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Plant Regeneration via Multiple Shoots Formation from Sucker Explants of Rubus fruticosus L.  

Shin Jeong-Sun (Panaxia. Co. Ltd.)
Sim Ock-Kyeong (Panaxia. Co. Ltd.)
Lee Jong-Chon (Panaxia. Co. Ltd.)
Cho Han-Jik (Panaxia. Co. Ltd.)
Kim Ee-Yup (Panaxia. Co. Ltd.)
Lee Kang-Seop (Panaxia. Co. Ltd.)
Publication Information
Korean Journal of Plant Resources / v.18, no.3, 2005 , pp. 456-461 More about this Journal
Abstract
This study was carried out to induce plant regeneration via shoot formation from sucker explants of Rubus fruticosus L. To induce adventitious shoots, sucker explants were sterilized in $1.2\%$ NaOCl solution, and cultured on the MS solid medium supplemented with kinetin (0.5, 1.0, 3.0 mg/L) and BA (0.5, 1.0, 3.0 mg/L), respectively. As above, to induce adventitious shoots, sucker explants were cultured on the MS solid medium supplemented with IBA (0, 0.1, 1.0 mg/L) and BA (0, 0.1, 1.0, 2.0 mg/L). After 4 weeks of culture, the highest frquency $(100\%)$ of shoot formation from sucker explants was obtained from the medium with 1.0 mg/L BA. The highest shoot number per explant from in vitro shoot explants was 5.3. After 10 weeks of culture, the number of shoot per explant was increased. The highest frequency $(85\%)$ of root formation was obtained at 0.5 mg/L glycine medium, when the explant with shoot were cultured on the MS medium containing glycine at various concentrations from 0 to 2.0 mg/L. The survival rate of the plantlets after transfer to plastic pots containing sand, soil, and vermiculite (1:1:1, vol.) was $95\%$. The results indicate that micropropagation procedure can be applied for an efficient mass propagation of Rubus fruticosus.
Keywords
Plant regeneration; multiple shoots; Rubus fruticosus;
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