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Mechanisms of resistance and susceptibility of mango fruits to fungal attack, and their modulation by post-harvest handling and storage
Year:
2009
Source of publication :
Acta Horticulturae
Authors :
Prusky, Dov
;
.
Volume :
820
Co-Authors:
Prusky, D., Department of Postharvest Science of Fresh Produce Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
Facilitators :
From page:
487
To page:
492
(
Total pages:
6
)
Abstract:
Abstract Colletotrichum gloeosporioides spores geminate on mango fruits and produce appressoria that also germinate and then become quiescent. The mechanism of resistance of unripe mango fruits to fungal attack is complex and several factors have been found to be involved in its expression. The presence of fungitoxic amounts of preformed antifungal compounds was correlated to fruit resistance. Resistance could also be induced by modulation of particular stages, such as the synthesis of the 5-substituted resorcinol during the postharvest period. This regulation can be done by the application of various elicitors as postharvest treatments and by means of synthetic elicitors. Induction of resistance seems to occur by a series of early events in which the pathogen and the host release reactive oxygen species. Resistance of mango fruits can also be affected by modulation of the secretion of specific pectolytic enzymes of the pathogen. The general understanding of the fruit biosynthetic pathways that lead to formation of preformed and inducible barriers, and of the modulation of pathogen virulence factors contributing to fungal colonization will provide the basis for novel mango fruit protection strategies that could lead to the reduction of pesticide use in the future.
Note:
Related Files :
Bacteria (microorganisms)
Colletotrichum
Disease control
Fruit resistance
Glomerella cingulata
Modulation of resistance
Postharvest diseases
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
Conference paper
;
.
Language:
English
Editors' remarks:
ID:
27505
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:31
Scientific Publication
Mechanisms of resistance and susceptibility of mango fruits to fungal attack, and their modulation by post-harvest handling and storage
820
Prusky, D., Department of Postharvest Science of Fresh Produce Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
Mechanisms of resistance and susceptibility of mango fruits to fungal attack, and their modulation by post-harvest handling and storage
Abstract Colletotrichum gloeosporioides spores geminate on mango fruits and produce appressoria that also germinate and then become quiescent. The mechanism of resistance of unripe mango fruits to fungal attack is complex and several factors have been found to be involved in its expression. The presence of fungitoxic amounts of preformed antifungal compounds was correlated to fruit resistance. Resistance could also be induced by modulation of particular stages, such as the synthesis of the 5-substituted resorcinol during the postharvest period. This regulation can be done by the application of various elicitors as postharvest treatments and by means of synthetic elicitors. Induction of resistance seems to occur by a series of early events in which the pathogen and the host release reactive oxygen species. Resistance of mango fruits can also be affected by modulation of the secretion of specific pectolytic enzymes of the pathogen. The general understanding of the fruit biosynthetic pathways that lead to formation of preformed and inducible barriers, and of the modulation of pathogen virulence factors contributing to fungal colonization will provide the basis for novel mango fruit protection strategies that could lead to the reduction of pesticide use in the future.
Scientific Publication
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