Composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and application of composite herbicide

A compound herbicide, saflufenacil technology, which is applied in the field of compound herbicides, can solve the problems of throwing seedling fields, transplanting fields, serious rice phytotoxicity, and inability to use rice fields, etc., to achieve reliability and safety, improve drug Efficiency, improve the effect of anti-efficiency

Inactive Publication Date: 2014-12-10
河南中天恒信生物化学科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the component B of the above-mentioned invention, sulfonylureas include many products, and some sulfonylurea products such as ethametsulfuron, flucarbazone, chlorsulfuron, and metsulfuron-methyl have a long residual time in the soil. Forbidden, in addition, such as acylsulfuron-methyl, chlorimuron-methyl, nicosulfuron-methyl, epoxysulfuron-methyl, flurimsulfuron-methyl cannot be used in rice fields, if used, it will kill rice and cause extinction
The use of quinclorac in component B in rice transplanting fields and dry direct-seeding fields will cause severe phytotoxicity to rice,

Method used

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  • Composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and application of composite herbicide
  • Composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and application of composite herbicide
  • Composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and application of composite herbicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Embodiment 1: compound herbicide and dispersible oil suspension concentrate thereof

[0051] 1. Raw materials (mass percentage): saflufenacil 5%, cyhalofop-methyl 15%, penoxsulam 20%, alkylphenol polyoxyethylene ether sulfate 5%, sodium lignosulfonate 3%, Organic ammonium salt 5%, organic bentonite 3%, and methyl oleate make up to 100%.

[0052] 2. Preparation method: Mix the above-mentioned components uniformly and grind them in a sand mill for 4 hours to form a coarse dispersion, and then undergo ultrafine wet grinding to make the average particle size less than 5 μm to obtain the required 40% Saflufenacil, Cyhalofop-methyl, Penoxsulam dispersible oil suspension concentrate products.

Embodiment 2～4

[0053] Embodiment 2~4: compound herbicide and its dispersible oil suspension concentrate

[0054] The composition suspending agent of following different content can be prepared by the similar method of embodiment 1, see the following table

[0055]

[0056]

experiment example 1

[0057] Experimental Example 1: Indoor Activity Determination Test

[0058] Utilize the preparation in the example, measure its co-toxicity coefficient to the common weed Commelina japonicus in rice direct seeding field and transplanting field.

[0059] 1. Experimental grouping: 5% saflufenacil EC, 20% cyhalofop-ethyl EC, 25 g / L penoxsulam dispersible oil suspension concentrate;

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Abstract

The invention relates to a composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and an application of the composite herbicide. The composite herbicide comprises the following main active ingredients in parts by weight: 0.1-20 parts of pyribenzoxim, 0.1-20 parts of cyhalofop-butyl and 0.1-30 parts of penoxsulam. On the basis of a lot of individualized studies, the advantages of the three active ingredients namely pyribenzoxim, cyhalofop-butyl and penoxsulam are brought into full play by mixing at an appropriate rate by the inventor, and the defect caused by adverse impacts of a conventional composite herbicide on crops, soil alleviation and the like are effectively overcome.

Description

technical field [0001] The invention relates to the field of herbicides, and relates to a compound herbicide containing saflufenacil, cyhalofop-methyl and penoxsulam and an application thereof. Background technique [0002] Herbicides, also known as herbicides, refer to agents that can completely or selectively kill weeds. Sodium chlorate, borax, arsenic acid, trichloroacetic acid have a deadly effect on any kind of vegetation, but because of their residual effects, they should not be used in the field. Selective herbicides, especially derivatives of nitrophenols, chlorophenols, and carbamic acids, are mostly effective. [0003] The development of herbicides in the world is gradually stabilizing, mainly developing varieties with high efficiency, low toxicity, broad spectrum, and low dosage, and disposable treatment agents with little environmental pollution have gradually become the mainstream. [0004] Pyribenzoxim, molecular formula C 32 h 27 N 5 o 8 , chemical name:...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01P13/00A01N39/04A01N43/54
Inventor 吴宏博虎彪金莎莎
Owner 河南中天恒信生物化学科技有限公司
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