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Pyrithiobac-sodium herbicide

A technology of pyrimox sulfide and herbicide, which is applied in the field of pyrimox sulfide herbicide, can solve problems such as affecting the harvest, yellowing, deformity, etc., and achieves the effects of low cost, remarkable medicinal effect and environmental safety.

Inactive Publication Date: 2012-10-24
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When herbicides containing pyrifluzan are used in pepper fields, the peppers will have symptoms of phytotoxicity such as yellowing and deformity after emergence, which will affect the harvest

Method used

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  • Pyrithiobac-sodium herbicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: 10% pyrifluzan aqueous solution

[0020] Its components are: pyrifluzal, pure 10g; nonylphenol polyoxyethylene ether, 6g as the wetting agent; brassinolide, 0.05g, as the safener; water, 100g as the solvent.

Embodiment 2

[0021] Embodiment 2: 20% pyrifluzan aqueous solution

[0022] Its components are: pyrimiazide, pure 20g; sodium lauryl sulfate, 0.5g as the wetting agent; sodium dihydrogen phosphate, 1g as the safener; water, 100g as the solvent.

[0023] The preparation method of Example 1 and Example 2 is as follows: adding pyrizachlor, safener and wetting agent into the solvent, stirring to fully dissolve and mix well.

Embodiment 3

[0024] Embodiment 3: 40% pyrifluzan soluble powder

[0025] Its components are: pyrizachlor, pure 40g; dispersant sodium lignosulfonate and NNO, the dosage is 4g and 1g respectively; wetting agent, pull open powder, 2g; safener, urea, 2g; filler Potassium chloride, 20g; filler sodium sulfate to make up 100g.

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Abstract

The invention belongs to the technical field of agricultural herbicides and particularly relates to pyrithiobac-sodium herbicide for hot pepper fields. The pyrithiobac-sodium herbicide comprises, by weight percent, 1-80% of pyrithiobac-sodium and 0.05-5% of safener. The safener is one or mixture of any of fulvic acid, brassinolide, urea, and monopotassium phosphate or monosodium phosphate buffer solution. The pyrithiobac-sodium herbicide solves the problem that tarditioanl pyrithiobac-sodium herbicide causes browning and malformation of seedlings of hot pepper and is evident in drug effect, low in cost and environment-friendly.

Description

Technical field [0001] The invention belongs to the technical field of agricultural herbicides, and specifically relates to a pyrimidine herbicide used in pepper fields. Background technique [0002] Pyrithiobac-sodium, chemical name: 2-chloro-6-(4,6-dimethoxypyrimidin-2ylthio)benzoate sodium salt CAS: 123343-16-8. It is a pyrimidine-salicylic acid broad-spectrum herbicide. It is an acetolactate synthase (from S) inhibitor that prevents weeds by preventing the biosynthesis of amino acids. It controls annual and perennial grass weeds and most broadleaf weeds. It has a good control effect on difficult-to-control weeds such as various morning glory, cocklebur, milfoil, goldenrod, field pu, Arabian sorghum, etc. Mainly used in cotton fields, it can be used before and after emergence, and can be used for land treatment and stem and leaf treatment. Currently it is mostly used for weeding in cotton fields. [0003] Chili peppers are an important vegetable crop and are grown th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N25/32A01P13/00
Inventor 李波王立峰吴本林解勇张黎辉
Owner QINGDAO HANSEN BIOLOGIC SCI
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