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Bactericidal composition containing metconazole

A technology of metconazole and composition, applied in the field of agricultural fungicides, can solve the problems of reduced control effect, disease resistance, unfavorable environmental sustainable development, etc.

Inactive Publication Date: 2011-07-06
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
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  • Bactericidal composition containing metconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 160

[0096] Example 160% Difenoconazole Metconazole WP Control Efficacy Test of Pear Scab

[0097] 10% of difenoconazole, 50% of metconazole, 5% of polycarboxylate, 3% of rice sulfonate sodium, 2% of saponin powder, and diatomaceous earth are added to 100%, and the mixture is jet-milled to prepare A 60% difenoconazole-meconazole wettable powder was obtained. The ratio is 8000 times diluted and sprayed, sprayed at the early stage of the disease, sprayed once every 7 days, a total of 2 sprays, 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 drug, the effects of preventing and treating pear scab were 91.2%, 96.6% respectively, and the 10% difenoconazole water-dispersible granule and 60g / L metconazole water emulsion followed the same method, respectively increasing 5500 times and 600-fold diluted use, 14 days after the drug control effect were 72.2% and 69.8%.

[0098] In this embodimen...

Embodiment 230

[0099] Example 230% Penconazole Meconazole Emulsion Control Efficacy Test of Grape Powdery Mildew

[0100] Penconazole 20%, Meconazole 10%, Methanol 8%, Alkylphenol Polyoxyethylene Ether Phosphate 5%, Polyvinyl Alcohol 3%, Alkylbenzene Sulfonate Calcium 5%, Sodium Chloride 2%, Add ionized water to 100%, and mix to prepare 40% penconazole-meconazole aqueous emulsion. The ratio is 3000 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 application, the effects of preventing and treating grape powdery mildew were 91.2%, 96.8%, respectively. The 10% penconazole EC and 60g / L metconazole water emulsion were diluted by 2800 times and 800 times respectively in the same way. After 14 days, the control effects were 73.8% and 70.2% respectively.

[0101] In this embod...

Embodiment 348

[0102] Example 348% imidazole metconazole microemulsion control efficacy test of apple spot defoliation

[0103] Imidazole 40%, Meconazole 8%, Acetone 10%, Nongru 600# 8%, Isobutanol 5%, Hydroxyethyl Cellulose 2%, Sodium Sorbate 2%, Silicone Defoamer 0.5% , deionized water was added to 100%, mixed to prepare 48% imidazole metconazole microemulsion. 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 application, the effects of preventing and treating apple spot defoliation were 90.3% and 95.3%, respectively. The 15% imidazole wettable powder and 60g / L metconazole water emulsion were diluted 2000 times and 600 times respectively in the same way. , the control effects were 66.3% and 73.4% respectively 14 days after the drug.

[0104] In this embo...

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Abstract

The invention discloses a bactericidal composition containing metconazole and one of triazole bactericides including difenoconazole, imibenconazole, myclobutanil, penconazole, triticonazole and ipconazole, wherein the ratio of two active components in the bactericidal composition is (80:1)-(1:80). The bactericidal composition provided by the invention comprises at least one surfactant for facilitating the dispersion of the active components in water during application, has the activities for protection, treatment and bacterial elimination, and can be applied to various crops, such as wheat, rice, vegetables, fruit trees and the like, for controlling various plant diseases induced 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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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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