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Bactericidal composition containing metconazole and triazole

A technology containing metconazole and triazoles, which is used in the preparation and application of fungicidal compositions, and can solve the problems of disease resistance, unfavorable environmental sustainable development, and shortened duration of efficacy.

Inactive Publication Date: 2011-04-27
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 agent of metconazole can easily lead to drug resistance in diseases, leading to problems such as 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 composition containing metconazole and triazole
  • Bactericidal composition containing metconazole and triazole
  • Bactericidal composition containing metconazole and triazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 180

[0104] Example 180% Triadimefon Meconazole WP Control Efficacy Test of Wheat Rust

[0105] Triadimefon 65%, metconazole 15%, polycarboxylate 5%, sodium lauryl sulfate 3%, saponin powder 2%, diatomite is added to 100%, and the mixture is carried out airflow pulverization, makes 80 % Triadimefon Meconazole wettable powder. The proportion is diluted and sprayed at 20 g / mu, sprayed at the early stage of the disease, sprayed once every 7 days, and sprayed twice in total. 7 days and 14 days after the last spraying, the disease index was investigated and the control effect was calculated. 7 days and 14 days after application, the effects of preventing and treating wheat rust were 91.2%, 96.6%, respectively, and 25% triadimefon wettable powder and 60g / L metconazole aqueous emulsion followed the same method, respectively at 35 g / mu and 30 g / mu. When diluted with mu, the control effects were 65.2% and 73.8% 14 days after application.

[0106] In this embodiment, triadimefon can be rep...

Embodiment 240

[0107] Example 240% Cyproconazole Metconazole Water Emulsion Control Efficacy Test of Banana Leaf Spot

[0108] Cyproconazole 30%, Meconazole 10%, Methanol 8%, Alkylphenol Polyoxyethylene Ether Phosphate 5%, Polyethylene Glycol 3%, Alkylbenzene Sulfonate Calcium 5%, Sodium Chloride 2% 1. Add deionized water to 100%, and mix to prepare 40% cyproconazole-meconazole aqueous emulsion. 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 3 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 the medicine, the effects of preventing and treating banana leaf spot were 91.2%, 95.6%, respectively, and 40% cyproconazole wettable powder and 60g / L metconazole water emulsion followed the same method, respectively pressing 60 grams / mu and 30 g / mu diluted use, 14 days after the application of the control effect were...

Embodiment 340

[0110] Example 340% Hexaconazole Metconazole Suspoemulsion Control Efficacy Test of Rice Sheath Blight

[0111] Hexaconazole 10%, Meconazole 30%, Polycarboxylate 3%, Lignosulfonate 3%, Sodium Dodecyl Benzene Sulfonate 4%, Nonylphenol Polyoxyethylene Ether Modified Phosphate 3 %, acetone 6%, xanthan gum 0.5%, ethylene glycol 4%, deionized water to 100%, mixed to prepare 40% hexaconazole-meconazole suspoemulsion. The proportion is diluted and sprayed at 30 g / mu, sprayed at the early stage of the disease, sprayed once every 7 days, and sprayed twice in total. 7 days and 14 days after the last spraying, the disease index was investigated and the control effect was calculated. 7 days and 14 days after the drug, the effects of controlling rice sheath blight were 91.3%, 95.8%, respectively, and 10% hexaconazole suspension concentrate and 60g / L metconazole water emulsion were used in the same way, respectively at 50 g / mu and 30 g / mu. Gram / mu dilution is used, and the control effects ...

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Abstract

The invention discloses a bactericidal composition, which contains synergy effective quantity of metconazole and one of triadimefon, tebuconazole, hexaconazole, cyproconazole, triadimenol, bitertanol and diniconazole serving as a triazole bactericide, wherein the weight part ratio of the two active ingredients in the bactericidal composition is 80:1-1:80. The bactericidal composition at least contains one surfactant which is favorable for dispersion of the active ingredients in water during application. The bactericidal composition has protection, treatment and weeding activities, can be used for multiple crops such as wheat, rice, vegetables, fruit trees and the like, and can be used for preventing and controlling plant diseases caused by pathogenic bacteria of aseomycotina, basidiomycolina and deuteromycotina.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides and relates to the preparation and application of a fungicidal composition containing metconazole. Background technique [0002] Metconazole, a new triazole fungicide developed by Kureha Chemical Company in Japan in the early 1990s, molecular formula: C 17 h 22 ClN 3 O, structural formula: [0003] [0004] Meconazole is an inhibitor of C-14 demethylase in ergosterol biosynthesis. Although the mechanism of action is the same as other triazole fungicides, the activity spectrum is quite different. Both isomers have bactericidal activity, but the activity of the cis form is higher than that of the trans form. The fungicidal spectrum of metconazole is very broad and its activity is excellent. Field application of metconazole has excellent effects on the plant diseases of Septoria, Fusarium and Puccinia of cereal crops. Compared with traditional fungicides, metconazole has a very low do...

Claims

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Application Information

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