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Effects of trans-2-hexenal and cis-3-hexenal on post-harvest strawberry.


ABSTRACT: Green leaf volatiles are emitted by green plants and induce defence responses. Those with antifungal activities in plants may replace chemicals as natural post-harvest treatments. We investigated the postharvest treatment of strawberry with trans-2-hexenal and cis-3-hexenal and observed a decrease in the mould infection rate. To determine the volatiles' functions, we conducted a component analysis of the volatiles released from trans-2-hexenal-treated strawberry and analysed gene expression. Several acetates, which were expected to be metabolites of trans-2-hexenal in fruit, were released from treated strawberry; however, these acetates did not inhibit fungal growth. The gene expression analysis suggested that postharvest strawberries were not protected by jasmonic acid-mediated signalling but by another stress-related protein. Harvested strawberries experience stress induced by harvest-related injuries and are unable to perform photosynthesis, which might result in different responses than in normal plants.

SUBMITTER: Wakai J 

PROVIDER: S-EPMC6626038 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Effects of trans-2-hexenal and cis-3-hexenal on post-harvest strawberry.

Wakai Junko J   Kusama Shoko S   Nakajima Kosuke K   Kawai Shikiho S   Okumura Yasuaki Y   Shiojiri Kaori K  

Scientific reports 20190712 1


Green leaf volatiles are emitted by green plants and induce defence responses. Those with antifungal activities in plants may replace chemicals as natural post-harvest treatments. We investigated the postharvest treatment of strawberry with trans-2-hexenal and cis-3-hexenal and observed a decrease in the mould infection rate. To determine the volatiles' functions, we conducted a component analysis of the volatiles released from trans-2-hexenal-treated strawberry and analysed gene expression. Sev  ...[more]

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