Mixed herbicide containing topramezone and simazine and application thereof

A technology of fenfentrazone and herbicide, which is applied in the field of mixed herbicides, can solve the problems of phytotoxicity, sandy soil with low organic matter content, etc., and achieve the effect of long-lasting effect, enhanced control effect, and wide weeding spectrum

Inactive Publication Date: 2016-05-25
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the temperature is high, the organic matter content is low, the amount of sandy soil is small, and the medicinal effect is good, but it is also prone to phytotoxicity.

Method used

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  • Mixed herbicide containing topramezone and simazine and application thereof
  • Mixed herbicide containing topramezone and simazine and application thereof
  • Mixed herbicide containing topramezone and simazine and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 15% fenfentrazone, 5% simazine, 4% alkylphenol polyoxyethylene ether, 5% polyoxyethylene polyoxypropylene block compound, 2% thickener, vegetable oil to 100%, according to the conventional The preparation method is prepared as an oil suspension concentrate with a mass percent content of 20%.

Embodiment 2

[0026] Mefentrazone 20%, Simazine 10%, Sodium Dodecyl Benzene Sulfonate 2%, Alkylphenol Ethoxylate Phosphate 5%, Propylene Glycol 5%, Xanthan Gum 0.1%, Water to 100% According to the conventional preparation method, it is prepared into a suspending agent with a mass percent content of 30%.

Embodiment 3

[0028] fenfentrazone 10%, simazine 30%, sodium lignosulfonate 4%, fatty acid polyoxyethylene ether 2%, propylene glycol 5%, xanthan gum 0.1%, white carbon black 2%, water supplement 100%, According to the conventional preparation method, it is prepared into a suspending agent with a mass percent content of 40%.

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Abstract

The invention belongs to the field of pesticides, and provides a mixed herbicide containing topramezone and simazine, and application thereof. The mixed herbicide contains active ingredients of topramezone and simazine in the weight ratio of 1:60-900:1. The mixed herbicide can be applied to the weeding of corn field, and particularly has significant effect in controlling germinated or nearly germinated Gramineae, Cyperaceae and broadleaf weeds. Compared to a single dosage, the herbicide of the invention, on the promise of improving the drug effect, delays weed resistance, widens herbicidal spectrum, and has long duration and security to corn.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a mixed herbicide comprising fenfentrazone and simazine and an application thereof. Background technique [0002] There are 22 families, 38 genera, and 43 species of corn weeds in China. Among them, the weeds that are more harmful to corn mainly include crabgrass, barnyardgrass, purslane, retroverted amaranthus, field bindweed, quinoa, teff, and green dog Tails, etc., have a greater impact on corn seedlings, mainly causing short corn plants, thin stems, and yellow leaves, and can seriously reduce production by 35%. Therefore, weeding cornfields has become an essential step in corn production. However, each weed has a different tolerance to herbicides, and it is difficult to control weeds efficiently and safely by using a single herbicide. Therefore, in order to improve the control effect, compound herbicides have become one of the focuses of research in this field. [0003] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N43/70A01N47/36A01P13/00
CPCA01N43/80A01N43/70A01N47/36A01N2300/00
Inventor 石振龙赵东亚邢刚陈叶青孙会杰
Owner NANJING HUAZHOU PHARMA
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