Effects of Different Antibiotics on Callus Growth of Saussurea involucrata Study on the Application of Hygromycin in Barley Genetic Transformation OPTIMIZATION OF TRANSFORMATION MEDIATED BY Agrobacterium IN Indica RICE Establishment of Agrobacterium-mediated Transformation in Phalaenopsis IN PLANTA ASSAY OF HYGROMYCIN SUSCEPTIBILITY AND MUTANT SCREENING IN RICE AT HEADING STAGE Studies on genetic transformation of Rehmannia glutinosa mediatedby Agrobacterium tumefaciens Optimization of Agrobacterium-mediated Transformation System for Brassica oleracea var. acephala with Hypocotyls as Explants Expression,Purification and Immunoreactivity of Hygromycin-B-Phosphotransferase Establishment of Particle Bombardment–Mediated Transformation System in Garlic IN SITU SUSCEPTIBILITY OF TRANSGENIC AND CONVENTIONAL RICE SEEDLING TO HYGROMYCIN B