

Method used

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  • Corn field herbicide composition containing 2,4-dichlorophenoxybutanoic and derivatives of 2,4-dichlorophenoxybutanoic
  • Corn field herbicide composition containing 2,4-dichlorophenoxybutanoic and derivatives of 2,4-dichlorophenoxybutanoic
  • Corn field herbicide composition containing 2,4-dichlorophenoxybutanoic and derivatives of 2,4-dichlorophenoxybutanoic

Examples

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Effect test

Embodiment 1

[0044] A cornfield herbicide composition (EC) containing 2,4-dichlorophenoxybutyric acid and its derivatives, comprising:

[0045] Active ingredient: Butachlor (B1-4) 20%;

[0046] Active ingredient: Compound 3 40%;

[0047] Emulsifier: calcium dodecylbenzenesulfonate 9%;

[0048] Emulsifier: nonylphenol ethoxylate 9%;

[0049] Xylene Balance.

Embodiment 2

[0051] A cornfield herbicide composition (EC) containing 2,4-dichlorophenoxybutyric acid and its derivatives, comprising:

[0052] Active ingredient: Compound 6 40%;

[0053] Active ingredient: Promethachlor (B1-6) 20%;

[0054] Emulsifier: calcium dodecylbenzenesulfonate 9%;

[0055] Emulsifier: nonylphenol ethoxylate 9%;

[0056] Xylene Balance.

Embodiment 3

[0058] A cornfield herbicide composition (wettable powder) containing 2,4-dichlorophenoxybutyric acid and its derivatives, comprising:

[0059] Active ingredient: rimsulfuron-methyl (B2-1) 2%;

[0060] Active ingredient: Compound 1 40%;

[0061] Wetting agent: NNO 11%;

[0062] Dispersant: sodium lignosulfonate 9%;

[0063] Kaolin balance.

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Abstract

The invention relates to the field of herbicides, and especially discloses a cornfield compounded herbicide composition. The cornfield compounded herbicide composition comprises a component A and a component B according to a weight ratio of 1-500:500-1, wherein the component A is 2,4-DB and its derivatives, and the component B is one or more of nicosulfuron, rimsulfuron and foramsulfuron. The cornfield compounded herbicide composition has the advantages of cooperative and synergistic effect, weed control spectrum enlargement, weeding activity improvement, solving of the disadvantage of bad control effect of single dosage forms on main weeds, long persistent period, guarantee of no weed harms in the whole growth period after one time dosing, safety to corns, effective reduction of the drug application cost of peasants, and economic benefit increase.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a cornfield herbicide composition containing 2,4-dichlorophenoxybutyric acid and derivatives thereof. Background technique [0002] Maize is one of the main food crops in the world, and its production spreads across all continents except Antarctica. In my country, corn is also the main food crop. The planting area of ​​corn in my country accounts for 1 / 6 of the planting area of ​​food crops, and the area is about 300 million mu. [0003] There are many kinds of weeds in cornfields. According to statistics, there are more than 200 kinds of weeds that can cause weed damage. Among them, there are more than 20 kinds that are the most common and most harmful. The main weeds are barnyardgrass, goosegrass, crabgrass, foxtail, spinach, amaranth, amaranth, purslane, Cyperus rotundum and so on. [0004] At present, herbicides in corn field are mainly divided into pre-emergence herbici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N39/02A01P13/00A01N47/36A01N43/80A01N41/10A01N37/26
CPCA01N39/02A01N47/36A01N37/22A01N37/26A01N43/40A01N43/70
Inventor 王强张天柱宋鹏陈来成王现全
Owner SHANDONG CYNDA CHEM
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