Responses in suspension cultures of two ecotypes of reed (Phragmites communis) under osmotic stressII . Changes of the reactivity of anti-oxidative enzymes DNA Damage and Repair of Two Ecotypes of Phragmites communis Subjected to Water Stress 两种生态型芦苇胚性悬浮培养物对渗透胁迫的响应Ⅰ、生长及渗透调节物质的变化