Effect of chitosan on the induction of disease resistance against Colletotrichum sp. in mango (Mangifera indica L.) cv. Tommy Atkins
DOI:
https://doi.org/10.33064/iycuaa2015663565Keywords:
mango, chitosan, induction of disease resistance, peroxidase, Colletotrichum spAbstract
Mango is susceptible to a postharvest disease called anthracnose, caused by pathogen Colletotrichum sp. Chemical fungicides have been used against postharvest fungal diseases, but they cause damage to the environment. Chitosan shows antimicrobial properties, and induces resistance in plants highlighting the activity of some enzymes like peroxidase. The objective of this research was to evaluate the chitosan effect in the induction of resistance mechanism against Colletotrichum sp., in mango fruits. Chitosan inhibited spore germination, germ tube elongation, and mycelial growth of Colletotrichum sp. in vitro. For postharvest fruits the
chitosan at 1.0% and 1.5% Colletotrichum sp. was completely inhibited in fruits inoculated with the fungi.
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Copyright (c) 2015 Guillermo Berumen Varela, Leonardo Daniel Coronado Partida, Verónica Alhelí Ochoa Jiménez, Martina Alejandra Chacón López, Porfirio Gutiérrez Martínez
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