Changes in Micro-structure and Micro-area Elements of Post-transplantation Plantlets from Dendrobium huoshanense APD ANALYSIS OF GENETIC RELATIONSHIP OF STRAWBERRY CULTIVARS  AND ITS DIFFERENT SUBCULTURED PLANTLETS IN VITRO Research on Outer Bottle Rooting Technique of Fruit Seedling in Vitro with Filter-paper Bridge Effect of salicylic acid on several physiological and biochemical indications in tissue culture seedling of red date Analysis and comparison the nutrient compositions of fresh and dry tissue culture seedling Luohanguo Research on Outer Bottle Rooting Technique of Fruit Seedling in Vitro with Filter-paper Bridge Isozyme Patterns and RAPD Analysis of Apple Plantlets Repea tedly Subcultured in Vitro