A Preliminary Report on Introducing Lily Cultivars Research Advance in Relationship between Ethylene and Vase Life of Cut Lily Flowers Advances in Researches on Bulb Development of Lilium spp. and Its Physiological Mechanisms Advances in Researches on Bulb Development of Lilium spp. and Its Physiological Mechanisms Three Coat Protein Gene-Mediated Resistance to Lily Viral Diseases Establishment of Cell Suspension Culture and Plantlet Regeneration of Lilium regale Study on Factors Influence Somatic Embryogenesis From Roots of Lilium spp. Establishment of Cell Suspension Culture and Plantlet Regeneration of Lilium regale Research Advance in Relationship between Ethylene and Vase Life of Cut Lily Flowers