Sap flow index as an indicator of plant water status.

  title={Sap flow index as an indicator of plant water status.},
  journal={Tree physiology},
  volume={19 13},
Night and especially predawn tree water status is an important indicator of drought stress in trees. Leaf water potential (LWP) is frequently used as a measure of tree water status and hence drought stress; however, there are difficulties associated with sampling foliage from tall trees and determining LWP automatically. The current study was undertaken to determine whether sap flow index (SFI), which can be automatically and continuously recorded even during very low flows, can be used to… CONTINUE READING
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