Measurement of Leaf Hydraulic Conductance and Stomatal Conductance and Their Responses to Irradiance and Dehydration Using the Evaporative Flux Method (EFM)

Lawren Sack; Christine Scoffoni

doi:10.3791/4179

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Measurement of Leaf Hydraulic Conductance and Stomatal Conductance and Their Responses to Irradiance and Dehydration Using the Evaporative Flux Method (EFM)

JoVE Journal
Biology

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JoVE Journal Biology

Measurement of Leaf Hydraulic Conductance and Stomatal Conductance and Their Responses to Irradiance and Dehydration Using the Evaporative Flux Method (EFM)

36,604 Views

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12:11 min

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December 31, 2012

DOI:

10.3791/4179-v

DOI:

10.3791/4179-v

•

12:11 min

December 31, 2012

•

28 Views

Lawren Sack¹, Christine Scoffoni¹

¹University of California, Los Angeles

Summary

We describe a relatively rapid (30 min) and realistic method for simultaneously measurement of leaf hydraulic conductance (K_leaf) and stomatal conductance (g_s) for transpiring excised leaves. The method can be modified to measure the light and dehydration responses of K_leaf and g_s.

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Measurement of Leaf Hydraulic Conductance and Stomatal Conductance and Their Responses to Irradiance and Dehydration Using the Evaporative Flux Method (EFM)

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