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Mechanisms of action of the yeast Debaryomyces nepalensis for control of the pathogen Colletotrichum gloeosporioides in mango fruit

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Abstract The yeast Debaryomyces nepalensis was evaluated for effectiveness against Colletotrichum gloeosporioides in mangoes (Mangifera indica L.) cv. ‘Tainong No. 1’, and possible mechanisms of action involved in the inhibition… Click to show full abstract

Abstract The yeast Debaryomyces nepalensis was evaluated for effectiveness against Colletotrichum gloeosporioides in mangoes (Mangifera indica L.) cv. ‘Tainong No. 1’, and possible mechanisms of action involved in the inhibition were identified. The results showed that D. nepalensis could survive in mango wounds and produce a hydrolytic enzyme (β-1,3-glucanase). Scanning electron microscopy showed that the yeast produced biofilms on the mango surface and yeast cells attached to each other and became embedded in the pathogen hyphal walls. In addition, D. nepalensis competed for nutrients (FeCl3) and competed for space with the pathogen (p

Keywords: pathogen; colletotrichum gloeosporioides; mechanisms action; yeast debaryomyces; debaryomyces nepalensis; yeast

Journal Title: Biological Control
Year Published: 2018

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