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Weeding composition containing mesotrione, penoxsulam and metamifop

A technology of penoxsulam and mefenoxam, which is applied in the field of agrochemicals, can solve problems such as environmental pollution, weeds are prone to drug resistance, and the herbicidal spectrum is narrowed, so as to achieve convenient application and delay weed resistance. The effect of drug production and reduction of dosage

Inactive Publication Date: 2018-03-06
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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  • Weeding composition containing mesotrione, penoxsulam and metamifop
  • Weeding composition containing mesotrione, penoxsulam and metamifop
  • Weeding composition containing mesotrione, penoxsulam and metamifop

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Mesotrione 0.3%, Penoxsulam 0.3%, Fenoxam 1%, Sodium a-alkenyl sulfonate (AOS) 1%, Sodium lignosulfonate (REAX82P) 4%, Glucose 6% , Silica 5%, kaolin the balance. Mix all the above-mentioned ingredients evenly 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 1.6% nitric acid Grassone · penoxsulam · fenoxazone granule (3:3:10).

Embodiment 2

[0036] Mesotrione 0.3%, Penoxsulam 0.2%, Mefentrazone 1%, 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 evenly according to the stated ratio, and through airflow crushing, the average particle size of the material is less than 5 microns, add water and knead evenly, move to granulation equipment for granulation, and dry at 45°C to obtain 1.5% nitrate Grassone · penoxsulam · fenoxazone granule (3:2:10).

Embodiment 3

[0038] Mesotrione 10%, Penoxsulam 6%, Mefentrazone 20%, Calcium Dodecyl Benzene Sulfonate 8%, Sodium Lignosulfonate 7%, Fatty Alcohol Polyoxyethylene Ether 3% , Silica 8%, kaolin the 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 36% wettable powder of mesotrione·pentoxsulam·oxaflumezamide (5:3:10) can be obtained.

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Abstract

The invention discloses a weeding composition containing mesotrione, penoxsulam and metamifop. The weeding composition is prepared from the following effective components: the mesotrione, the penoxsulam and the metamifop. The weight ratio of the mesotrione to the penoxsulam to the metamifop in the weeding composition is (1 to 5) to (1 to 3) to (5 to 15) and the total weight percentage of the mesotrione, the penoxsulam and the metamifop in the composition is 1 to 80 percent. The weeding composition containing the mesotrione, the penoxsulam and the metamifop, disclosed by the invention, has theadvantages that the weed control spectrum can be significantly enlarged and the overall control effect of weeds in a paddy field is improved; meanwhile, the composition has good safety to paddy rice and is a novel pesticide combination for preventing and killing annual weeds in the paddy field.

Description

technical field [0001] The invention belongs to the technical field of agricultural chemistry, and in particular relates to a herbicidal composition containing mesotrione, penoxsulam and mefentrazone. Background technique [0002] Mesotrione belongs to triketone herbicides, and its mechanism of action is p-hydroxyphenylpyruvate dioxygenase preparation. It is used for pre-emergence soil sealing in rice transplanting fields, and has a good sealing effect on weeds such as barnyardgrass, chinensis, crabgrass, bermudagrass, and firefly rush. [0003] Penoxsulam (penoxulam) belongs to the triazolopyrimidine sulfonamide herbicides, and its mechanism of action is an acetolactate synthase (ALS) inhibitor, which can be absorbed through stems, leaves, young shoots and roots, and transmitted to branches through xylem and phloem. growth tissue, inhibit plant growth, cause plant necrosis and death. It is suitable for dry direct seeding field, water direct direct seeding field, seedling ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N43/76A01N41/10A01P13/00
CPCA01N41/10A01N43/76A01N43/90
Inventor 陈丰喜范伟赠祁月月
Owner ZHEJIANG TIANFENG BIOLOGICAL SCI
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