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Publication Type J
Authors Fuzy, A., B. Biro, T. Toth, U. Hildebrandt and H. Bothe
Title Drought, but not salinity, determines the apparent effectiveness of halophytes colonized by arbuscular mycorrhizal fungi
Source Journal of Plant Physiology
Author Keywords drought stress halophytes and mycorrhiza mycorrhiza saft-affected soils SALT STRESS SOIL-SALINITY PLANTS SYMBIOSIS GROWTH ROOTS PROPAGULES TOLERANCE
Abstract The halophytes Plantago maritima, Aster tripolium, Artemisia santonicum, Puccinellia limosa, Festuca pseudovina and Lepidium crassifolium from two different saline soils of the Hungarian steppe were examined for colonization by arbuscular mycorrhizal fungi (AMF). The salt aster (A. tripolium) and the sea plantain (P. maritima) were examined more thoroughly by recording root colonization parameters, the salt content in the soil and monthly precipitations in 2001 and 2002. Mycorrhizal colonization was maximal in late spring to early summer and had a second peak later in the autumn. Arbuscule formation and overall mycorrhizal colonization appeared to be inversely correlated with the intensity of rainfall at the investigated sites. The results suggest that, in addition to seasonality, drought may play an important role in governing mycorrhizal activity in saline habitats. In greenhouse experiments, conditions in which AMF could overcome the inhibitory effects of sodium chloride on establishing plant-mycorrhizal symbiosis were not met. (c) 2007 Elsevier GmbH. All rights reserved.
Author Address Univ Cologne, Botan Inst, D-50923 Cologne, Germany. Univ Wurzburg, Julius von Sachs Inst Biowissensch, D-97082 Wurzburg, Germany. Hungarian Acad Sci, Res Inst Soil Sci & Agr Chem, H-1525 Budapest, Hungary. Bothe, H, Univ Cologne, Botan Inst, Gyrhofstr 15, D-50923 Cologne, Germany. Hermann.Bothe@uni-koeln.de
ISSN 0176-1617
ISBN 0176-1617
29-Character Source Abbreviation J. Plant Physiol.
Year Published 2008
Volume 165
Issue 11
Beginning Page 1181-1192
Digital Object Identifier (DOI) 10.1016/j.jplph.2007.08.010
Unique Article Identifier ISI:000258388300007
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