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Articles by M.M. Rohman
Total Records ( 2 ) for M.M. Rohman
  M.M. Rohman , M.A. Hakim , N.A. Sultana , M.E. Kabir , M. Hasanuzzan and M. Ali
  Genetic divergence of 35 sorghum (Sorghum bicolor L.) genotypes was estimated using D2 and principal component analysis for nine characters. The genotypes under study were grouped into 4 clusters. The cluster I contained the maximum number of genotype and the cluster III contained the minimum. The inter cluster distance in most of the cases were higher than the intra cluster distance indicating wider genetic diversity among the genotypes of different groups. The highest inter cluster distance between cluster III and IV followed by between III and V showing wide diversity among the groups.. The highest intra-cluster distance was observed in cluster IV and lowest in cluster II. Days to maturity, number of tiller/plant and 1000 grain weight showed maximum contribution towards total divergence among the genotypes.
  M.M. Rohman , Md. Nazrul Islam , Md. Shameul Alam , Munshi Rashid Ahmad and Tapan Kumar Paul
  In vitro culture of lateral buds of field grown mature plants were tested in MS medium supplemented with different concentrations of BAP and NAA. Seasonal endophytic contamination was suppressed by shaking propagules for 2 h in 300 mg L-1 rifampicin before surface sterilization. Maximum survival rate was found in MS medium supplement with 1.0 mg L-1 BAP plus 0.20 mg L-1 NAA. The highest number of shoots was produced in MS medium containing 0.50 mg L-1 BAP and 0.20 mg L-1 NAA. Both the highest multiplication rate and the longest shoot were found in MS medium supplemented with 0.50 mg L-1 BAP plus 0.20 mg L-1 NAA. On the same treatment an increasing trend was observed in multiplication rate of shoot upto 5th subculture which decreased thereafter. First subculture produced the highest shoot length which decreased with the increase in number of subculture. Half strength MS medium supplemented with 1.0 mg L-1 IBA was found as the best treatment to produce root in the culture media. Rooted plantlets were transplanted successfully.
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