This distributing change of Ca 2+ and Ca 2+ ATPase could be one of the reasons that induce roots to be destroyed under submergence stress.

• 淹水造成根尖细胞中 Ca2 +- ATP酶活性降低 ,胞质和核基质中 Ca2 +积累 ,将影响细胞的正常生理代谢活动