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A formula combination for preventing and controlling wheat take-all disease based on seed coating

A technology of wheat take-all disease and formula, which is applied in the field of agricultural fungicides, can solve the problems of disease imitation failure and other problems

Active Publication Date: 2022-01-07
PLANT PROTECTION & QUALITY & SAFETY OF AGRI PRODS INST ANHUI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Appeal The two types of agents used alone can cause pathogenic bacteria to mutate in a relatively short period of time and form drug resistance, resulting in the failure of imitation of diseases

Method used

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  • A formula combination for preventing and controlling wheat take-all disease based on seed coating
  • A formula combination for preventing and controlling wheat take-all disease based on seed coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Preparation of 18% silthiazin · syringstrobin suspension seed coating agent, according to mass percentage.

[0035]Sithiopyram: 15%, Syringstrobin: 3%, Plant regulator composition: 0.06% (sodium nitrophenolate 0.05%, salicylic acid 0.01%), sodium lauryl sulfate: 8%, naphthalenesulfonate Salt formaldehyde condensate 4%, NNO 2%, ethylene glycol: 5%, magnesium aluminum silicate: 3%, bentonite: 1%, Elite anhydrous fast T: 2%, film former: 5% , Dye: 5%, the balance of water.

[0036] Preparation method: According to the formula, weigh the above components (except film-forming agent and dye) in proportion, put them into a ball mill and grind them for 60 minutes, filter, pump them into the dispersion tank for 3 minutes at high speed, and then grind them fully with a sand mill to control the solid components. The particle diameter is within 1 μm. After grinding, stir evenly, and add film-forming agent and dye to obtain the suspension seed coating product.

Embodiment 2

[0038] Preparation of 20% silthiazin · syringstrobin microcapsule suspension seed coating agent, according to mass percentage.

[0039] Sithiopyram 10%, syringstrobin 10%, plant regulator composition: 0.06% (sodium nitrophenolate 0.05%, salicylic acid 0.01%), methyl oleate 6%, cyclohexanone 4%, Diphenylmethane diisocyanate 6%, fatty amide N-methyl taurate 3%, ethylenediamine 1.5%, 1,3-propanediol 2.5%, sodium methylene bis-naphthalene sulfonate 4%, magnesium silicate Aluminum 4%, reduced gum 2%, polyvinyl alcohol 2%, polyacrylate 2.5%, permanent red 3%, water balance.

[0040] Preparation method: dissolve silthiazil, syringstrobin and plant regulator in a solvent in proportion, add diphenylmethane diisocyanate and stir evenly to obtain an oil phase; add emulsifiers and auxiliary agents to water and stir evenly to obtain a water phase Add the water phase to the oil phase and homogenize at a high speed to form an oil-in-water emulsion; at a speed of 450rpm, add ethylenediamine ...

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Abstract

The invention discloses a seed coating formulation for preventing and controlling wheat take-all, which consists of a fungicide, a seed trigger and an inducer. Antibiotic is composed of salicylic acid and sodium nitrophenolate; the mass percentage of each component: bactericide accounts for 1% to 60%, salicylic acid 0.0005% to 0.05%, sodium nitrophenolate 0.001% to 0.1%, and the composition The mixture of wheat seeds has a better effect of promoting seed germination and strong seedlings; among the present invention, silthiocarb and syringstrobin all belong to low toxicity, and are safe to humans, animals, beneficial organisms, and the environment; Drug resistance.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a fungicidal composition of silthiocarb and syringstrobin, which is added with salicylic acid and compounded with sodium nitrophenolate to prepare a seed coating for preventing and controlling wheat take-all. Background technique [0002] Wheat take-all caused by Gaeumannomyces graminis var. tritici is a devastating soil-borne disease in wheat production. Wheat take-all, also known as blackfoot, pathogenic bacteria initially infect the roots of wheat, destroying the root system, forming black roots, hindering the root system from absorbing nutrients, reducing tillering rate, number of effective ears, number of grains per ear and thousand-grain weight, and causing wheat to form later. White ears and withered, seriously endanger the quality and yield of wheat. In recent years, with the changes in farming patterns, a large number of straw returning to the field an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N55/10A01N43/16A01N37/40A01N33/22A01N25/04A01N25/00A01P3/00A01P21/00
CPCA01N55/00A01N43/16A01N37/40A01N33/22A01N25/04A01N25/00A01N25/28A01P3/00A01N43/10A01N43/78
Inventor 赵伟戚仁德迟元凯曹舜崔晓芳李婷汪涛
Owner PLANT PROTECTION & QUALITY & SAFETY OF AGRI PRODS INST ANHUI ACAD OF AGRI SCI