Extended Data Figure 2: Selection of 17 representative hybrid combinations from 1,495 hybrids. | Nature
a, Plots of the first two principal components of 1,495 hybrids. The 17 representative hybrids are coloured in red. b, Plots of the principal component 3 and the principal component 4 of 1,495 hybrids. c, Plots of heading date and plant height of 1,495 hybrids. d, Plots of grain number and seed-setting rate of 1,495 hybrids.