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Soil water status affects the stomatal conductance of fully turgid wheat and sunflower leaves

Title data

Gollan, Thomas ; Passioura, John B. ; Munns, Rana:
Soil water status affects the stomatal conductance of fully turgid wheat and sunflower leaves.
In: Australian Journal of Plant Physiology. Vol. 13 (1986) Issue 4 . - pp. 459-464.
ISSN 1445-4408
DOI: https://doi.org/10.1071/PP9860459

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
Mechanismen der Regulation von Stoffflüssen in ökologischen SystemenNo information

Project financing: Deutsche Forschungsgemeinschaft
Sonderforschungsbereich 137

Abstract in another language

Wheat and sunflower were grown in pots that could be enclosed in a pressure chamber, with the shoot in a cuvette. Applying an appropriate pneumatic pressure to the roots enabled the leaves to be kept fully turgid despite any drying of the soil. The leaf conductance of plants was followed while the soil dried. Remarkably, this conductance fell with falling soil water content no matter whether the leaves were kept fully turgid or not. It is concluded that the roots sensed the drying of the soil and sent a message to the leaves which induced stomatal closure.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER18885
Keywords: water stress; stomatal conductance; root-shoot-communication;
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Ecology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: No
DDC Subjects: 500 Science > 570 Life sciences, biology
500 Science > 580 Plants (Botany)
Date Deposited: 07 May 2015 06:59
Last Modified: 22 Feb 2016 08:44
URI: https://eref.uni-bayreuth.de/id/eprint/12729