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NO content determination was performed accordingto Murphy andNoack(1994) with somemodifications.The fresh leaves (0.5g) were incubated with100 units of catalase and 100 units of superoxide dismutase for 5min to remove endogenous ROS beforeaddition of 5mL oxyhaemoglobin(5mM). After 2min incubation, NO concentrations were estimated byfollowing the conversion of oxyhaemoglobin to methaemoglobin spectropho- tometrically at577 and 591nm. ×îеÄÎÄÕÂÖÐÓÃÕâ¸ö·½·¨µÄºÜ¶à£¬±ÈÈçplant physiology,plantaµÈµÈ |
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