Elymus canadensis and E. sibiricus are two species of eximious forage grasses which belong to Gramineae Triticeae Elymus and have important feeding and ecological value. Their seeds as materials were studied under natural and accelerated aging conditions.Their germination index,enzyme activity and the content of reserve substance were analyzed.The results as follows:
1 The relative germination rate and relative germination energy of seed declined as seed aging.
2 The conductivity of seed was obser...