Fig. 4From: Comparative Transcriptome Combined with Morphophysiological Analyses Revealed Carotenoid Biosynthesis for Differential Chilling Tolerance in Two Contrasting Rice (Oryza sativa L.) GenotypesThe fluorescence parameters in seedling leaves of two genotypes at 17 and 26 °C during greening process. a F0. b Fv/Fm. c Fm. d ΦPSII. Values are means ± SD (three independent biological replicates for each sample and three technical replicates for each biological replicate). Different letters above the bars represent significant differences at p < 0.05Back to article page