Floodwater Depth Causes Different Physiological Responses During Post-flooding in Willows.

Frontiers in Plant Science
Irina MozoVirginia M C Luquez

Abstract

Willows are widely planted in areas under risk of flooding. The physiological responses of willows to flooding have been characterized, but little is known about their responses during the post-flooding period. After the end of the stress episode, plants may modify some traits to compensate for the biomass loss during flooding. The aim of this work was to analyze the post-flooding physiological responses of willow under two different depths of stagnant floodwater. Cuttings of Salix matsudana NZ692 clone were planted in pots in a greenhouse. The experiment started when the plants were 2 months old with the following treatments: Control plants (watered to field capacity); plants partially flooded 10 cm above soil level (F10) and plants partially flooded 40 cm above soil level (F40). The flooding episode lasted 35 days and was followed by a recovery period of 28 days (post-flooding period). After the flooding period, height, diameter and total biomass were higher in F10, while F40 plants showed an increase in plant adventitious root production and leaf nitrogen content. During the post-flooding period, the photosynthetic rate, nitrogen, chlorophyll and soluble sugar contents were significantly higher in leaves of F40 than in Contr...Continue Reading

References

Mar 21, 2006·Journal of Plant Physiology·Shuwen LiF Douglas Shields
Apr 12, 2013·Plant Biology·L A C J Voesenek, R Sasidharan
Mar 13, 2014·Plant, Cell & Environment·Jürgen Kreuzwieser, Heinz Rennenberg
Jan 13, 2015·The New Phytologist·Laurentius A C J Voesenek, Julia Bailey-Serres
Dec 25, 2015·Plant Physiology·Bianka Steffens, Amanda Rasmussen
Apr 11, 2019·Frontiers in Plant Science·Takeshi FukaoJulián Mario Peña-Castro
Dec 21, 2019·Tree Physiology·María E RodríguezVirginia M C Luquez

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