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Time is on our side : the importance of considering a recovery period when assessing flooding tolerance in plants

Por: Striker, Gustavo Gabriel.
ISSN: 0912-3814.Tipo de material: Artículos y capítulos. Recurso electrónico.Tema(s): | FLOODING STRESS | RECOVERY PERIOD | ROOT RECOVERY | USE OF RESERVE CARBOHYDRATES | ADAPTATION | ASSESSMENT METHOD | CARBOHYDRATE | ENERGY EFFICIENCY | ENVIRONMENTAL MONITORING | ENVIRONMENTAL STRESS | FLOODING | GROWTH RESPONSE | PHYSIOLOGICAL RESPONSE | TOLERANCE | Recursos en línea: Haga clic para acceso en línea | LINK AL EDITOR. En: Ecological Research Vol.27, no.5 (2012), p.983-987Resumen: There is wide consensus about the significance of monitoring plant responses during flooding when evaluating specific tolerance. Nonetheless, plant recovery once water recedes has often been overlooked. This note highlights the importance of registering plant performance during a recovery phase. Two opposite types of plant growth responses, during and after flooding, are discussed. It is shown that an apparently poor performance during flooding does not necessarily involve a reduced tolerance, as plants can prioritize saving energy and carbohydrates for later resumption of vigorous growth during recovery. Conversely, maintenance of positive plant growth during flooding can imply extensive depletion of reserves, consequently constraining future plant growth. Therefore, to accurately estimate real tolerance to this stress, plant performance should be appraised during both flooding and recovery periods.
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There is wide consensus about the significance of monitoring plant responses during flooding when evaluating specific tolerance. Nonetheless, plant recovery once water recedes has often been overlooked. This note highlights the importance of registering plant performance during a recovery phase. Two opposite types of plant growth responses, during and after flooding, are discussed. It is shown that an apparently poor performance during flooding does not necessarily involve a reduced tolerance, as plants can prioritize saving energy and carbohydrates for later resumption of vigorous growth during recovery. Conversely, maintenance of positive plant growth during flooding can imply extensive depletion of reserves, consequently constraining future plant growth. Therefore, to accurately estimate real tolerance to this stress, plant performance should be appraised during both flooding and recovery periods.

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