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Penoxsulam preparation and preparation method thereof

A technology of penoxsulam and preparations, which is applied in the field of pesticide synthesis, can solve the problems of slow drug presentation and the like, and achieve the effect of improving herbicidal efficiency

Active Publication Date: 2019-10-18
湖北广富林生物制剂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, penoxsulam is a strong acetolactate synthase inhibitor, and the drug is slow to appear. It takes a certain period of time for the weeds to gradually die. The speed of weed death is related to the accumulation of branched-chain amino acids in the weeds.
The selectivity of weeding is high, but the efficiency of weeding needs to be improved

Method used

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  • Penoxsulam preparation and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Add 2-5 parts of polycarboxylate, 2 parts of polyvinyl alcohol, 0.5 parts of cellulose acetate propionate and 2.5 parts of xanthan gum, 0.5 parts of fatty alcohol polyoxyethylene ether, lauryl hydroxypropyl alcohol into 50 parts of peanut oil. 1 part of magnesium sulfonate, 1.5 parts of styrylphenol polyoxyethylene ether and 0.1 part of dioctanoylcystine, after mixing and stirring evenly, add 5 parts of penoxsulam under stirring with a high-speed shearing machine, and cut After 20-30 minutes, the penoxsulam preparation is prepared.

[0022] The prepared penoxsulam preparation is used to inhibit the growth of one or more of grass weeds, sedge weeds and broadleaf weeds.

Embodiment 2

[0024] In the mixture of 80 parts of soybean oil, rapeseed oil and palm oil, add 5 parts of the mixture of lignosulfonate and alkylnaphthyl sulfate sodium salt, 4 parts of polyvinyl alcohol, 1 part of cellulose acetate propionate carboxylate and 3 parts of xanthan gum, 1.5 parts of fatty alcohol polyoxyethylene ether, 1.5 parts of magnesium lauryl hydroxypropyl sulfonate, 2 parts of styrylphenol polyoxyethylene ether and 2 parts of dicaprylyl cystine, mixed and stirred evenly , adding 20 parts of penoxsulam under stirring with a high-speed shearing machine, and shearing for 20 to 30 minutes to obtain the penoxsulam preparation.

[0025] The prepared penoxsulam preparation is used to inhibit the growth of one or more of grass weeds, sedge weeds and broadleaf weeds.

Embodiment 3

[0027] Add 3 parts of lignosulfonate, 3 parts of polyvinyl alcohol, 0.8 parts of cellulose acetate propionate carboxylate and 2.8 parts of xanthan gum into the mixture of 70 parts of linseed oil, turpentine oil and corn oil, fatty alcohol polyoxyethylene 1 part of ether, 1.3 parts of magnesium lauryl hydroxypropyl sulfonate, 1.8 parts of styrylphenol polyoxyethylene ether and 1 part of dioctanoyl cystine, after mixing and stirring evenly, add pentafluoro 10 parts of sulfenfenacil, cut for 20-30 minutes, the penoxsulam preparation is prepared.

[0028] The prepared penoxsulam preparation is used to inhibit the growth of one or more of grass weeds, sedge weeds and broadleaf weeds.

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Abstract

The invention discloses a penoxsulam preparation and a preparation method thereof. The penoxsulam preparation comprises the following components, in parts by weight: 5-20 parts of a weeding active ingredient, 2-5 parts of a dispersing auxiliary agent, 5-8 parts of a sustained-release agent, 3-5 parts of an emulsifying agent, 0.1-2 parts of an active agent and 50-80 parts of an oil-based solvent, wherein the weeding active ingredient is penoxsulam. The invention also discloses an application of the penoxsulam preparation for inhibiting growth of one or more of grassy weeds, sedge weeds, and broadleaf weeds. The penoxsulam preparation provided by the invention has high weeding efficiency and good weeding effects when applied to removal of the grassy weeds, the sedge weeds and the broadleaf weeds, and the preparation method has a simple process and no pollution.

Description

technical field [0001] The invention relates to the technical field of pesticide synthesis, in particular to a penoxsulam preparation and a preparation method thereof. Background technique [0002] Penoxsulam is a post-emergence herbicide developed by Dow AgroSciences. It is effective by inhibiting acetolactate synthase (ALS), and can effectively control barnyardgrass, daughter and annual sedge weeds, and is effective against many broadleaf weeds. It has broad-spectrum herbicidal activity, and the duration of effect is as long as 30-60 days. One application can basically control the damage of weeds in the whole season. [0003] Penoxsulam is a conductive herbicide, which is absorbed by the leaves, stems and roots of weeds, and then transmitted to the meristematic tissue through the xylem and phloem, inhibiting plant growth and making the growing points chlorotic. It is safe for rice because the active ingredient degrades rapidly in the rice body. Weeds stop growing soon a...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N37/18A01N25/30A01P13/00
CPCA01N25/30A01N37/18A01N43/90
Inventor 牛巍张晓臣李萍张强
Owner 湖北广富林生物制剂有限公司
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