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Weed killing composition containing clomazone, pendimethalin and mesotrione

A herbicidal composition, pendimethalin technology, which is applied in the field of herbicidal composition for controlling annual weeds and malignant weeds of rice Lishihe in paddy fields, can solve the problems of insignificant control effect, reduce the frequency of medication, Convenient and broad-spectrum herbicidal effect

Inactive Publication Date: 2017-06-13
ZHEJIANG TIANFENG BIOLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used barnyard-killing agents such as fenpyramid, saflufenacil, bispyribac, quinclorac, penoxsulam, etc. have no significant control effect

Method used

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  • Weed killing composition containing clomazone, pendimethalin and mesotrione
  • Weed killing composition containing clomazone, pendimethalin and mesotrione
  • Weed killing composition containing clomazone, pendimethalin and mesotrione

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Clomazone 1%, Pendimethalin 2.5%, Mesotrione 0.5%, Sodium a-alkenylsulfonate AOS 1%, Sodium Lignosulfonate REAX82P 6%, Glucose 5%, Silica 5% , Kaolin balance. Adsorb clomazone with white carbon black in advance according to the above ratio and let it stand for 24 hours, then mix the above other ingredients uniformly according to the above ratio, and then pulverize the material by air flow to make the average particle size of the material less than 5 microns, add water and knead evenly, transfer Granulate in granulation equipment, and after drying, 4% clomazone·pentamethalin·mesotrione granule (2:5:1) can be obtained.

Embodiment 2

[0041] Clomazone 1.5%, Pendimethalin 2.5%, Mesotrione 0.5%, Sodium Lauryl Sulfate 1%, Naphthalene Sulfonate Dispersant MORWET D425 5%, Macrogol 4000 5%, White Carbon black 5%, attapulgite balance. Adsorb clomazone with white carbon black in advance according to the above ratio and let it stand for 24 hours, then mix the above other ingredients uniformly according to the above ratio, and then pulverize them by air flow to make the average particle size of the material less than 5 μm, add water and knead evenly, and move to Granulate in granulation equipment and dry to obtain 4.5% clomazone·pentamethalin·mesotrione granules (3:5:1).

Embodiment 3

[0043]Clomazone 3%, Pendimethalin 10%, Mesotrione 1%, Sodium Diisobutyl Naphthalene Sulfonate 2%, Naphthalene Sulfonate Dispersant MORWET D425 5%, Ammonium Sulfate 10%, White Carbon Black 6%, Kaolin balance. Adsorb clomazone with white carbon black in advance according to the above ratio and let it stand for 24 hours, then mix the above-mentioned other ingredients evenly according to the above ratio, and crush them by airflow, so that the average particle size of the material is less than 5 μm, that is, 14% clomazone is obtained Pine · Pendimethalin · Mesotrione WP (3:10:1).

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PUM

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Abstract

The invention discloses a weed killing composition containing clomazone, pendimethalin and mesotrione. The weed killing composition is prepared from the following effective components of clomazone, pendimethalin and mesotrione, wherein the weight ratio of the clomazone, the pendimethalin and the mesotrione is (1-50):(1-50):1, and the total weight percentage of the clomazone, the pendimethalin and the mesotrione in the composition is 1 to 45 percent. The weed killing composition has very good synergistic interaction on prevention and removal of rice paddy worst weed Leersia hexandra, the difficulty of prevention and removal of Leersia hexandra is solved, pesticide using amount is reduced, the pollution to environment is released, the safety on rice is high, and the composition is the novel excellent weed killing composition which prevents and removes rice annual weeds and worst weed Leersiahexandra.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a herbicidal composition for controlling annual weeds and vicious weeds Oryza chinensis in paddy fields. Background technique [0002] Clomazone (clommazone) chemical name 2-(2-chlorobenzyl)-4,4-dimethylisoxazolin-3-one, belongs to carotenoid biosynthesis inhibitors, by inhibiting pentadiene compounds Synthesis, hindering the biosynthesis of carotene and chlorophyll. Absorbed by the roots and young shoots of plants, transported upwards, and diffused to the leaves through the xylem. [0003] The chemical name of pendimethalin is N-(1-ethylpropyl)-2,6-dinitro-3,4-dimethylaniline, which belongs to meristem cell division inhibitor. During the germination process of weed seeds, the young shoots, young stems, and young roots absorb the drug and work, and finally the young shoots and secondary roots are inhibited, eventually leading to death. [0004] Mesotrione belongs to the para-hydroxyp...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N33/18A01N41/10A01P13/00
CPCA01N43/80A01N33/18A01N41/10A01N2300/00
Inventor 陈丰喜祁月月范伟赠王国华
Owner ZHEJIANG TIANFENG BIOLOGICAL SCI
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