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In Vitro Shoot Multiplication of Albizzia julibrissin Duraz.  

Ahn, Ji-Young (Forest Biotechnology Lab., Department of Forest Resources, Dongguk University)
Kim, Jung-Hee (Forest Biotechnology Lab., Department of Forest Resources, Dongguk University)
Kang, Ho-Duck (Forest Biotechnology Lab., Department of Forest Resources, Dongguk University)
Publication Information
Korean Journal of Plant Resources / v.19, no.4, 2006 , pp. 524-529 More about this Journal
Abstract
In vitro culture system was established to induce multiple shoots of Albizzia julibrissin Duraz. by investigating the effects of cytokinins. Cotyledon, hypocotyl and root explants were cultured on MS media supplemented with either three different plant growth regulators or their combinations. The most effective cytokinin sources were zeatin 2.0 + TDZ 0.5 mg/L in cotyledon, zeatin 1.0 mg/L in hypocotyl, and BA 0.2 + TDZ 0.01 mg/L in root explant for producing shoots ($5.67\;{\pm}\;1.20$, $19.50\;{\pm}\;3.50$, and $20.50\;{\pm}\;2.47$, respectively). Also, zeatin treatment was tended to induce more shoots rather than the combinations of other cytokinins. In addition, the root induced in 1/2 MS medium without any plant growth regulators was longer and thicker than treatments of IBA, NAA, IAA and 2.4-D as auxins. Overall, the highest average percent of in vitro shoot formation was 73% from three different types of explants with treatment of zeatin (1.0mg/L).
Keywords
Albizzia julibrissin; Cotyledon; Hypocotyl; Plant growth regulators (PGRs); Root explant; Shoot multiplication;
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Times Cited By KSCI : 4  (Citation Analysis)
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