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Role of polyphenol oxidase, peroxidase and total phenol content in differential resistance of Dioscorea species to Fusarium moniliforme

Indian Agricultural Research Journals

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Title Role of polyphenol oxidase, peroxidase and total phenol content in differential resistance of Dioscorea species to Fusarium moniliforme
 
Creator YUBEDEE, A G
 
Subject varietal resistance, Dioscorea spp, phenolic compound
 
Description An experiment was conducted to find out the possible relationship between phenolic contents and peroxidaseactivities of different Dioscorea spp to Fusarium moniliforme Sheldon. Dioscorea cayenensis Lam and D. dumelorum(Knuth) Pax had very high content of polyphenol oxidase. peroxidase and total phenol was resistant to F moniliforme.D. rolundata Pair, D. alata L. and D. esculenta (Lour) Burk had low contents of polyphenol oxidase, peroxidase andtotal phenol contents and were susceptible to F moniliforme. Phenolic contents and peroxidase activities decreased withincrease in the age of yam tubers with the increase in rate of of infection. There was a sharp rise in the amount ofphenolic compounds and peroxidase activities at the start of the infection. They later dropped as the infection progressed.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-02-25
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/27723
 
Source The Indian Journal of Agricultural Sciences; Vol 68, No 10 (1998)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/27723/12583
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences