Article
Xylem embolism and drought-induced stomatal closure in maize.
Planta - 1 Jul 2002
Cochard Hervé
Abstract excerpt
Water relations during drought and xylem vulnerability to embolism were studied on four maize ( Zea mays L.) genotypes having contrasting grain yields under drought conditions. Drought provoked a drop in xylem pressure, leaf water potential and whole-plant transpiration. Transpiration was reduced to a minimum value when xylem pressures reached ca. -1.6 MPa. This value corresponded to the threshold xylem pressure...
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