Table 1. Details of soybean materials used in this study.

Population name	Parents	Genotype of E1–E4	Origin	Number of individuals	FT1	PH2	BR3	Nodes4	Pods5
Y32	Daheiqi	e1-ase2E3HaE4	Liaoning Province, China	144	51 ± 1.8	87 ± 1.1	2 ± 1.0	21 ± 1.1	110 ± 1.7
	Pixian Ruantiaozhi	E1E2E3HaE4	Jiangsu Province, China		94 ± 1.4	98 ± 1.5	4 ± 1.4	23 ± 1.3	121 ± 1.5
Y133	Liaodou 15	E1e2E3HaE4	Liaoning Province, China	137	68 ± 2.0	79 ± 1.3	4 ± 1.2	24 ± 1.0	109 ± 1.6
	Jilin 35	e1-ase2E3HaE4	Jilin Province, China		53 ± 1.9	99 ± 1.8	2 ± 1.2	19 ± 1.5	118 ± 1.9
Y159	Xudou 9	E1E2E3HaE4	Jiangsu Province, China	140	87 ± 1.3	60 ± 1.7	3 ± 1.6	20 ± 1.6	115 ± 1.8
	Kenfeng 16	E1e2E3HaE4	Heilongjiang Province, China		54 ± 1.6	85 ± 1.2	1 ± 1.0	19 ± 1.3	124 ± 1.9

Notes:

¹Flowering time (FT), unit: days.

²Plant height (PH), unit: centimeters.

³Branch number (BR).

⁴Node numbers of main stem (Nodes).

⁵Pods per plant (Pods).