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Harvesting fruit of equivalent chronological age and fruit position shows individual effects of UV radiation on aspects of the strawberry ripening process

Tsormpatsidis, E., Ordidge, M., Henbest, R. G. C., Wagstaffe, A., Battey, N. H. and Hadley, P. (2011) Harvesting fruit of equivalent chronological age and fruit position shows individual effects of UV radiation on aspects of the strawberry ripening process. Environmental and Experimental Botany, 74. pp. 178-185. ISSN 0098-8472

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To link to this article DOI: 10.1016/j.envexpbot.2011.05.017

Abstract/Summary

The effect of UV radiation on fruit secondary compounds of strawberry cv ‘Elsanta’ was recorded taking chronological age and fruit position on the truss into account. When fruit of similar age post-anthesis, and truss position were compared, we found that the concentration of secondary compounds differed according to fruit position on the truss. UV radiation hastened the rate of colour development and resulted in an increase in fruit anthocyanin (14–31%), flavonoid (9–21%) and phenolic (9–20%) contents at harvesting; but it had no effect on fruit soluble solid content, pH and volatile composition. It did, however, increase leaf flavonoid (16%) and phenolic (8%) concentrations. Fruit ripened under a UV transparent film were firmer, smaller but greater in number than fruit ripened under a UV opaque film. Overall, the results indicate that UV radiation does not affect all aspects of strawberry ripening but independently alters rate of colour development and fruit firmness

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Environmental Biology
ID Code:23428
Uncontrolled Keywords:UV radiation; Secondary products; Fruit quality; Strawberries; Colour development
Publisher:Elsevier

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