A Negative Hydraulic Message from Oxygen-Deficient Roots of Tomato Plants? (Influence of Soil Flooding on Leaf Water Potential, Leaf Expansion, and Synchrony between Stomatal Conductance and Root Hydraulic Conductivity).

Abstract

Four to 10 h of soil flooding delayed and suppressed the normal daily increase in root hydraulic conductance (Lp) in tomato (Lycopersicon esculentum Mill. cv Ailsa Craig) plants. The resulting short-term loss of synchrony between Lp and stomatal conductance decreased leaf water potential ([psi]L) relative to well-drained plants within 2 h. A decrease in… (More)

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