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Wheat composite herbicide based on triclopyr and pyraflufen-ethyl

A technology of triclosan and metazapyr, applied in the field of pesticides, can solve the problems of single product, increased usage of wheat herbicides, etc., and achieve the effects of enhancing hydrophobicity, reducing effective dose, and broadening herbicidal spectrum

Inactive Publication Date: 2021-06-11
合肥巨卓农业技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a compound herbicide for wheat based on triclopyr and metazafen, in order to solve the problems of increasing usage of existing wheat herbicide and single product

Method used

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  • Wheat composite herbicide based on triclopyr and pyraflufen-ethyl

Examples

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Effect test

Embodiment 1

[0026] A compound herbicide for wheat based on clopyroxyacetic acid and metazafen, the dosage form of the herbicide is a dispersible suspension concentrate, including the following raw materials in percentage by weight: 25% chlorpyroxypyr, 15% metazafen , 6% additives, the balance is propanol.

[0027] Among them, the additives are sodium lauryl sulfate, calcium dodecylbenzenesulfonate, epoxy soybean oil, modified sodium lignosulfonate, silicone oil and ethylene glycol according to the mass ratio of 0.5:0.5:1:1 : 1:1 mixed mixture.

[0028] Wherein, modified sodium lignosulfonate is made by following steps:

[0029] Step A: Dissolving the alkali lignin in deionized water, after the alkali lignin is completely dissolved, transfer the alkali lignin solution to a three-necked flask with a stirrer and a thermometer, and adjust the pH of the solution to 10 with sodium hydroxide, And heat it with a water bath, heat the solution temperature to 40°C, then drop in hydrogen peroxide f...

Embodiment 2

[0033] A compound herbicide for wheat based on clopyroxyacetic acid and metazafen, the dosage form of the herbicide is a suspension concentrate, including the following raw materials in percentage by weight: 15% chlorpyroxyacetic acid, 25% metazafen, 6% Auxiliary, the balance is deionized water.

[0034] Wherein, the additives are sodium lauryl sulfate, calcium dodecylbenzenesulfonate, epoxy soybean oil, modified sodium lignosulfonate, organic silicon oil and ethylene glycol in a mass ratio of 0.5:0.5:1: 1.5:0.5:0.5 mixed mixture.

[0035] Wherein, modified sodium lignosulfonate is made by following steps:

[0036]Step A: Dissolving the alkali lignin in deionized water, after the alkali lignin is completely dissolved, transfer the alkali lignin solution to a three-necked flask with a stirrer and a thermometer, and adjust the pH of the solution to 10 with sodium hydroxide, And heat it with a water bath, heat the solution temperature to 40°C, then drop in hydrogen peroxide for...

Embodiment 3

[0040] A compound herbicide for wheat based on clopyroxyacetic acid and metazafen, the dosage form of the herbicide is a wettable powder, including the following raw materials in percentage by weight: 10% chlorpyroxyacetic acid, 10% metazafen, 3% additives, and the balance is a mixture of diatomite and bentonite in a mass ratio of 10:1.

[0041] Among them, the additives are sodium lauryl sulfate, calcium dodecylbenzenesulfonate, epoxy soybean oil, modified sodium lignosulfonate, silicone oil and ethylene glycol according to the mass ratio of 0.5:0.5:1:1 : 1:1 mixed mixture.

[0042] Wherein, modified sodium lignosulfonate is made by following steps:

[0043] Step A: Dissolving the alkali lignin in deionized water, after the alkali lignin is completely dissolved, transfer the alkali lignin solution to a three-necked flask with a stirrer and a thermometer, and adjust the pH of the solution to 10 with sodium hydroxide, And heat it with a water bath, heat the solution temperatu...

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Abstract

The invention discloses a wheat compound herbicide based on trichlopyr and pyraflufen-ethyl. The wheat compound herbicide is prepared from the following raw materials in percentage by weight: 1-60% of trichlopyr, 1-30% of pyraflufen-ethyl, 3-8% of auxiliaries and the balance of a carrier. The dosage form of the wheat composite herbicide based on the triclopyr and the pyraflufen-ethyl is one of a dispersible suspending agent, a suspending agent, wettable powder and water dispersible granules, and an auxiliary agent is a mixture of lauryl sodium sulfate, calcium dodecyl benzene sulfonate, epoxidized soybean oil, modified sodium lignin sulfonate, organic silicone oil and ethylene glycol in any ratio. In addition, the invention makes use of the point that pyraflufen-ethyl is a novel phenyl pyrazole post-emergence herbicide with contact toxicity, makes up for the scarcity of wheat field available herbicide varieties for post-emergence stem and leaf treatment of weeds, and expands the weeding spectrum of the herbicide at the same time.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a compound herbicide for wheat based on triclopyr and metazachlor. Background technique [0002] Wheat is the third largest grain crop in my country, and at the same time, my country is also the largest wheat producer in the world. In 2019, my country's wheat output was 133 million tons, the consumption was 128 million tons, the import volume was 4 million tons, and the export volume was 1.1 million tons. Weed damage is one of the main biological disasters faced in wheat cultivation. Even if various control measures are taken, the yield loss directly caused by weed damage in wheat fields exceeds 18%. At present, weed control through the use of herbicides is still the most important means of weed control in wheat fields in my country. The amount of herbicides used in wheat fields has increased year by year. Households use herbicides in wheat fields. In addition, t...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N43/56A01N25/30A01P13/00
CPCA01N25/30A01N43/40A01N43/56
Inventor 刘言合陈琦
Owner 合肥巨卓农业技术开发有限公司
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