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A special herbicide for cotton fields

A herbicide and cotton technology, applied in the direction of herbicide and algicide, application, biocide, etc., can solve the problems of high soil moisture requirements, narrow herbicidal spectrum of acetochlor, and swollen cotton roots, etc., to achieve increased The effect is obvious, the effect of weed control is improved, and the effect of reducing the amount of use

Inactive Publication Date: 2016-12-07
CHONGQING TONGJIA ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Trifluralin is a herbicide with long residual effect, which is easy to cause phytotoxicity after cropping, and it must be mixed with soil when used, which is time-consuming and labor-intensive, and it will also cause swelling of cotton roots after use; acetochlor has a narrow herbicidal spectrum and short duration and require higher soil moisture

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: 14wt% water emulsion

[0021] Ratio (wt%): quizalofop-p-ethyl 10%, chlorpyrazosulfuron-methyl 2.5%, garlic oil 1.5%, No. 150 industrial solvent oil 8%, Nongru No. 600 5%, Nongru NP-103%, poly Vinyl alcohol 2wt%, ethylene glycol 3wt%, water balance.

[0022] Preparation method: Mix quizalofop-pyl-ethyl, garlic oil, No. 150 industrial solvent oil, Nongru No. 600 and Nongru NP-10 to dissolve them into a uniform oil phase; mix clopyrazosulfuron-methyl, polyvinyl alcohol and Propylene glycol is added to water and mixed together to form a uniform water phase; under high-speed stirring, the water phase is added to the oil phase to form a well-dispersed water emulsion.

[0023] How to use: This product should be applied after the cotton seedlings, at the 3-5 leaf stage of annual grass weeds, and pay attention to spray evenly on the stems and leaves of the weeds. According to 50ml / hm 2 Dosage (dosage of active ingredients: 7ml / hm 2 ), add water 60L / hm 2 After ...

Embodiment 2

[0027] Embodiment 2: 25wt% water emulsion

[0028] Proportion (wt%): quizalofop-p-ethyl 18%, chlorpyrazosulfuron-methyl 4%, garlic oil 3%, No. 150 industrial solvent oil 12%, Nongru No. 600 7%, Nongru NP-104%, poly Vinyl alcohol 3wt%, ethylene glycol 5wt%, water balance.

[0029] Preparation method: with embodiment 1.

[0030] How to use: according to 30ml / hm 2 Consumption, all the other are with embodiment.

Embodiment 3

[0031] Embodiment 3: 15wt% suspoemulsion

[0032] Proportion (wt%): quizalofop-p-ethyl 10%, chlorpyrazosulfuron-methyl 3%, garlic oil 2%, industrial solvent oil No. 150 8%, Nongru No. 500 6%, Nongru No. 700 2%, poly 2% by weight of vinyl alcohol, 3% by weight of ethylene glycol, 2% of sodium dodecylsulfonate, 0.2% of organic silicone, and the balance of water.

[0033] The preparation method is: mix quizalofop-pyl-ethyl, garlic oil, No. 150 industrial solvent oil, Nongru No. 500 and Nongru No. 700 to dissolve them into a uniform oil phase; , Sodium lauryl sulfonate, organosilicone and water are mixed to make water suspension; then the prepared oil phase and water suspension are sheared and dispersed evenly to make suspoemulsion.

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PUM

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Abstract

The invention discloses a special herbicide for cotton fields. The herbicide is composed of quizalofop-p-ethyl, chlorpyrazosulfuron-methyl and garlic oil. crop damage.

Description

technical field [0001] The invention relates to a herbicide, in particular to a special herbicide for cotton fields, and belongs to the technical field of agricultural production. Background technique [0002] Cotton is an important economic crop in my country. Cotton is widely distributed in my country and is planted from south to north. The total sown area of ​​cotton in my country is about 75 million mu. The main factors affecting cotton yield are insect damage and weed damage. At present, herbicides commonly used in cotton fields are: trifluralin, acetochlor, etc. Trifluralin is a herbicide with long residual effect, which is easy to cause phytotoxicity after cropping, and it needs to be mixed with soil when used, which is time-consuming and labor-intensive, and it will also cause swelling of cotton roots after use; And it requires higher soil moisture. At the same time, due to the continuous use of herbicides in cotton fields for many years, the problem of phytotoxi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/42A01P13/00A01P1/00A01P17/00A01N47/36A01N43/60
Inventor 房锦山
Owner CHONGQING TONGJIA ELECTRONICS TECH CO LTD
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