Fig. 1

Phenotypic characteristics of the slc1 mutant and measurement of leaf photosynthetic parameters in the wild type (WT) and slc1 plants at the seedling stage. a Phenotypes of the wild type and slc1 plants at the second-leaf stage. Scale bar, 2 cm. b Leaf photosynthetic pigment contents of the WT and slc1 plants at the third-leaf stage. Chl, chlorophyll; Car, carotenoid. c The net photosynthetic rate. d The stomatal conductance. e The intercellular CO₂ concentration. f The transpiration rate. Three biological replicates were performed. Error bars are SDs. The asterisks indicate statistical significance between the wild type and slc1 mutant, as determined by Student’s t-test (** P < 0.01)