Vol. 42 No. 2 (2003)
Research Papers

Pathogen toxin-indiced electrolyte leakage and phytoalexin accumulation as indices of red-rot (Colletotrichum falcatum Went) resistance in sugarcane

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  • D. Mohanraj,
  • P. Padmanaban,
  • M. Karunakaran
DOI: https://doi.org/10.14601/Phytopathol_Mediterr-1706

Published 2003-08-01

How to Cite

[1]
D. Mohanraj, P. Padmanaban, and M. Karunakaran, “Pathogen toxin-indiced electrolyte leakage and phytoalexin accumulation as indices of red-rot (Colletotrichum falcatum Went) resistance in sugarcane”, Phytopathol. Mediterr., vol. 42, no. 2, pp. 129–134, Aug. 2003.

Copyright (c) 2003 D. Mohanraj, P. Padmanaban, M. Karunakaran

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This work is licensed under a Creative Commons Attribution 4.0 International License.

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Abstract

A phytotoxin produced by the sugarcane red-rot fungus Colletotrichum falcatum Went was partially purified. The phytotoxin caused increased electrolyte leakage in susceptible sugarcane varieties and higher levels of phytoalexins (3-deoxyanthocyanidins) in resistant sugarcane varieties. This relationship between phytotoxin induced changes and disease reaction could possibly be used as an additional index to rapidly identify red-rot resistant varieties.
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