Another View of Gas Exchange Model: Reflection of Leaf Surface Air to Stomatal Conductance

Abstract:

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A reflection function was established, based on leaf gas exchange process and tested with experimental data of eight kinds of plants, i.e. tomato, muskmelon, capsicum, maize, grape, onion, Haloxylon Ammodendron Bunge and Caragana Karshiskii Kom, with multifarious biological characteristic, water and growing status. The function indicated that the leaf stomatal conductance could be linearly reflected by the ratio of humidity and CO2 concentration at leaf surface, and the behaviour of its slope could be recognized as an indicator of leaf gas exchange efficiency, which had a negative relationship with leaf water use efficiency (WUE). The results maybe increase our understanding of potential influences of leaf stomatal conductance on photosynthetic and transpiration gas exchange and leaf WUE.

Info:

Periodical:

Advanced Materials Research (Volumes 113-116)

Edited by:

Zhenyu Du and X.B Sun

Pages:

14-17

DOI:

10.4028/www.scientific.net/AMR.113-116.14

Citation:

M. Hu et al., "Another View of Gas Exchange Model: Reflection of Leaf Surface Air to Stomatal Conductance", Advanced Materials Research, Vols. 113-116, pp. 14-17, 2010

Online since:

June 2010

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Price:

$35.00

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