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Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof

A technology of metolachlor and etesulfuron, which is applied in the field of pesticides, can solve the problems of limited herbicidal spectrum, high water solubility, and excessive dosage, and achieve high herbicidal activity, wide herbicidal spectrum, and improved herbicidal activity. Effect

Active Publication Date: 2013-11-27
杭州邦化生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops

Method used

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  • Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof
  • Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof
  • Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof

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Experimental program
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Effect test

Embodiment 1

[0029] Etsulfuron 1%, metolachlor 10%, bispyribac 4%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block compound 5%, sodium carboxymethylcellulose 2 %, xylene 15%, water to 100%, according to the conventional preparation method, it is formulated into a water emulsion with a mass percentage content of 15%.

Embodiment 2

[0031] Etsulfuron 4%, metolachlor 20%, bisfluben 6%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene ether 5%, white carbon black 10%, Kaolin to 100%, according to the conventional preparation method, is formulated into a wettable powder with a mass percent content of 30%.

Embodiment 3

[0033] Etsulfuron 4%, Metolachlor 1%, Bispyribac 60%, Sodium Lignosulfonate 7%, Sodium Dodecylbenzenesulfonate 5%, Ammonium Sulfate 5%, Diatomaceous Earth Top Up 100% According to the conventional preparation method, it is prepared into a water-dispersible granule with a mass percent content of 65%.

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Abstract

The invention belongs to the technical field of agricultural agents, and discloses a herbicide, in particular a mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof. The herbicide takes the cinosulfuron, the metolachlor and the bispyribac as main active ingredients, and the mass ratio of the cinosulfuron, the metolachlor and the bispyribac is 0.1-80 / 0.1-80 / 0.1-80. The mixed herbicide is applied to weeding paddy field, and particularly has the obvious effect on the application in preventing and weeding weeds of various grass families, sedge families or broad leaves of the paddy field. Compared with a single herbicide, under the premise of improving the efficacy, the mixed herbicide also has the advantages of weakened herbicide resistance, wide weeding scope and long efficacy duration, and is safe to paddy and succeeding crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides and relates to a herbicide, in particular to a mixed herbicide containing etsulfuron-methyl, metolachlor and bispyribac and an application thereof. Background technique [0002] China is the country with the longest history of rice cultivation in the world. Rice is one of the main grain crops in my country, with a planting area of ​​about 33 million hectares, accounting for about 29% of the grain crop planting area. [0003] It is reported that rice all over the country is damaged by weeds in different degrees every year. If weeding is not done in the field, rice yield can be reduced by more than 50%. The main harmful weeds in paddy fields are: barnyardgrass, daughter, reed, firefly, water sedge, special-shaped sedge, broken rice sedge, sunshine sedge, eye vegetable, snakehead sausage, wild arrowhead mushroom, and duck tongue grass Wait. In order to reduce the economic loss caused by weed dam...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N43/54A01N37/22A01P13/00
Inventor 沈海峰唐旺权邢平刘奎涛陈文明
Owner 杭州邦化生物科技有限公司