Fig. 1From: Global transcriptional profiling between inbred parents and hybrids provides comprehensive insights into ear-length heterosis of maize (Zea mays)Phenotypic observations of maize ears from six parent-hybrid triplets. a Morphological comparisons of the young ears at the 13-leaf stage. Bar = 1 mm. b Phenotypic variations in the ears at the mature stage. Bar = 6 cmBack to article page