Loading content, please wait..
loading..
Logo
Version 3.24
or
Publication Type J
Authors Rozema, J., J. Debruin and R. A. Broekman
Title Effect of Boron on the Growth and Mineral Economy of Some Halophytes and Non-Halophytes
Source New Phytologist
Author Keywords boron; halophytes; boron resistance; boron toxicity; boron tolerance plants; roots
Abstract Growth of halophytes in nutrient solutions with increasing boron concentrations was less reduced than that of some non-halophytes. Boron (B) concentrations occurring in sea water (0.350 mol m-3 B) depressed growth of glycophytic plant species strongly, while growth of halophytes did not significantly differ from that under control conditions (Hoagland's nutrient solution containing 0.025 mol m-3 B). With increasing boron concentrations in the medium, the total boron concentrations in the shoot tissue increased up to 35-mu-mol B g-1 d. wt (350 mg kg-1 B d. wt basis) in the non-halophytic species and were lower in most of the halophytic species examined. Sodium chloride (200 mol m-3) in the culture medium depressed the total B content of the shoot in the halophytic species. In most halophytic species, the water-insoluble B fraction in the shoot and root tissue was higher than in the non-halophytic species tested with the exception of Phaseolus vulgaris. When the plants were grown in culture solution containing 200 mol m-3 NaCl, the ratio of insoluble: total B in shoot and root tissue increased. The resistance of halophytes to excess B and the possible detoxification of excess borate by complexation, either with cis-diol groups of carboxyl groups in the cell walls or with dissolved compounds such as sorbitol in the halophytic Plantago maritima is discussed. The mechanism by which B tolerance in the halophytes might be accomplished is also discussed.
Author Address ROZEMA, J, FREE UNIV AMSTERDAM,DEPT ECOL & ECOTOXICOL,DE BOELELAAN 1087,1081 HV AMSTERDAM,NETHERLANDS.
29-Character Source Abbreviation New Phytol.
Publication Date Jun
Year Published 1992
Volume 121
Issue 2
Beginning Page 249-256
Unique Article Identifier ISI:A1992JA40800011
Plants associated with this reference

LEGAL NOTICES — This website is protected by Copyright © The University of Sussex, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022. The eHALOPH database is protected by Database Right and Copyright © The University of Sussex and other contributors, 2006, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022. This database is based on an earlier work by James Aronson.
THIS WEBSITE AND THIS DATABASE ARE PROVIDED ON AN "AS IS" BASIS, AND YOU USE THEM AND RELY ON THEM AT YOUR OWN RISK.

Contact email: halophytes@sussex.ac.uk
Credits – Tim Flowers, Joaquim Santos, Moritz Jahns, Brian Warburton, Peter Reed