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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 8, Special Issue 2 (2019)

Defence responses of moderately resistant and susceptible rice varieties induced by rice root knot nematode, <em>Meloidogyne graminicola</em>

Author(s):

Shanmuga Priya M and S Subramanian

Abstract:
A pot culture experiment was carried out to quantify the induction of defence enzyme <em>viz</em>., peroxidase (PO), polyphenoloxidase (PPO) and Phenylalanine ammonialyase (PAL) in response to infection by <em>M. graminicola</em> with moderately resistant rice varieties (ADT 41, ADT 45, TRY 1, TPS 3, Swarna and GEB 24) and susceptible varieties (Co 47, Pusa Basmathi, ASD 19, Co 43, Co 2 and Co 19). Total phenol and defence enzymes <em>viz</em>., peroxidase, polyphenol oxidase and phenylalanine ammonialyase induction were found to be higher in <em>M. graminicola</em> infested moderately resistant varieties. The susceptible varieties infested by the root knot nematode showed reduction in total phenols, PO, PPO and PAL activity.

Pages: 553-556  |  930 Views  229 Downloads

How to cite this article:
Shanmuga Priya M and S Subramanian. Defence responses of moderately resistant and susceptible rice varieties induced by rice root knot nematode, <em>Meloidogyne graminicola</em>. J Pharmacogn Phytochem 2019;8(2S):553-556.

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