The activities of Mg~(2+)--ATPase and Ca~(2+)--ATPase in leaves of 9 sugarcanegenotypes were closely related to early maturity and high sugar content.

• 不同基因型甘蔗叶片中的Mg~(2+)-ATP酶和Ca~(2+)-ATP酶活性与早熟高糖特性有密切的联系。