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Glycinebetaine accumulation and varietal adaptability to salinity as a potential metabolic measure of salt tolerance in rice



Glycinebetaine accumulation and varietal adaptability to salinity as a potential metabolic measure of salt tolerance in rice



Current Science 57(5): 259-261



Seeds of 9 varieties, AU1, Co43, CSC1 (salt resistant), Co36, CSC2, GR3, IR20, TKM4 and TKM9 (salt sensitive) were grown in pots and watered once a week with saline solution (EC 10 mmhos/cm). The shoot system was harvested at 2, 4 and 6 weeks and quaternary ammonium compound (QAC) and glycinebetaine compound estimated in the 3rd leaf from the top. A salinity index (SI) was calculated: grain yield of treated plants/grain yield of control x 100.

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