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Evaluation of models of leaf water 18O enrichment using measurements of spatial patterns of vein xylem water, leaf water and dry matter in maize leaves

Gan, K; Wong, Suan Chin; Yong, Jean; Farquhar, Graham


The effectiveness of several leaf water models ('string-of-lakes', 'desert river' and the Farquhar-Gan model) are evaluated in predicting the enrichment of leaf water along a maize leaf at different humidities. Progressive enrichment of both vein xylem water and leaf water was observed along the blade. At the tip, the maximum observed enrichment for the vein water was 17. 6‰ at 50% relative humidity (RH) whereas that for the leaf water was 50‰ at 34% RH and 19‰ at 75% RH. The observed leaf...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Plant Cell and Environment
DOI: 10.1046/j.1365-3040.2003.01070.x


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