Effect of boundary layer conductance on the response of stomata to humidity
作者： J. A. BUNCE
DOI: 10.1111/J.1365-3040.1985.TB01209.X
关键词:
摘要: Abstract. Leaf conductance responses to leaf air water vapour partial pressure difference (VPD) have been measured at speeds of 0.5 and 3.0 ms−1 in single attached leaves three species order test the hypothesis that response VPD is controlled by evaporation from outer surface epidermis, rather than through stomata. Total decreased linearly with increassing both speeds, but was 1.6 times as much a given incrase high low speed. depending on species. In all relationship between gradient for epidermis same values boundary layer conductance, supporting direct epidermal controls stomatal guard cell behaviour stomata these
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