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dc.contributor.authorSompop Prathanturarugen_US
dc.contributor.authorNoppamas Soonthornchareonnonen_US
dc.contributor.authorWongsatit Chuakulen_US
dc.contributor.authorYuwalak Phaideeen_US
dc.contributor.authorPromjit Saralampen_US
dc.contributor.otherMahidol Universityen_US
dc.identifier.citationIn Vitro Cellular and Developmental Biology - Plant. Vol.43, No.3 (2007), 275-279en_US
dc.description.abstractNode and internode explants of Mallotus repandus were precultured on basal medium (BM: Murashige and Skoog (MS) medium with 3% sucrose and 0.55% Agargel) for 0-18 d before culture on shoot induction Medium (SIM: BM added with 4.44 μM of benzylaminopurine) for 4 wk. The cultures were subsequently transferred to BM for 4 wk for shoot elongation. Node explants precultured on BM for 14 d before incubation on SIM were at an optimum for shoot regeneration with the response rate of 95%, compared to a 21% response for the control without preculture. Internode explants precultured on BM for 16 d responded with an optimal shoot formation response rate of 69%, whereas the control response rate was 6%. The maximum shoot regeneration rates were 3.1±0.3 and 2.7±0.4 shoots/responding explant in node and internode explants, respectively. This study demonstrates for the first time that shoot organogenesis can be induced from internode explants of M. repandus. Furthermore, the results suggest that the explants need to acquire competence before shoot organogenesis. Rooting was obtained by incubation of regenerated shoots on half-strength MS with 10.74 μM of 1-naphthylacetic acid for a week before culture on half-strength MS for 4 wk. Regenerated plants were successfully transferred to soil. © 2007 The Society for In Vitro Biology.en_US
dc.rightsMahidol Universityen_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.titleAn improved protocol for micropropagation of Mallotus repandus (Willd.) Müll.Arg.en_US
Appears in Collections:Scopus 2006-2010

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