Compared with CK, the promotion effect of exogenous calcium ions on pollen germination rate is not significant at 0-6mmol/L, indicating that exogenous calcium ions are not essential for iris germination,
Compared with CK, the effect of exogenous calcium ion on pollen germination rate was not obvious at 0~6mmol/L, which indicated that exogenous calcium ion was not necessary for iris germination.