Title: Induction of Phenol and Defence-Related Enzymes During Wilt (Fusarium udum Butler) Infestation in Pigeon Pea
Abstract: The present investigation was carried out on wilt (Fusarium udum Butler) resistant
(ICPL 87119, BDN 2) and susceptible (T15-15 & ICP 2376) genotypes of pigeon pea
at 0 day after infection (DAI), 1 DAI, 4 DAI and 7 DAI in infected and non-infected
tissues to identify some biochemical markers like phenol and enzymes
related to phenol metabolism viz., PPO and PAL for wilt resistant. The phenol
content increased 1 DAI to 4 DAI in leaves and root tissue and decreased later in
leaves tissue only during infection of wilt pathogen. The phenylalanine ammonium
lyase (PAL) and polyphenol oxidase (PPO) activity were highest in resistant
genotypes at all the stages. The root tissues recorded 5 to 10 fold higher PAL
activity than leaves in all genotypes.
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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Cited By Count: 4
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