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Bactericidal composition and application thereof

A composition and fungicide technology, applied in the direction of application, fungicide, biocide, etc., can solve the problems of unfavorable environmental sustainable development, disease resistance, and shortened duration of efficacy, and achieve the goal of overcoming and germ resistance, Effects of reducing pollution and reducing drug dosage

Active Publication Date: 2015-10-07
LIER CROPSCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although Shenzimycin, Ditofencarb or its hydrochloride, propamocarb or its hydrochloride are highly effective fungicides, long-term use of a single agent will easily cause the disease to develop resistance, resulting in increased dosage, The problem of reduced prevention effect and shortened duration is not conducive to the sustainable development of the environment

Method used

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  • Bactericidal composition and application thereof
  • Bactericidal composition and application thereof
  • Bactericidal composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Example 1: 20.2% Shenzimycin · propamocarb wettable powder (1:100)

[0052] Components: Shenzimycin 0.2%, propamocarb 20%, sodium dodecylbenzene sulfonate 3%, sodium lignin naphthalene sulfonate 6%, white carbon black 15%, kaolin supplemented to 100%.

[0053] Preparation method: Mix all the components uniformly, first pass through mechanical crushing, then airflow crushing, and then mix uniformly to prepare 20.2% Shenzimycin · Propamocarb wettable powder.

Embodiment 2

[0057] Embodiment 2: 16.8% Shenzimycin · propamocarb hydrochloride dry suspension concentrate (1:55)

[0058] Components: Shenzimycin 0.3%, propamocarb hydrochloride 16.5%, sodium polycarboxylate 3%, sodium lignin naphthalene sulfonate 10%, silicone defoamer 0.4%, sodium benzoate 0.1%, white carbon Black 8%, kaolin topped up to 100%. Soft water 150-200%.

[0059] Preparation method: add 1.5-2.0 times the amount of water prepared by the preparation, mix the components, mix them evenly through high-speed shearing, and then sand them with a sand mill for 2-3 hours to make the average particle size reach 1-5 microns, dehydrate After drying, a 16.8% dry suspension concentrate of shenzimycin·propamocarb hydrochloride can be obtained.

Embodiment 3

[0060] Embodiment 3: 25.5% Shenzimycin · propamocarb wettable powder (1:50)

[0061] Components: Shenzimycin 0.5%, propamocarb 25%, sodium lauryl sulfate 4%, sodium lauryl sulfate 5%, white carbon black 6%, light calcium carbonate supplemented to 100%.

[0062] Preparation method: Mix all the components uniformly, first pass through mechanical pulverization, then jet pulverization, and then mix uniformly to prepare 25.5% Shenzimycin · Propamocarb wettable powder.

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Abstract

Relating to the technical field of pesticide compounding, the invention discloses a bactericidal composition and application thereof. The effective component of the bactericidal composition contains phenazine-1-carboxylic acid A and a carbamate bactericide B, wherein the carbamate bactericide B is one or more of propamocarb and its hydrochloride or diethofencarb and its hydrochloride, and the weight ratio of A to B is 1:100-100:1. Compounding of the effective component A and B has an obvious synergistic effect, and can effectively reduce the dosage of each single agent. The bactericidal composition has good effect on expansion of the bacteriocidal spectrum and delaying of plant resistance to drugs, also can prolong the lasting period, and has obvious promotion value. The composition can be added with other pesticide adjuvants to be processed into any dosage form. The bactericidal composition can effectively control sheath blight, rice blast, Ustilaginoidea virens, rust disease, root rot, sclerotinia sclerotiorum, smut, and blight, etc.

Description

technical field [0001] The invention relates to a bactericidal composition and its application, in particular to a bactericidal composition containing active ingredients shenzamycin and a carbamate bactericide and its application, and belongs to the technical field of pesticide compounding. Background technique [0002] In agricultural production, the healthy growth of crops is not only affected by insects and weeds, but also the prevention and control of diseases is very important. With the strengthening of environmental protection concepts and the implementation of sustainable development strategies, high efficiency, low toxicity, high activity, and low residue have become an inevitable trend in the development of pesticides. However, even if high-efficiency fungicides are used alone for a long time, it is easy to cause disease resistance, leading to problems such as increased dosage, reduced control effect, and shortened duration, which is not conducive to sustainable dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/12A01N47/20A01P3/00A01N43/60
CPCA01N43/36A01N43/50A01N43/60A01N43/80A01N57/12A01N2300/00
Inventor 古越陈熙李翔
Owner LIER CROPSCIENCE CO LTD
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