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Bactericidal composite and applications thereof

A technology of composition and bactericide, which is applied in the field of preparation and application of bactericidal composition, and can solve problems such as increased dosage, unfavorable environmental sustainable development, and shortened duration of efficacy

Inactive Publication Date: 2011-03-09
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Long-term use of a single dose of cyproconazole can easily cause disease resistance, resulting in increased dosage, reduced control effect, and shortened duration, which is not conducive to sustainable development of the environment

Method used

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  • Bactericidal composite and applications thereof
  • Bactericidal composite and applications thereof
  • Bactericidal composite and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0126] Example 1 Efficacy Test of 80% Triadimefon·Cycloconazole WP for Controlling Wheat Rust

[0127] Triadimefon 70%, cyclaconazole 10%, polycarboxylate 5%, sodium lauryl sulfate 3%, saponin powder 2%, kaolin 10%, the mixture is jet milled to obtain 80% triadimefon Cycloconazole wettable powder. The ratio is 6000 times diluted and sprayed, sprayed at the early stage of the disease, and sprayed once every 7 days, a total of 2 sprays, and the disease index is investigated 7 days and 14 days after the last spraying and the control effect is calculated. 7 days and 14 days after application, the effects of preventing and treating wheat rust were 91.5%, 96.3%, respectively. The 25% triadimefon wettable powder and the 10% cyclaconazole wettable powder were diluted 1000 times and 1500 times respectively according to the same method. After 14 days, the control effects were 65.4% and 73.5%, respectively.

[0128] In this example, triadimefon can be replaced by tebuconazole, hexacona...

Embodiment 2

[0129] Example 2 Efficacy Test of 60% Tebuconazole · Cycloconazole Water Dispersible Granules for Controlling Rice Blast

[0130] Tebuconazole 50%, Cycloconazole 10%, Lignosulfonate 4%, Tea Cucumber 4%, White Carbon Black 8%, Bentonite 10%, Kaolin 14%, mixed to make 60% Tebuconazole · Cycloconazole Alcohol water dispersible granules. The ratio is 5000 times diluted and sprayed, sprayed at the early stage of the disease, sprayed once every 7 days, a total of 2 sprays, and the disease index was investigated 7 days and 14 days after the last spraying and the control effect was calculated. 7 days and 14 days after application, the effects of controlling rice blast were 90.5% and 94.7%, respectively. The 70% tebuconazole wettable powder and the 10% cyclaconazole wettable powder were diluted 3000 times and 1500 times respectively according to the same method. The control effects were 63.4% and 75.6% respectively 14 days after treatment.

[0131] In this example, tebuconazole can b...

Embodiment 3

[0132]Example 3 Drug Efficacy Test of 60% Difenoconazole Cycloconazole Water Dispersible Granules for Controlling Tomato Late Blight

[0133] 10% difenoconazole, 50% cyproconazole, 4% alkyl aryl polyoxyethylene ether, 4% Sapindus powder, 3% polyvinyl alcohol, 7% white carbon black, diatomaceous earth added to 100 %, mixed to prepare 60% difenoconazole·cyclaconazole water-dispersible granules. The ratio is 4000 times diluted and sprayed, sprayed at the early stage of the disease, and sprayed once every 7 days, a total of 2 sprays, and the disease index was investigated 7 days and 14 days after the last spraying, and the control effect was calculated. 7 days and 14 days after application, the effects of preventing and controlling tomato late blight were 91.8% and 95.6% respectively, and 10% difenoconazole water-dispersible granules and 10% cyclaconazole wettable powder were diluted 800 times and 1500 times respectively according to the same method. Doubling use, 14 days after t...

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Abstract

The invention discloses a bactericidal composite. The bactericidal composite contains cyproconazole with with the synergistic effective quantity and one of triazole bactericides, namely triadimefon, tebuconazole, hexaconazole, difenoconazole, tetraconazole, epoxiconazole, myclobutanil, flusilazole, flutriafol, penconazole and triadimenol, wherein the weight ratio of the two active components in the bactericidal composite is 80-1:1-80. The bactericidal composite of the invention contains at least one surfactant to facilitate the dispersion of the active components in water when the bactericidal composite is used. The bactericidal composite has brotection activity, curative activity and killing activity, and can be used for various crops such as wheat, rice, vegetables and fruit trees and used to prevent and cure the plant diseases caused by the pathogenic bacteria of Ascomycotina, Basidiomycotina and Deuteromycotina.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides and relates to the preparation and application of a fungicide composition containing two active components. Background technique [0002] Cyproconazole, (also known as cyproconazole) English name: Cyproconazole, molecular formula: C 15 h 18 ClN 3 O, chemical name: 2-(4-chlorophenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol. [0003] Structural formula: [0004] Cycloconazole is a sterol demethylation inhibitor with preventive and therapeutic effects. It is effective against powdery mildews, rusts, sporospora, coracospora, Septoria, and scabella on cereal crops, coffee, sugar beet, fruit trees and grapes. Mixed with other fungicides, it can well control cereal powdery mildew, rust, rice blast, sheath blight, leaf spot and net spot, etc. The effective period for preventing and controlling wheat rust is 4 to 6 weeks, and for preventing and controlling powdery mildew is 3 to 4 w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N55/10A01P3/00
Inventor 张伟高超
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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