Studies on tissue culture and micropropogation of Bougainvillea glabra Callus Induction and Plant Regenera tion from Stem Segment of Bougainvilleaglabra Choisy Callus Induction and Plant Regenera tion from Stem Segment of Bougainvilleaglabra Choisy Effects of media temperature on rooting and leaf photosynthesis of Bougainvillea glabra cuttings Changes of Antioxidant Enzymes, Ethylene Production and Polyamines inBougainvillea glabra Isolation of NCED,the Key ABA Biosynthesis Gene and Its Function Analysis in Flowering Regulation of Bougainvillea glabra Changes of Antioxidant Enzymes, Ethylene Production and Polyamines inBougainvillea glabra Effects of Abscisic Acid on Flowering and Some Key Enzymes of Bougainvillea glabra Effects of Abscisic Acid on Flowering and Some Key Enzymes of Bougainvillea glabra