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Beet herbicide

A herbicide and sugar beet technology, applied in the field of pesticides, can solve the problems of poor herbicide effect, insufficient sugar beet safety, poor control effect, etc., and achieve long-lasting drug properties, high ecological compatibility and safety, and easy to use The effect of period flexibility

Inactive Publication Date: 2015-01-14
山东华亚环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Currently, the herbicides used in sugar beet cultivation are not effective, especially against unemerged weeds, and are not safe enough for sugar beet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A sugar beet herbicide of the present invention is a water-dispersible granule, containing by weight: 10 parts of isoxaflutole, 60 parts of propargyl oxadiazone, 10 parts of herbicide safener, 12 parts of lignosulfonate, 5 parts of sodium lauryl sulfate, 4 parts of ammonium sulfate, 35 parts of white carbon black.

[0032] The preparation method is as follows: uniformly mix isoxaflutole, propargyl oxadiazone, herbicide safener, dispersant, wetting agent, disintegrating agent and filler, pulverize with ultra-fine jet mill, knead, and then add fluid The granulation, drying and sieving are carried out in the chemical bed granulation dryer to obtain the water dispersible granule of the fungicidal composition.

[0033] The herbicide is used before the seedlings of the sugar beet field, and the dosage is 600 grams of active ingredient / ha.

[0034] The control rate of weeds in sugar beet fields was 98.7%.

Embodiment 2

[0036] A sugar beet herbicide of the present invention is a water-dispersible granule, containing by weight: 10 parts of isoxaflutole, 50 parts of propargyl oxadiazone, 10 parts of herbicide safener, 15 parts of lignosulfonate, 7 parts of alkylnaphthalene sulfonate, 6 parts of aluminum chloride, 50 parts of light calcium carbonate.

[0037] The preparation method is as follows: uniformly mix isoxaflutole, propargyl oxadiazone, herbicide safener, dispersant, wetting agent, disintegrating agent and filler, pulverize with ultra-fine jet mill, knead, and then add fluid The granulation, drying and sieving are carried out in the chemical bed granulation dryer to obtain the water dispersible granule of the fungicidal composition.

[0038] The herbicide is used before the seedlings of the sugar beet field, and the dosage is 700 g active ingredient / ha.

[0039] The control rate of weeds in sugar beet fields was 96.9%.

Embodiment 3

[0041] A sugar beet herbicide of the present invention is a water-dispersible granule, containing by weight: 7 parts of isoxaflutole, 56 parts of propargyl oxadiazone, 7 parts of herbicide safener, 20 parts of polyoxyethylene fatty acid ester, 8 parts of sodium lauryl sulfate, 4 parts of ammonium sulfate, 45 parts of bentonite.

[0042] The preparation method is as follows: uniformly mix isoxaflutole, propargyl oxadiazone, herbicide safener, dispersant, wetting agent, disintegrating agent and filler, pulverize with ultra-fine jet mill, knead, and then add fluid The granulation, drying and sieving are carried out in the chemical bed granulation dryer to obtain the water dispersible granule of the fungicidal composition.

[0043] The herbicide is used after the sugar beet seedlings, and the dosage is 800 g active ingredient / ha.

[0044] The control rate of weeds in sugar beet fields was 96.2%.

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PUM

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Abstract

The invention belongs to the field of pesticides, and particularly relates to a beet herbicide. The beet herbicide provided by the invention contains active ingredients such as isoxaflutole and oxadiargyl which are blended with each other without conflict; a herbicide controlling spectrum is wide, so that most of annual and perennial weeds can be prevented and killed, weeds coming out of the ground can be effectively killed, weeds which do not come out of the ground can also be controlled, and the weeding effect is improved; a good synergistic effect is achieved when the active ingredients in the herbicide provided by the invention are matched in a certain range, the prevention effect is higher than that of a single herbicide, and the drug property maintaining time is long; and the beet herbicide can be used before and after emergence of seedlings, the using period is flexible, and the safety is good.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a sugar beet herbicide. Background technique [0002] Isoxaflutole, , the pure product is off-white or light yellow solid; melting point 140°C; density 1.590 (20°C); vapor pressure 1×10- 5Pa (25°C). Partition coefficient LogP=2.32; solubility in water is 6.2 mg / l (pH 5.5 20°C); stable to light, no decomposition occurs when heated and stored at 54°C for 14 days, half-life in aqueous solution of pH 1 is 1 day. [0003] Acute oral LD50 for rats: >5000mg / kg; acute percutaneous LD50 for rabbits: >2000mg / kg; This product is slightly irritating to rabbit eyes, but not irritating to rabbit skin. Rat acute inhalation LC50 (4 hours): >5.3mg / l. Duck and quail acute oral LD50 (14 days): >2150mg / kg. No mutagenicity, no teratogenicity. [0004] Its function is characterized by broad-spectrum herbicidal activity, can be used both before and after emergence, and the weeds wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/824A01N25/32A01P13/00A01N43/80
Inventor 牟军平朱娜刘晓于春光
Owner 山东华亚环保科技有限公司