Fig. 1. Effects of the soybean pod-removal treatment on seed coat cracking in Harosoy, early-maturing isolines (Harosoy-T, Harosoy-e3, Harosoy-e4; upper), and late-maturing isolines (Harosoy-E1, Harosoy-E2, Harosoy-E5; lower). Cracking index (0, not cracked to 4, severely cracked), bars indicate standard error of the mean, numbers at each data point represent the number of seeds obtained from flowers exposed to treatment at a similar stage.