The changes in respiratory rate and in mitochondrial H + ATPase, Ca 2+ ATPase and H + PPase activities from the roots of two wheat ( Triticum aest iv um L.) cultivars, Altas 66 (Al tolerant)and Scout 66 (Al sensitive)were compa red un der aluminum stress.

• 比较了耐铝性不同的两品种小麦 Altas66和 Scout66根呼吸速率、线粒体 H+ - ATP酶、Ca2 + - ATP酶和焦磷酸酶活性变化。