Ternary compound weeding composition

A herbicidal composition and a technology for the composition are applied in the field of agrochemical, can solve the problems of environmental pollution, weeds are prone to produce drug resistance, and the herbicidal spectrum is narrowed, and achieve convenient application, delay the generation of weed drug resistance, and reduce the use of amount of effect

Inactive Publication Date: 2018-03-09
ZHEJIANG TIANFENG BIOLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Herbicide varieties containing a single active component have defects in weed control to varying degrees, such as weeds are prone to resistance after continuous use, the herbicide spectrum becomes narrower, and environmental pollution is caused.

Method used

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  • Ternary compound weeding composition
  • Ternary compound weeding composition
  • Ternary compound weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Mesotrione 0.5%, Pretilachlor 5%, Furansutrione 0.5%, Sodium a-alkenyl sulfonate (AOS) 1%, Sodium lignosulfonate (REAX82P) 4%, Glucose 6%, White charcoal Black 5%, Kaolin balance. Mix all the above-mentioned ingredients evenly according to the stated ratio, and through airflow crushing, the average particle size of the material is less than 5 microns, and knead evenly with water, move to granulation equipment for granulation, and dry at 45°C to obtain 6% nitric acid Grassone·pretilachlor·furasulcotrione granules (1:10:1).

Embodiment 2

[0038] Mesotrione 0.3%, Pretilachlor 2%, Furan Sulfotrione 0.3%, Sodium Lauryl Sulfate 1%, Naphthalene Sulfonate Dispersant (MORWET D425) 5%, Polyethylene Glycol 4000 5%, White carbon black 10%, attapulgite balance. Mix all the above-mentioned ingredients uniformly according to the stated proportions, and through jet crushing, make the average particle size of the material less than 5 microns, add water and knead evenly, move to granulation equipment for granulation, and dry at 45°C to obtain 2.6% nitric acid Grassone·pretilachlor·furansultrione granules (3:20:3).

Embodiment 3

[0040] Mesotrione 1.5%, Pretilachlor 20%, Furansulotrione 3%, Calcium Dodecylbenzene Sulfonate 8%, Sodium Lignosulfonate 7%, Fatty Alcohol Polyoxyethylene Ether 3%, White Carbon Black 8%, Kaolin balance. Mix all the ingredients evenly according to the above ratio, and make the average particle size of the material less than 5um through jet milling. A 24.5% mesotrione-propachlor-furansulcotrione wettable powder (3:40:6) can be obtained.

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Abstract

The invention discloses a ternary compound weeding composition which comprises mesotrione, pretilachlor and furane sulcotrione. The weight ratio of the mesotrione, the pretilachlor and the furane sulcotrione in the weeding composition is (3-9): (20-60): (2-6), and the mesotrione, the pretilachlor and the furane sulcotrione account for 1%-80% of the total weight of the composition. The ternary compound weeding composition can remarkably widen weed control spectrums, overall control effects on weeds in rice fields are improved, the safety of the composition for rice is good, and the ternary compound weeding composition is a good novel pesticide composition for controlling annual weeds in the rice fields.

Description

technical field [0001] The invention belongs to the technical field of agricultural chemistry, and in particular relates to a three-component compound herbicide composition. Background technique [0002] Mesotrione belongs to the para-hydroxyphenylpyruvate dioxygenase inhibitors (HPPD inhibitors). Mesotrione is a herbicide used for pre-emergence and post-emergence control of weeds in corn fields. It has a very wide herbicidal spectrum and can control barnyardgrass, crabgrass, nightshade, chrysanthemum, cocklebur and other weeds . [0003] Pretilachlor belongs to the chloroacetamide herbicides, which mainly inhibit the growth of cells by hindering protein synthesis. The drug can be absorbed through the plant hypocotyl, mesocotyl and coleoptile, and slightly absorbed by the root. The symptoms of damage are that the primary leaves do not emerge or protrude from the side of the coleoptile, twist and cannot stretch normally, growth and development stop, and even die. It has a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/08A01N41/10A01N37/22A01P13/00
Inventor 陈丰喜祁月月李清标范伟赠
Owner ZHEJIANG TIANFENG BIOLOGICAL SCI
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