Tissue Culture and Plant Regeneration of Dendranthema Morifolium
feng hui~1; wang jian hong~1; wang mao liang~1; shao jin li~1; fan qing wei~2(1.beijing institute of landscape and gardening; beijing 100102; china; 2.tonghua city gardeningengineering administration office of jilin province; tonghua jilin 134001; china)