
Keywords: نرخ تنفس; Car; carotenoid; Chl a; chlorophyll a; Chl b; chlorophyll b; Chl (aâ+âb); chlorophyll a+chlorophyll b; Ci/Ca; ratio of sub-stomatal to atmospheric CO2 concentrations; CK; control group; E; transpiration rate; GS; glutamine synthetase; gs; stomatal con