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Composition containing MCPA-Na and cyclohexenone herbicide

A cyclohexenone, herbicide technology, applied in the directions of herbicides and algicides, applications, biocides, etc., to reduce potential threats, improve synergies, and reduce residues

Active Publication Date: 2016-02-24
HUNAN AGRI BIOTECH RES CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report about the herbicidal composition and application of 2-methyl-4-sodium chloride and cyclohexenone herbicides mixed at present

Method used

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  • Composition containing MCPA-Na and cyclohexenone herbicide
  • Composition containing MCPA-Na and cyclohexenone herbicide
  • Composition containing MCPA-Na and cyclohexenone herbicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: 45% sodium 2-methyl-4-chloride and clethodim wettable powder

[0031] The composition of the herbicide by mass percentage is 35% sodium 2-methyl-4-chloride, 10% clethodim, 2% sodium dodecylsulfonate (wetting agent), 5% sodium lignosulfonate (dispersant), White carbon black (filler) 10%, kaolin (filler) are added to 100%, fully mixed, and after being pulverized by an ultrafine pulverizer, 45% sodium 2-methyl-4-chloride and clethodim wettable powder are obtained.

[0032] This embodiment herbicide is applied to the control of annual gramineous weeds in the industrial hemp field: 45% sodium 2-methyl-4-chloride and clethodim WP are diluted with water at 476g.a.i / ha and sprayed; The control effect is 89.29%, and the fresh weight control effect is 91.43%; 750g.a.i / ha for 56% 2M 4 sodium chloride soluble powder, 105g.a.i / ha for 240g / L clethodim EC, respectively add water to dilute spray, medicine In the last 30 days, the plant control effects on total grasses were ...

Embodiment 2

[0033] Example 2: 30% Sodium Methochloride and Clethodim EC

[0034] The composition of the herbicide by mass percentage is 20% sodium 2-methyl-4-chloride, 10% clethodim, 5% calcium dodecylbenzenesulfonate (emulsifier, dispersant), 5% alkylphenol formaldehyde resin polyoxyethylene ether (Emulsifier, wetting agent) 5%, xylene added to 100%, mixed to a homogeneous liquid phase, that is, 30% sodium 2-methyl-4-chloride and clethodim emulsifiable concentrate.

[0035] This embodiment herbicide is applied to the control of annual gramineous weeds in the industrial hemp field: 30% sodium 2-methyl-4-chloride and clethodim EC are diluted with water at 476g.a.i / ha and sprayed, and the plant control effect on the total grass is 30 days after the medicine 90.48%, fresh weight control effect is 94.32%; 56% 2M 4 sodium chloride soluble powder presses 750g.a.i / ha, 240g / L clethodim emulsifiable oil presses 105g.a.i / ha, add water dilution spray respectively, after medicine, 30 The plant contr...

Embodiment 3

[0036] Embodiment 3: 45% sodium 2-methyl-4-chloride clethodim water-dispersible granules

[0037] Sodium 2-methyl-4-chloride 35%, clethodim 10%, 2-naphthalenesulfonic acid formaldehyde polymer sodium salt (dispersant NOO) 3%, sodium lignosulfonate (dispersant) 3%, dodecylsulfonic acid Sodium (wetting agent) 2%, magnesium aluminum silicate (disintegrating agent) 1%, diatomaceous earth (filling agent) are added to 100%, after mixing evenly, jet crushing into wettable powder, adding a certain amount of water and mixing The material is extruded, and then dried and sieved to obtain 45% sodium 2-methyl-4-chloride·clethodim water-dispersible granules.

[0038] This embodiment is applied to industrial hemp fields to prevent and control annual grass weeds: 45% 2-methyl-4-chlorsodium clethodim water-dispersible granules are diluted with water at 476g.a.i / ha and sprayed. Efficacy is 91.67%, fresh weight control effect is 91.73%; 56% 2M 4 sodium chloride soluble powder presses 750g.a.i / h...

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Abstract

The invention discloses a composition containing MCPA-Na and a cyclohexenone herbicide. The composition contains the effective ingredients of MCPA-Na and the cyclohexenone herbicide, wherein the mass ratio of MCPA-Na to the cyclohexenone herbicide is (1-10): (10:1); the preferential mass ratio of MCPA-Na to the cyclohexenone herbicide is (1-6): (6:1); the most preferential mass ratio of MCPA-Na to the cyclohexenone herbicide is (1-6): 1. The composition can adopt any one preparation formulation accepted by pesticides, and has a very good synergistic effect within a certain proportion range; compared with that of a single herbicide, the weeding effect of the composition is remarkably improved; meanwhile, the herbicide consumption and the cost are reduced, herbicide residues are reduced, and the potential threats of the pesticides to the environment are relieved.

Description

technical field [0001] The invention relates to the technical field of herbicides, in particular to a composition containing sodium 2-methyl-4-chloride and cyclohexenone herbicides and its use. Background technique [0002] Single use of a certain herbicide has been difficult to control the harm of a variety of mixed weeds. Therefore, the combination of herbicides, that is, mixing / mixing, has attracted more and more attention. Herbicide combination is an important means in the chemical control of weeds in farmland, and is widely used in crop fields such as rice, wheat, corn, cotton, soybean, and rapeseed. However, due to the selectivity and safety of herbicides, herbicide compositions are less used in hemp crop fields. The combination of three herbicides + clethodim has the control effect on weeds in flax field, which shows that the combination of herbicides can effectively control many kinds of weeds in flax field, such as A. It expands the herbicidal spectrum, improves ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N39/04A01P13/00A01N35/10
Inventor 柏连阳邬腊梅周小毛王立峰邓亚男刘佳李静波李祖任
Owner HUNAN AGRI BIOTECH RES CENT
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