Studies on Germplasm Conservation of Lily ( Lilium L. ) by Restricting Growth Method Conservation of Pineapple Germplasm in vitro In vitro Conservation of Chrysanthemum ‘Jinba‘ and Genetic Stability of Regenerated Plantlets Research progress on stress response and conservation of Jerusalem artichoke (Helianthus tuberous L.) germplasm In vitro conservation of Impatiens mengtzeana Slow Growth Conservation of Pinellia ternata and Its Somatic Variation as Detected by ISSR Markers Studies on Germplasm Conservation of Lily ( Lilium L. ) by Restricting Growth Method Preliminary Study on In vitro Conservation of Dioscorea bulbifera L. Virus-free Plantlet Germplasm and its Genetic Stability and Virus Change Research Progress on In Vitro Conservation of Carnation(Dianthus caryophyllus L.) Germplasm Rapid Propagation and Germplasm Conservation in vitro of Artemisia annua L.