Abstract
A tissue culture method is described for clonal multiplication of Leucaena leucocephala K67 using single lateral bud explants from 2–3 m tall greenhouse grown trees. N-6 benzyladenine (BA: 3.0 mg.1-1) and napthaleneacetic acid (NAA: 0.05 mg.1-1) in Murashige & Skoog's (MS) medium were found to be best suited for multiple shoot differentiation in 4–5 week old cultures. Analysis of variance of the main treatment effects of BA and NAA on shoot parameters showed that BA significantly (P=0.001) affected shoot development while NAA did not. A shoot multiplication rate of 22±3.63 shoots per bud explant was obtained in 150 days on 1/2 strength MS medium with 3.0 mg.1-1 BA and 0.05 mg.1-1 NAA. Shoots developed adventitious roots within 15 days in 1/2 strength MS medium containing indole-3-butyric acid (IBA: 3.0 mg.1-1) and Kinetin (0.05 mg.1-1). Eighty percent of the transplanted plantlets are being grown in greenhouse conditions.
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