Fig. 2

Principal component analysis biplot of measured traits using best linear unbiased estimates (BLUEs). HI, harvest index; GY, grain yield; GN, Grain number m−2; FE, fruiting efficiency; TGW, thousand grain weight. E1_C18, E1_Q17, E1_Q18, E1_Combined refers to Citra 2018, Quincy 2017, Quincy 2018, and combined dataset respectively for experiment I