Karyotypes of 15 Introduced Bramble Cultivars (Rubus) STUDIES ON RUBUS LACINiATUS CULTURE IN VITRO——Ⅰ. The effect of various growth regulators on adventitious bud formation from leaf explants 中国树莓属植物多样性及品种选育研究进展 AN OUTLINE ON THE UTILIZATION VALUE OF CHINESE BRAMBLE(RUBUS L.) STUDIES ON RUBUS LACINIATUS CULTURE IN VITRO. Ⅱ. CHANGES IN PEROXIDASE ISOZYMES DURING ADVENTITIOUS BUD FORMATION FROM LEAF EXPLANTS Chromosome Numbers and Karyotypes of 10 Wild Bramble ( Rubus L . ) Spec ies from Southwest of China Chromosome Numbers and Karyotypes of 10 Wild Bramble ( Rubus L . ) Spec ies from Southwest of China