Keep in touch: the soil-root hydraulic continuum and its role in drought resistance in crops
Pablo Affortit1, Mutez Ali Ahmed2, Alexandre Grondin1
1DIADE, IRD, CIRAD, Université de Montpellier, Montpellier, France.
Abstract:
Drought is a major threat to food security worldwide. Recently, the root-soil interface has emerged as a major site of hydraulic resistance during water stress. Here, we review the impact of soil drying on whole-plant hydraulics and discuss mechanisms by which plants can adapt by modifying the properties of the rhizosphere either directly or through interactions with the soil microbiome.
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