Abstract
It was investigated the effects of salinity on some physiological characters such as maximal photochemical efficiency of PSII (Fv/Fm), SPAD value and stomatal conductance and seed yield and yield components in Puccinellia ciliata B. For this purpose, 7 populations were subjected to salinity stress. Salinity applications to plants started when plants were at the ~4 week old, and continued until the end of the experiment. Seedlings were watered with 30 g/l NaCl solution. Physiological observations in plants were carried out at stem elongation stage. The response of populations to salinity shown significant differences for Fv/Fm and stomatal conductance, whereas SPAD values not affected. Population III exhibited longer plant height, higher number of grains per panicle, spikelet number per panicle, grain yield per plant in salinity conditions. Therefore, it was suggested to be used as a female parent in puccinellia breeding.
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