Participation of Plant Hormones in Growth Resumption of Wheat Shoots Following Short-Term NaCl Treatment

Participation of Plant Hormones in Growth Resumption of Wheat Shoots Following Short-Term NaCl... The effects of sodium-chloride salinity on the leaf elongation rate, transpiration rate, cell sap osmolality, and phytohormone content in 7-day-old shoots of durum wheat (Triticum durum L.) were studied. Leaf growth was suppressed under the salinity stress and resumed 1 h after NaCl removal. The resumption of leaf growth coincided with a decrease in the transpiration rate due to the rapid ABA accumulation in the differentiation leaf zone. The increased IAA concentration in the growing leaf zone promoted the formation of the attraction signal. The authors concluded that the changes in phytohormonal status in wheat plants occurred already following short-term (up to 1 h) salinity and were directed to the maintenance of plant growth under these conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Participation of Plant Hormones in Growth Resumption of Wheat Shoots Following Short-Term NaCl Treatment

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK "Nauka/Interperiodica"
Subject
Life Sciences; Plant Sciences; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1007/s11183-005-0116-4
Publisher site
See Article on Publisher Site

Abstract

The effects of sodium-chloride salinity on the leaf elongation rate, transpiration rate, cell sap osmolality, and phytohormone content in 7-day-old shoots of durum wheat (Triticum durum L.) were studied. Leaf growth was suppressed under the salinity stress and resumed 1 h after NaCl removal. The resumption of leaf growth coincided with a decrease in the transpiration rate due to the rapid ABA accumulation in the differentiation leaf zone. The increased IAA concentration in the growing leaf zone promoted the formation of the attraction signal. The authors concluded that the changes in phytohormonal status in wheat plants occurred already following short-term (up to 1 h) salinity and were directed to the maintenance of plant growth under these conditions.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Nov 15, 2005

References

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