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Typha domingensis (Pers.) (a potential grass candidate for bioenergy and heavy metal remediation) was selected to monitor the changes in seed germination under various salinity (0, 100, 200, 300, 400, and 500 mM NaCl), temperature (10o -20o , 15o -25o , 20o -30o , and 25o -35oC) and light (12:12-h dark: light and 24-h dark) regimes. Optimum seed germination (95%) was observed in non-saline control as well as 100 mM NaCl which decreased with further increase in salinity. Final seed germination was severely inhibited (above 300 mM NaCl. Rate of germination was similar to the germination percentage. Seeds showed 70 to 95% germination after recovery from saline conditions. Germination was substantially inhibited in the absence of light irrespective of salinity treatment when compared to 12 h photoperiod. Un-germinated seeds in dark showed radicle emergence when transferred to 12 h photoperiod. An improvement in germination was observed at warmer temperatures under saline conditions. All three factors (Salinity, Temperature and light) regulated seed germination in T. domingensis. In general, better germination responses in adequate light and moderately saline conditions
Rabab Fatima Rizvi, Zainul Abideen, Saman Ehsen, Irfan Aziz, Muhammad Zaheer Ahmed, Bilquees Gul, Muhammad Ajmal Khan. (2020) GERMINATION RESPONSES OF TYPHA DOMINGENSIS (PERS.) TO SALINITY, LIGHT AND TEMPERATURE, , Volume 17, Issue 2.
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