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

journal contribution
posted on 2023-05-19, 16:53 authored by Tanios, S, Alieta EylesAlieta Eyles, Robert TeggRobert Tegg, Calum WilsonCalum Wilson
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.

History

Publication title

American Journal of Potato Research

Volume

95

Pagination

248-257

ISSN

1099-209X

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Potato Assoc Amer

Place of publication

Univ Maine, 5715 Coburn Hall, Rm 6, Orono, USA, Me, 04469-5715

Rights statement

Copyright The Potato Association of America

Repository Status

  • Restricted

Socio-economic Objectives

Fresh fruits and vegetables (post harvest)

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    University Of Tasmania

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