Effect of NaCl and PEG 6000 on germination and seedling growth of rice (ryza sativa L.)
- 1 January 1985
- journal article
- Published by Institute of Experimental Botany in Biologia plantarum
- Vol. 27 (1) , 65-69
- https://doi.org/10.1007/bf02894635
Abstract
Germination and seedling growth of rice was studied in NaCl and PEG 6000 solutions having osmotic potentials −0.2, −0.4, −0.6 and −0.8 MPa. At isoosmotic concentrations, the NaCl proved more harmful to germination, seedling growth, per cent moisture content of seedling organs as well as mobilization of food matter from seed to the growing seedlings. This fact suggested that in rice, at least in the early stage, a specific ion effect rather than osmotic effect is the prime cause of salt injury. Compared to susceptible cultivar, the tolerant one was less inhibited by salinity.Keywords
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