In Vitro Microtuber Induction of Gynura pseudochina (Lour.) DC with Sucrose and Daminozide Supplements

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Induksi Umbi Mikro Tanaman Daun Dewa (Gynura pseudochina (Lour.) DC) secara In Vitro dengan Perlakuan Sukrosa dan Daminozide

Donny Hartanto1, Sandra Arifin Aziz1*, & Diny Dinarti1


1Departemen Agronomi dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor (Bogor Agricultural University), Jl. Meranti Kampus IPB Darmaga, Bogor 16680, Indonesia
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Issue Date : 2010
Publisher : Jurnal Agronomi Indonesia
Series / Report No :
ISSN: 2085-2916
Physical Description :
2010 Vol. 38 No. 2, p 144-149
Language : id



The effects of sucrose and daminozide on in-vitro microtuber formation were evaluated for producing microtubers to supply year round microtubers and to facilitate sterilized explants exchange regionally and internationally. Uninodal stem segment explants were cultured on agar solidifi ed Murashige and Skoog medium supplemented with 3% sucrose, 0.5 mg L-1 6-benzylaminopurine (BAP), 0.1 mg L-1 a-naphthaleneacetic acid (NAA) for bud multiplication for 3 months. Three nodals stem segment which already formed three perfect leaves were cultured on agar solidified MS medium, 3% sucrose and 1 mg L-1 NAA for two weeks to induce root formation (until ± minimum 60% of the explants rooted). The next step was the induction of three nodal stem segments for microtuber formation on agar solidified MS medium supplemented with 5 mg L-1 BAP and two levels of sucrose, four concentrations of daminozide for 10 weeks. Sucrose at 6% resulted in the significantly highest number of microtuber. The daminozide 41.29 mg L-1 stimulated tuberization at base of the stems and reduce number of microtuber formation in stolon.

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Keywords : daminozide, Gynura pseudochina (L.) DC, in vitro, microtuber, sucrose
How to cite this article


Hartanto, D., S.A. Aziz, & D. Dinarti. 2010. In Vitro Microtuber Induction of Gynura pseudochina (Lour.) DC with Sucrose and Daminozide Supplements. J Agron Indonesia, 38(2): 144-149.
url: http://biofarmaka.ipb.ac.id/publication/journal/62-in-vitro-microtuber-induction-of-gynura-pseudochina-lour-dc-with-sucrose-and-daminozide-supplements
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