Composite herbicide for eliminating barnyard grass

A compound herbicide and barnyardgrass technology, applied in the direction of herbicides and algicides, chemicals used for biological control, application, etc., can solve problems such as drug resistance, achieve the goal of increasing concentration, improving weeding efficiency, and reducing dosage Effect

Inactive Publication Date: 2015-11-18
安徽省圣丹生物化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increase of herbicide use years, barnyardgrass has produced resistance problems through the selection pressure and genetic effects of herbicides.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A compound herbicide for barnyard grass proposed by the present invention includes, in parts by weight, raw materials: 3 parts of mesotrione, 1 part of penoxsulam, 1 part of pyrimethoxam, and 3 parts of flufenuron-methyl , 10 parts of quinclorac, 5 parts of cyhalofop-butyl, 0.2 parts of chlorfenapyr, 18 parts of tetrazolam, 4 parts of pyrazosulfuron-methyl, 0.008 parts of ferulic acid, 0.004 parts of p-hydroxybenzoic acid, 4 parts of penetration agent, 7 parts of surfactant, 12 parts of safener, 70 parts of dipropylene glycol dimethyl ether.

[0016] The penetration enhancer includes by weight: 10 parts of azone, 8 parts of thione, and 4 parts of propylene glycol.

[0017] The surfactants include by weight: 18 parts of silicone surfactant, 15 parts of Tween-8015, 3 parts of calcium dodecylbenzene sulfonate, 8 parts of alkylphenol polyoxyethylene ether, 2 parts of lignosulfonate , 3 parts of sodium lauryl sulfate.

Embodiment 2

[0019] A compound herbicide for barnyard grass proposed by the present invention includes, in parts by weight, raw materials: 6 parts of mesotrione, 0.5 part of penoxsulam, 3 parts of pyriflumefen, and 0.8 part of flufenuron-methyl , 15 parts of quinclorac, 2 parts of cyhalofop-butyl, 0.6 parts of chlorfenapyr, 15 parts of tetrazolam, 8 parts of pyrazosulfuron-methyl, 0.004 parts of ferulic acid, 0.008 parts of p-hydroxybenzoic acid, 1 part of penetration agent, 10 parts of surfactant, and 10 parts of safener.

[0020] The penetration enhancer includes by weight: 5 parts of azone, 15 parts of thione, and 3 parts of propylene glycol.

[0021] The surfactants include by weight: 25 parts of silicone surfactant, 25 parts of Tween-8010, 5 parts of calcium dodecylbenzenesulfonate, 4 parts of alkylphenol polyoxyethylene ether, and 4 parts of lignosulfonate , 1 part of sodium lauryl sulfate.

Embodiment 3

[0023] A compound herbicide for barnyardgrass proposed by the present invention includes, in parts by weight, raw materials: 4 parts of mesotrione, 0.8 parts of penoxsulam, 1.5 parts of pyrimifen, and 2.8 parts of flufenoxuron , 12 parts of quinclorac, 4 parts of cyhalofop-butyl, 0.3 parts of chlorfenapyr, 17 parts of tetrazolam, 5 parts of pyrazosulfuron-methyl, 0.007 parts of ferulic acid, 0.005 parts of p-hydroxybenzoic acid, 3 parts of penetration agent, 8 parts of surfactant, 11.2 parts of safener, 70 parts of dipropylene glycol dimethyl ether.

[0024] The penetration enhancer includes by weight: 7 parts of azone, 12 parts of thione, and 3.2 parts of propylene glycol.

[0025] The surfactants include by weight: 22 parts of silicone surfactant, 11 parts of Tween-8011, 4.5 parts of calcium dodecylbenzenesulfonate, 5 parts of alkylphenol polyoxyethylene ether, and 3.4 parts of lignosulfonate , 1.8 parts of sodium lauryl sulfate.

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PUM

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Abstract

The invention discloses a composite herbicide for eliminating barnyard grass. The composite herbicide comprises the following components in parts by weight: 3 to 6 parts of mesotrione, 0.5 to 1 part of penoxsulam, 1 to 3 parts of pyribenzoxim, 0.8 to 3 parts of flucetosulfuron, 10 to 15 parts of quinclorac, 2 to 5 parts of cyhalofop-butyl, 0.2 to 0.6 part of metribuzin, 15 to 18 parts of fentrazamide, 4 to 8 parts of pyrazosulfuron-ethyl, 0.004 to 0.008 part of ferulic acid, 0.004 to 0.008 part of p-hydroxy benzoic acid, 1 to 4 parts of penetration enhancer, 7 to 10 parts of surfactant, and 10 to 12 parts of safener. The provided composite herbicide has high herbicidal efficiency.

Description

technical field [0001] The invention relates to the technical field of herbicides, in particular to a compound herbicide for barnyard grass. Background technique [0002] Barnyardgrass is a malignant weed in the world, and it is also 15 kinds of malignant weeds that seriously endanger my country's farmland. The damage to rice production is particularly serious. In the early rice fields, the frequency of barnyardgrass is 72-100%, and the damage rate of grade two or above reaches 23.8-50.0%. In late paddy fields, the occurrence frequency of barnyardgrass was 37.2-74.7%, and the damage rate of grade two or above was 8.3-25.1%. The paddy field chemical control technology system has the characteristics of good control effect, broad weed killing spectrum, high safety and low cost. However, with the increase of herbicide use years, barnyardgrass has produced drug resistance through the selection pressure and genetic effects of the herbicides. The resistance ratio of barnyardgras...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N25/30A01P13/02A01N47/36A01N41/10A01N43/90A01N43/54A01N43/42A01N39/04A01N43/707
Inventor 钱同兰陈今如郑雷王朝文
Owner 安徽省圣丹生物化工有限公司
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