Pak. J. Bot., 41(5): 2639-2644, 2009. | Back to Contents | ||||
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Updated: 26-11-09 | ||||
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Effect of dIsInfectants In ImprovIng seed germInatIon of suaeda frutIcosa under salIne condItIons
ABDUL HAMEED, MUHAMMAD ZAHEER AHMED, SALMAN GULZAR AND M. AJMAL KHAN*
Abstract: This research examines the possible role of two commonly used disinfectants viz., hydrogen peroxide (H2O2) and sodium hypochlorite (NaOCl) in improving seed germination and rate of germination of a subtropical cash crop halophyte, Suaeda fruticosa under saline conditions. Brief seed pretreatment with H2O2 (0.34%) and NaOCl (2%) had the following effects in various salinity (0, 100, 200, 300 and 400 mM NaCl) and temperature (10/20, 15/25, 20/30 and 25/35oC) regimes. H2O2 ameliorated seed germination and rate of germination at moderate (15/25 and 20/30oC) temperatures while NaOCl was effective at all temperature regimes up to 200 mM NaCl. Seed pretreatment with H2O2 and NaOCl prior to seeding could increase emergence, which may help in mass propagation of S. fruticosa.
Institute of Sustainable Halophyte Utilization, University of Karachi, Karachi-75270, Pakistan |
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