Fig. 1

Plant morphology, leaf color and pigment content of of CCMC and yl. a Phenotype of CCMC (left) and yl (right) in at the cotyledon stage. Scale bar, 5.5 cm. b Color of the top three leaves collected from yl (up) and CCMC (down) plants shown in c. Scale bar, 4 cm. c The whole plant phenotype of CCMC (left, scale bar, 15 cm.) and yl (right, scale bar, 12 cm.) at the vegetative stage. d Pigments contents in fresh leaves between CCMC and yl in the top three position leaves. Error bars indicate the standard error. * and ** P < 0.05 and P < 0.01, respectively (Multiple t-test)