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Mixed herbicidal composition containing nicosulfuron and application thereof

A herbicidal composition, the technology of nicosulfuron, applied in the fields of pesticides and herbicides, can solve the problems of incomplete and effective control of weeds in cornfields, residual toxicity of current crops or subsequent crops, and long-lasting field effects. , to achieve the effect of delaying the generation of weed resistance, reducing the speed of weed resistance generation and improving the efficacy of the drug

Active Publication Date: 2011-04-27
NANJING HUAZHOU PHARMA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, dicamba has no effect on grass weeds, and some broad-leaved weeds have developed resistance to it, so its use is limited
[0016] At present, herbicides in cornfields are limited by the safety of crops, and their herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in cornfields. 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 herbicidal composition containing nicosulfuron and application thereof
  • Mixed herbicidal composition containing nicosulfuron and application thereof
  • Mixed herbicidal composition containing nicosulfuron and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0033] Atrazine 20%, Nicosulfuron 2%, Dicamba 16%, Alkylphenol Polyoxyethylene Ether 4%, Polyoxyethylene Polyoxypropylene Block Compound 5%, Xanthan Gum 2%, Vegetable Oil Supplement 100 %, according to the conventional preparation method, it is formulated into an oil suspension concentrate with a mass percentage of 38%.

Embodiment 2

[0035] Atrazine 2%, Nicosulfuron 2%, Dicamba 1%, NNO (sodium methylene bissulfonate) 9%, Alkylphenol polyoxyethylene ether 5%, Sodium lignosulfonate to 100% According to the conventional preparation method, it is prepared into a dry suspension with a mass percent content of 5%.

Embodiment 3

[0037] Atrazine 13%, Nicosulfuron 10%, Dicamba 25%, Sodium Lignosulfonate 7%, Sodium Dodecylbenzenesulfonate 5%, Ammonium Sulfate 5%, Diatomaceous Earth Top Up 100%, according to Dispersible granules with a mass percent content of 48% are prepared by a conventional preparation method.

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Abstract

The invention discloses a mixed herbicidal composition containing nicosulfuron and application thereof. The herbicidal composition is characterized by taking atrazine, nicosulfuron and dicamba as the main active ingredients, wherein the mass ratio of atrazine to nicosulfuron to dicamba is (1-50):(1-40):(1-70). Compared with the single agent, the herbicidal composition delays weed resistance, has wide herbicidal spectrum and long efficacy duration and does no harm to the corn and the aftercrops on the premise of improving the drug effect. The herbicidal composition can be used for preparing the herbicides for postemergence weed control in the cornfield, especially the herbicides for controlling various grass and broadleaf weeds in the cornfield.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and relates to a ternary compound of atrazine, nicosulfuron and dicamba. The herbicidal composition can be applied to post-emergence weeding in corn fields. Background technique [0002] Corn is the main food crop in my country, with a planting area of ​​20 million ha. Left and right, divided into spring sowing and summer sowing, the three northeastern provinces and Xinjiang mainly produce spring corn, and the Huanghuaihai region mainly produces summer corn. It is reported that about 1 / 2 area of ​​corn in the country is affected by weeds in different degrees, and the area of ​​severe weeds is about 10-20%. If weeding is not done in the field, the corn yield can be reduced by more than 50%. In order to reduce the economic loss caused by weed damage and reduce labor intensity, chemical weeding has been gradually accepted by people because of its conven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/70A01N37/40A01P13/00
Inventor 杨寿海郭崇友张春华姚明德吕旭东
Owner NANJING HUAZHOU PHARMA
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