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Seed coating agent for preventing and treating phytophthora root rot of soybean

A technology for Phytophthora soybean and root rot, which is applied in the directions of biocides, fungicides, biocides, etc., can solve problems such as failure of disease imitation, achieve synergistic control effect, improve germination rate, disease resistance, and bactericidal effect Good results

Active Publication Date: 2020-06-30
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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  • Seed coating agent for preventing and treating phytophthora root rot of soybean
  • Seed coating agent for preventing and treating phytophthora root rot of soybean
  • Seed coating agent for preventing and treating phytophthora root rot of soybean

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Preparation of 10% Shenzimycin · Benthiopyram Suspension Seed Coating Agent, according to mass percentage.

[0036] Shenzimycin: 5%, benthiazil: 5%, plant regulator composition: 0.055% (sodium nitrophenolate 0.05%, brassinolide 0.005%), xanthan gum: 2.2%, dispersant FS3000: 6%, Calcium Lignosulfonate: 5% Ethylene Glycol: 3%, Magnesium Aluminum Silicate: 0.3%, Bentonite: 0.5%, Elit Anhydrous Fast T: 1.5%, Silicone Defoamer : 2%, film former: 5%, dye: 2%, water balance.

[0037]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

[0039] Preparation of 12% Shenzimycin · Benthiopyram Microcapsule Suspension Seed Coating Agent, by mass percentage.

[0040] Shenzimycin 2%, benthiazil 10%, plant regulator composition: 0.055% (sodium nitrophenolate 0.05%, brassinolide 0.005%), methyl oleate 8%, cyclohexanone 4 %, diphenylmethane diisocyanate 3%, fatty amide N-methyl taurate 2%, ethylenediamine 0.5%, 1,3-propanediol 1.2%, sodium methylene bis-naphthalene sulfonate 2%, silicon Magnesium aluminum 3.2%, gum arabic 2%, polyvinyl alcohol 2%, polyacrylate 2.5%, permanent red 4%, the balance of water.

[0041] Preparation method: Dissolve shenzimycin, benthiazil and plant regulator in a solvent, add diphenylmethane diisocyanate and stir evenly to obtain an oil phase; add emulsifier and auxiliary agent to water and stir evenly to obtain Water phase; the water phase is added to the oil phase, homogenized at a high speed to form an oil-in-water emulsion; at a speed of 450 rpm, ethylenediamine is added to participate i...

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Abstract

The invention discloses a seed coating agent for preventing and treating soybean phytophthora root rot, the seed coating agent is composed of a bactericide and a seed initiation and resistance inducer, the bactericide is composed of phenazino-1-carboxylic acid and benthiavalicarb-isopropyl, and the seed initiation and resistance inducer is composed of compound sodium nitrophenolate and brassinolide; the composition comprises the following components in percentage by mass: 2 to 60 percent of the bactericide, 0.005 to 0.05 percent of compound sodium nitrophenolate and 0.0005 to 0.005 percent ofbrassinolide. The formed mixture has good effects of promoting seed germination and strengthening seedlings for soybean seeds; the phenazino-1-carboxylic acid and the benthiavalicarb-isopropyl are lowin toxicity and safe to human, livestock, beneficial organisms and the environment; the drug resistance of germs to a single medicament can be delayed.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a fungicidal composition containing shenazinamycin and benthiazil, which is prepared into a seed coating agent after adding sodium nitrophenolate and brassinolide. Background technique [0002] Sudden death of seedlings and Phytophthora root rot of adult plants caused by infestation of soybean by Phytophthorasojae is one of the major threats to soybean production worldwide. Generally, the area where the disease occurs reduces the yield by 10%-30%, and the area where the disease occurs seriously reduces the yield by 60%, or even disappears, causing direct economic losses of up to more than one billion U.S. dollars to soybean production worldwide every year. In 1989, Shen Chongyao and Su Yanchun first isolated the pathogen in the main soybean producing area in Northeast my country in 1989, and then found its distribution in 23 provinces and cities in my country an...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N43/60A01N25/00A01P3/00A01N33/22A01N43/22
CPCA01N25/00A01N33/22A01N43/22A01N43/60A01N47/12
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
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