Thidiazuron induced physiological and biochemical changes in the process of dedifferentiation of Fritillaria ussuriensis CHANGES OF ANTI-OXIDATIVE ENZYMES ACTIVITIES AND PHYSIOLOGICAL PARAMETERS DURING SOMATIC EMBRYOGENESIS OF CHERRY TOMATO The effects of water stress on soluble protein content,the activity of SOD,POD and CAT of two ecotypes of reeds (Phragmites communis) QTL Analysis of Traits Relating to Cold Resistance of Zoysia japonica Effects of Root Restriction on Light-intercepting Capabilities and Some Physiological Characters in Young Trees of Different Nectarine Varieties Effects of different dose of sulfur fertilizer on photosynthetic characteristics and grain yield in winter wheat