Pretreatment Reagents for Hyacinthus Root Tip and Karyotype Analysis Role of Exogenous Hormones in Inducing Cells in different Positions of Perianth Explants to Regenerate Flower Buds in Hyacinthus orientalis Cytological Observations on Microsporogenesis and Pollen Development of Regenerated Stamen in Hyacinth Isolation,Screening and Activity Detection of an Endophytic Fungus Resistance to Penicillin in Hyacinthus orientalis L Expression Analysis of Ovule Identity Gene homads1 During in Vitro Flowering of Hyacinthus orientalis L. Anthocyanin Profiles in Petals of Different Hyacinthus orientalis Cytological Observation on Megasporogenesis and Embryo Sac Development of Regenerated Ovule in Hyacinth Effects of Temperature on Induction of Regenerative Stamens in vitro Culture, Microsporogenesis and Pollen Development in Hyacinthus orientalis L. Anthocyanin Profiles in Petals of Different Hyacinthus orientalis Induction of Continuous Tepal Differentiation from in Vitro Regenerated Flower Buds of Hyacinthus orientalis The Exogenous Hormornal Control of the Development of Regenerated Flower Buds in Hyacinthus orientalis Expression Analysis of Ovule Identity Gene homads1 During in Vitro Flowering of Hyacinthus orientalis L.