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  General relations of stomatal responses to xylem sap abscisic acid under stress in the rooting zone - A global perspective

Heilmeler, H., Schulze, E. D., Fan, J., & Hartung, W. (2007). General relations of stomatal responses to xylem sap abscisic acid under stress in the rooting zone - A global perspective. Flora, 202(8), 624-636. doi:10.1016/j.flora.2007.06.002.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000E-D519-D Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000E-D51A-B
Genre: Journal Article

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BGC1043.pdf (Publisher version), 640KB
 
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Heilmeler, H., Author
Schulze, E. D.1, Author           
Fan, J., Author
Hartung, W., Author
Affiliations:
1Department Biogeochemical Processes, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497751              

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Free keywords: Aba Irrigation Leaf conductance Plant functional types Plant life forms Stomatal sensitivity Field-grown maize Fluctuating environmental-conditions Plant chamaegigas-intrepidus Water-use efficiency Leaf conductance Aba concentration Drying soil Temperate forest Drought stress Carbon-dioxide
 Abstract: A sensitivity factor that quantifies the responsiveness of stomata to xylem sap abscisic acid concentration ([ABA](xy1)) is described, using the relation between [ABA](xy1) and maximum leaf conductance (g(max)). Plotting g(max) against this factor results in a common linear relationship for woody and herbaceous species from boreal to (semi-) and climates. The global distribution of the sensitivity factor reveals an unexpected pattern which is inverse to rainfall, i.e., plants in humid climates respond more sensitively to ABA than plants in arid areas. The implications for the response of natural vegetation and consequences for agriculture are discussed. (C) 2007 Elsevier GmbH. All rights reserved. [References: 66]

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 Dates: 2007
 Publication Status: Issued
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 Identifiers: DOI: 10.1016/j.flora.2007.06.002
Other: BGC1043
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Title: Flora
Source Genre: Journal
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Publ. Info: Jena : Urban & Fischer
Pages: - Volume / Issue: 202 (8) Sequence Number: - Start / End Page: 624 - 636 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/991042748163628
ISSN: 0367-2530