Fig. 1
Phenotypic characteristics of the F1 hybrid An’nong 591 and its parental lines. a and b Phenotypes of the F1 hybrid and its parental lines in response to heat stress for 2 d. c, d and e Relative water content, relative electrolyte leakage, and malondialdehyde content in the F1 hybrid and its parental lines under control and heat treatment conditions. f Dry weight of 15 individual seedlings per genotype at 14 d after planting. Data represent mean values ± SD. ** indicates significant differences compared with the maternal line CB25 under the same conditions (P < 0.01)