IJCRR - 4(21), November, 2012
Pages: 23-30
DEFENCE RESPONSE TRIGGERED BY SCLEROTIUM ROLFSII IN GROUNDNUT (ARACHIS HYPOGAEA L.) PLANTS
Author: M. Saraswathi, M.N.Reddy
Category: General Sciences
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Abstract:
Total phenols and ortho-dihydroxy phenols from healthy and Sclerotium rolfsii inoculated hypocotyls regions of groundnut plants were estimated at different stages of disease development after 10 days of inoculation. The contents of total phenol and ortho-dihydroxy phenols were increased throughout the sampling period of the disease compared to healthy plants. Phenylalanine ammonia lyase (PAL), Polyphenol oxidase (PPO) and Peroxidase (PEO) activities were also increased at different stages of disease development. The results showed that the changes in the levels of phenols, ortho-dihydroxy phenols and the enzymes like PAL, PPO and PEO form an important part in the resistance mechanism of the groundnut plants against infection with S.rolfsii.
Keywords: Sclerotium rolfsii, phenols, defence response, phenyl ammonia lyase, peroxidase, polyphenol oxidase, groundnut
Citation:
M. Saraswathi, M.N.Reddy. DEFENCE RESPONSE TRIGGERED BY SCLEROTIUM ROLFSII IN GROUNDNUT (ARACHIS HYPOGAEA L.) PLANTS International Journal of Current Research and Review. 4(21), November, 23-30
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