Table 1.

The number of seeds per pod for the self- and cross-pollination between the four high-SNPP and five low-SNPP lines.

Line combinations (H–L)	H×H	H×L	L×L	L×H	Experiment code
No. 02395–No. 73290	24.2 ± 0.2c	16.6 ± 0.6b	7.7 ± 0.6a	8.1 ± 1.3a	W14, W15
No. 02395–No. 93237	24.8 ± 0.6d	16.8 ± 1.6b	11.3 ± 1.1a	19.4 ± 0.3c	W14, W15
No. 02395–Campina	23.4 ± 1.9c	17.3 ± 2.1b	8.9 ± 0.4a	9.4 ± 0.1a	W14, W15
No. 02395–No. 96016	24.8 ± 0.7d	17.2 ± 0.3c	7.2 ± 0.4a	12.7 ± 0.5b	W14, W15
No. 02395–No. 4531	23.7 ± 1.6c	15.4 ± 0.6b	7.4 ± 1.8a	8.5 ± 0.6a	W14, W15
SWU63–No. 73290	20.7 ± 0.1b	21.1 ± 0.7b	8.5 ± 0.5a	7.0 ± 1.0a	W14
SWU63–No. 93237	21.5 ± 0.8c	16.6 ± 0.9b	11.4 ± 1.4a	9.5 ± 0.6a	W14
SWU63–Campina	21.3 ± 0.1c	12.3 ± 0.5ab	11.5 ± 0.6a	11.3 ± 1.5a	W14
SWU63–No. 96016	21.1 ± 1.5c	20.6 ± 0.4c	7.5 ± 0.5a	9.5 ± 1.0ab	W14
SWU63–No. 4531	20.4 ± 0.5cd	18.5 ± 2.1c	7.3 ± 2.6a	9.2 ± 1.4ab	W14
WH85–No. 73290	25.3 ± 3.0c	28.4 ± 2.0d	11.1 ± 1.2ab	9.5 ± 1.1a	W14
WH85–No. 93237	24.1 ± 2.6c	24.1 ± 1.1c	11.7 ± 0.6a	18.7 ± 1.2b	W14
WH85–Campina	25.4 ± 1.0c	18.5 ± 1.6b	11.9 ± 0.9a	12.1 ± 0.4a	W14
WH85–No. 96016	25.0 ± 1.2c	15.2 ± 0.5b	7.8 ± 2.0a	7.6 ± 0.6a	W14
WH85–No. 4531	22.1 ± 3.6b	22.5 ± 0.4b	8.1 ± 1.4a	7.7 ± 1.4a	W14
Zhongshuang11–No. 73290	21.2 ± 0.6b	20.7 ± 1.6b	10.5 ± 0.8a	10.4 ± 0.4a	W14
Zhongshuang11–No. 93237	20.1 ± 0.5d	17.7 ± 1.4c	12.4 ± 1.4a	14.6 ± 0.6b	W14
Zhongshuang11–Campina	21.5 ± 0.2c	10.9 ± 0.9b	8.1 ± 0.1a	7.8 ± 0.8a	W14
Zhongshuang11–No. 96016	21.2 ± 1.7d	14.5 ± 3.3c	7.5 ± 2.1a	9.4 ± 1.1ab	W14
Zhongshuang11–No. 4531	21.0 ± 0.6d	19.0 ± 0.8c	7.9 ± 1.8a	9.5 ± 1.3ab	W14

“H” and “L,” respectively, denote the two types of high- and low-SNPP lines. The same lowercase letter in the same row indicates no significant difference at 0.05 probability level.