Resistances Level of Indian Diploid and Tetraploid Cotton Cultivarsagainst Plant Selection Marker Kanamycin and Direct Shoot Organogenesis from Shoot Tip Culture

摘要

Selection of transformed tissues in the antibioticmedium is an important step for developingtransgenic plants.The toxic level of G.arboreum and G.hirsutum cotton cultivars ofIndian origin were tested against kanamycinusing different concentrations.Among these 75～100 ug. ml-1 level of kanamycin was found