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Effect of Extract of Zanthoxylum bungeanum on Pathogen Inhibition and Activities of Antioxidative Enzyme of Monilinia fructicola in Peach(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年20期
Page:
129-132
Research Field:
Publishing date:

Info

Title:
Effect of Extract of Zanthoxylum bungeanum on Pathogen Inhibition and Activities of Antioxidative Enzyme of Monilinia fructicola in Peach
Author(s):
MO Xi-li; ZHAO Tong-gui; DENG Wei; WU Tong-lin; YANG Yun-cai; ZHAO Ying-wan
Department of Biological Engineering,Qianxinan National Vocational and Technical College，Xingyi，Guizhou 562400
Keywords:
Zanthoxylum bungeanum; Monilinia fructicola; phenylalanine ammoniumlyase(PAL); peroxidase(POD); polyphenol oxidase(PPO)
PACS:
S 436.6
DOI:
-
Abstract:
Taking extract of Zanthoxylum bungeanum as material，the mycelium growth rate method was used to test the inhibitory effect of extracts with different concentrations on Monilinia fructicola；the activities of phenylalanine ammoniumlyase(PAL)，peroxidease(POD）and polyphenol oxidase(PPO）induced by inoculation with extract were studied in peach.The results showed that the extract of Zanthoxylum bungeanum displayed strong antifungal activity to M.fructicola.When the concentration of extracts was 5.00 mg/mL，the inhibitory effect was best；the inhibitory rate was 96.71%.The EC50 value was 0.504 mg/mL.The activities of PAL，POD and PPO in peach increased significantly when inoculated with extract and M.fructicola，and maintained at a high level throughout the experiment.The extract of Zanthoxylum bungeanum had antifungal activity and exerted a potent impact on inducing resistance of peach to M.fructicola.

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Last Update: 2014-11-21