Fig. 1

Germination of YZX and 02428 in aerobic and anaerobic environments at 30 °C. a germination of YZX and 02428 at 0–4 d. Simultaneously, two switching experiments were conducted: A3dAN1d, wherein seeds cultured in an aerobic environment for 3 days were transferred to a submerged environment for 1 day, and AN3dA1d, wherein seeds cultured in a submerged environment for 3 days were transferred to an aerobic environment for 1 day. Dry indicates dry seeds at zero days of germination. b survival rate of YZX and 02428 after aerobic and anaerobic 4 d treatment, c, YZX and 02428 in aerobic and anaerobic treatment of 0–4 d changes in the length of the coleoptile. *p < 0.05