
This study was conducted at the tissue culture laboratory of Sudan University of Science and Technology during the period from April to July 2010 to investigate the effect of different concentrations of naphthalene acetic acid (NAA) with 5mg/l 6-benzyl amino purine (BAP) on multiplication of banana (Musa sp.) cv. Grand Naine using meristematic stem cuttings ex-plant. MS medium .The highest significant number of shoots was recorded by 0.05 mg/l NAA with 5mg/l BAP this concentration induced also highest length of shoots and maximum number of roots and highest length of roots . Low numbers of shoots wasrecorded by the control and 0.4 mg/l NAA.