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Pak. J. Bot., 45(6): 1975-1979, 2013. |
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Updated: 12-11-13 | ||||
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SOME PHYSIOLOGICAL ATTRIBUTES OF DIMORPHIC SEEDS OF HALOPYRUM MUCRONATUM (L.) STAPF
ZAMIN SHAHEED SIDDIQUI* AND M. AJMAL KHAN
Abstract: Halopyrum mucronatum have dimorphic seeds and referred to as black and brown seeds. Black seeds when soaked in either non-saline or saline medium, showed lesser solute leakage in comparison to brown seeds. Amylase extracted from black seeds had optimum performance in acidic pH, high temperature and ability of early substrate utilization. Results are discussed in relation to physiological attributes of seeds produced in different seasons and their habitat in response to salinity.
Institute of Sustainable Halophyte Utilization, Department of Botany, University of Karachi, Karachi 75270, Pakistan *Corresponding author’s e-mail: zaminss@uok.edu.pk |
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