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| Abstract |
In an attempt to examine the effect of soil water potential (pF) on transpiration rate, leaf temperature of cucumber plants was measured under various conditions of soil water potential, and transpira...tion rate was calculated from heat balance of the leaf. Transpiration rate decreased with reduction in soil water potential; transpiration rate dropped at soil water potentials lower than pF 3.0. This fact suggests that the reduction in soil water potential restricts water uptake in roots and causes a decrease in leaf water potential, which results in lower transpiration rate through stomatal response to the leaf water potential.show more
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Export Mendeley
KJ00004506702