Effect of common bean seedling pretreatment with chlorocholine chloride on photosystem II tolerance to UV-B radiation, phytohormone content, and hydrogen peroxide content

Effect of common bean seedling pretreatment with chlorocholine chloride on photosystem II... In true leaves of common bean (Phaseolus vulgaris L., cv. Berbukskaya) 11-day-old seedlings, pretreatment with 1.6 mM chlorocholine chloride (CCC) resulted in the improved photosystem II (PSII) tolerance to UV-B radiation, an increase in the contents of cytokinins, ABA, and H2O2, but a decrease in the content of gibberellins. It is suggested that development of increased PSII tolerance to UV-B under the influence of CCC is partially related to the increase in the contents of ABA, cytokinins, and UV-absorbing pigments in the leaves of pretreated plants. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Effect of common bean seedling pretreatment with chlorocholine chloride on photosystem II tolerance to UV-B radiation, phytohormone content, and hydrogen peroxide content

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443711020087
Publisher site
See Article on Publisher Site

Abstract

In true leaves of common bean (Phaseolus vulgaris L., cv. Berbukskaya) 11-day-old seedlings, pretreatment with 1.6 mM chlorocholine chloride (CCC) resulted in the improved photosystem II (PSII) tolerance to UV-B radiation, an increase in the contents of cytokinins, ABA, and H2O2, but a decrease in the content of gibberellins. It is suggested that development of increased PSII tolerance to UV-B under the influence of CCC is partially related to the increase in the contents of ABA, cytokinins, and UV-absorbing pigments in the leaves of pretreated plants.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Mar 12, 2011

References

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