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Potato tuber greening: a review of predisposing factors, management and future challenges

Tanios, S, Eyles, A ORCID: 0000-0003-4432-6216, Tegg, R ORCID: 0000-0001-7668-7927 and Wilson, C ORCID: 0000-0001-5434-3816 2018 , 'Potato tuber greening: a review of predisposing factors, management and future challenges' , American Journal of Potato Research, vol. 95, no. 3 , pp. 248-257 , doi: 10.1007/s12230-018-9648-y.

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Abstract

Greening is a major cause of quality loss in potato tubers. As underground stems, potato tubers are non-photosynthetic plant organs that lack photosynthetic machinery. However, after light exposure, amyloplasts convert to chloroplasts in tuber peripheral cell layers, which cause the accumulation of the green photosynthetic pigment, chlorophyll. Tuber greening can be impacted by genetic, cultural, physiological and environmental factors including planting depth, tuber physiological age, temperature, atmospheric oxygen levels, and lighting conditions. Numerous studies have been devoted to understand and control this costly defect for the potato industry. This review brings together the available knowledge on light-induced greening, from causes to solutions and suggestions on further research with a focus on identifying the underlying mechanisms of tuber greening.

Item Type: Article
Authors/Creators:Tanios, S and Eyles, A and Tegg, R and Wilson, C
Keywords: chlorophyll, light, pre-harvest factors, post-harvest technology
Journal or Publication Title: American Journal of Potato Research
Publisher: Potato Assoc Amer
ISSN: 1099-209X
DOI / ID Number: 10.1007/s12230-018-9648-y
Copyright Information:

Copyright The Potato Association of America

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