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Weeding composition and application thereof

A technology of herbicidal composition and amide herbicide, which is applied in the direction of application, herbicide, algicide, biocide, etc., and can solve the problems of poor sealing effect on broad-leaved weeds

Inactive Publication Date: 2018-04-27
WEIFANG CYNDA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sealing effect on many broad-leaved weeds is poor, such as velvetleaf, cocklebur, etc.

Method used

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  • Weeding composition and application thereof
  • Weeding composition and application thereof
  • Weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Example 1: Preparation of a wettable powder of the herbicidal composition according to the invention with an active ingredient content of 46% by weight

[0062] Formula: 2 parts by weight of isoxaflutole, 19 parts by weight of atrazine, 25 parts by weight of acetochlor, 15 parts by weight of white carbon black, 6 parts by weight of sodium lignosulfonate, 3 parts by weight of sodium dodecylbenzenesulfonate Parts by weight, 3 parts by weight of sodium naphthalenesulfonate, 27 parts by weight of light calcium carbonate

[0063] The above raw materials are put into a mechanical pulverizer, and then pulverized by an air current to obtain the wettable powder.

Embodiment 2

[0066] Example 2: Preparation of an aqueous suspoemulsion of the herbicidal composition of the present invention with an active ingredient content of 38% by weight

[0067] Formula: 1 part by weight of isoxaflutole, 15 parts by weight of atrazine, 22 parts by weight of acetochlor, 5 parts by weight of sodium lignosulfonate (dispersant), 2 parts by weight of pull-off powder (wetting agent), 0.3 parts by weight of xanthan gum (thickener), 5 parts by weight of glycerol (antifreeze), 49.7 parts by weight of water

[0068] Put all the above-mentioned materials into the mixing tank, stir and mix, pass through the colloid mill, and then enter the third-stage sand mill of the sand mill, and finally cut evenly in the shearing machine to obtain the aqueous suspoemulsion.

Embodiment 3

[0071] Example 3: Preparation of a wettable powder of the herbicidal composition according to the invention with an active ingredient content of 67% by weight

[0072] Formula: 2 parts by weight of isoxaflutole, 25 parts by weight of atrazine, 40 parts by weight of acetochlor, 15 parts by weight of white carbon black, 6 parts by weight of sodium lignosulfonate, 3 parts by weight of sodium dodecylbenzenesulfonate Parts by weight, 3 parts by weight of sodium naphthalenesulfonate, 6 parts by weight of light calcium carbonate

[0073] The above raw materials are put into a mechanical pulverizer, and then pulverized by an air current to obtain the wettable powder.

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Abstract

The invention relates to the field of pesticides, and discloses a weeding composition and an application thereof. The composition contains a component A, a component B and a component C which are usedas active components, the component A is isoxaflutole, the component B is atrazine, the component C is an amide herbicide, and a weight ratio of the component A to the component B to the component Cis 1:(1.1-30):(1-75). The weeding composition containing the isoxaflutole, atrazine and the amide herbicide according to the weight ratio of the 1:(1-30):(1-75) has the advantages of broad weed control spectrum, high safety and excellent control effect. The weeding composition can control a lot of broadleaf weeds and grassy weeds when applied to control of weeds in the corn field.

Description

technical field [0001] The invention relates to the field of pesticide compositions, in particular to a herbicidal composition and the application of the herbicidal composition in controlling weeds. Background technique [0002] Corn is the largest economic crop in my country, and there are many kinds of weeds in cornfields, mainly including velvetleaf, quinoa, Kochia, pigskin, solanum nigrum, amaranthus retroflexus, Polygonum lanceolata, ghost needle grass, purslane, Various annual broad-leaved weeds such as chickweed, fennel, cocklebur, iron amaranth, water spiny needles, sorrel leaf Polygonum, mother-in-law, etc. It is time-consuming and labor-intensive to plant annual grass weeds by manual weeding. [0003] At present, the weed control methods in cornfields mainly include closed treatment and stem and leaf spray treatment. The control of these weeds by foliage spray treatment is more time-consuming and laborious than closed treatment, and the control cost is higher. How...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N43/70A01N37/26A01P13/00
CPCA01N37/26A01N43/70A01N43/80A01N2300/00
Inventor 刘勇陈恩昌张天柱朱玉坤王现全
Owner WEIFANG CYNDA CHEM
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