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Fungicidal composition containing penflufen and carvacrol and use of fungicidal composition

A technology of penflufen and carvacrol, which is applied in the direction of fungicides, biocides, applications, etc., can solve the problems of loss and wheat production reduction, and achieve the effects of less resistance, improved drug efficacy, and disease synergies obvious effect

Active Publication Date: 2015-05-27
HENAN INST OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two diseases alone will cause a 5-30% reduction in wheat production every year, causing huge losses to China's grain production
Not only that, at present, powdery mildew on flowers, fruit trees, vegetables, medicinal materials and other crops is gradually aggravating. In recent years, although there are many varieties of agents used for powdery mildew or rust, they have been used all year round, resulting in serious resistance. New fungicides with high efficiency, low toxicity, environmental protection and no cross-resistance and their compositions are one of the ways to solve this problem
At present, there is no report on the compounding of penflufen and carvacrol to control powdery mildew or rust

Method used

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  • Fungicidal composition containing penflufen and carvacrol and use of fungicidal composition
  • Fungicidal composition containing penflufen and carvacrol and use of fungicidal composition
  • Fungicidal composition containing penflufen and carvacrol and use of fungicidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Formula and production process of 5% penflufen·carvacrol EC

[0022] Formula: penflufen 0.5%, carvacrol 4.5%, ethanol 30%, calcium dodecylbenzenesulfonate 3%, Nongru 1601# 7%, Nongru 602 3%, and the rest is ethyl acetate.

[0023] Production process: Put the above formula into the stirring reactor in proportion, the total processed material is 1000kg, start stirring, the stirring speed is 80r / min, after stirring for 20 minutes, the material is discharged, after passing the test, it is subpackaged to obtain 5% penflufen. Carvacrol EC.

Embodiment 2

[0024] Example 2: Formula and production process of 10% penflufen·carvacrol wettable powder

[0025] Formula: penflufen 2%, carvacrol 8%, pull open powder 5%, sodium lignosulfonate 5%, sodium lauryl sulfate 1.5%, white carbon black 10%, and the rest is kaolin.

[0026] Production process: Put the above formula into the gravity-free stirring tank in proportion, the total processed material is 1000kg, start the stirring, after stirring for 15 minutes, enter the airflow crushing, after completion, enter the gravity-free stirring tank again, and discharge the material after stirring for 15 minutes, and control fine Pass through a 325-mesh sieve, pass the content test and repackage to obtain 10% penflufen·carvacrol wettable powder.

Embodiment 3

[0027] Example 3: Formula and production process of 30% penflufen·carvacrol wettable powder

[0028] Formula: penflufen 15%, carvacrol 15%, pull-off powder 7%, sodium lignosulfonate 7%, sodium lauryl sulfate 2%, white carbon black 15%, and the rest is kaolin.

[0029] Production process: Put the above formula into the stirring reactor in proportion, the total processed material is 1000kg, start the stirring, the stirring speed is 80r / min, after stirring for 20 minutes, the material is discharged, after passing the test, it is subpackaged to obtain 30% penflufen. Carvacrol WP.

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Abstract

The invention discloses a fungicidal composition containing penflufen and carvacrol and use of the fungicidal composition, wherein the mass ratio of penflufen to carvacrol is (1-10) to (1-10), the mass of the effective constituents accounts for 5%-80% of the total mass of the fungicidal composition. The fungicidal composition can be processed into various dosage forms including emulsion oil, microemulsion, a suspending agent, wettable powder or a water dispersible granule. The fungicidal composition containing penflufen and carvacrol disclosed by the invention has good prevention and treatment effects on common powdery mildew or rust diseases of wheat, fruit trees, flowers and vegetables, is long in lasting period, and has a relatively good effect of regulating growth of crops, and drug delivery times is obviously reduced.

Description

technical field [0001] The invention relates to the field of bactericides, in particular to a bactericidal composition containing penflufen and carvacrol. Background technique [0002] Powdery mildew or rust is currently two major types of diseases that are more harmful in crop diseases in China, such as wheat powdery mildew (Blumeria graminis (DC.) Speer Erysiphe graminis DC.E.graminis DC.f.sp.tritici Marchal) is a grass The wheat-specific type of powdery mildew brucei belongs to Ascomycotina fungus. It is a worldwide disease and is distributed in all major wheat-producing countries. In recent years, the disease has also become more and more serious in the Northeast, North China, and Northwest wheat regions. The disease can infect the above-ground organs of wheat plants, but mainly leaves and leaf sheaths, and glumes and awns can also be damaged when the disease is severe; and wheat rusts are divided into stripe rust (Puccinia striiformis West), leaf rust (P.recondita var ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01P3/00A01N31/08
Inventor 刘润强武忠伟张兆沛李毅王清峻王运兵
Owner HENAN INST OF SCI & TECH
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