Agricultural Reviews

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Agricultural Reviews, volume 31 issue 1 (march 2010) : 73 - 76

DIRECT AND INDIRECT ORGANOGENSIS IN MEDICINAL COLEUS (COLEUS FORSKOHLII BRIQ.)- A REVIEW

M. Velmurugan, K. Rajamani, P. Paramaguru, R. Gnanam, J.R. Kannan Bapu, V. Davamani, T. Selvakumar
1Tamil Nadu Agricultural University Coimbatore- 641 003, India

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Cite article:- Velmurugan M., Rajamani K., Paramaguru P., Gnanam R., Bapu Kannan J.R., Davamani V., Selvakumar T. (2024). DIRECT AND INDIRECT ORGANOGENSIS IN MEDICINAL COLEUS (COLEUS FORSKOHLII BRIQ.)- A REVIEW. Agricultural Reviews. 31(1): 73 - 76. doi: .

ABSTRACT

Coleus forskohlii Briq. is the only known natural source of forskolin. Micropropagation provides
an opportunity to maintain type-to-type plant species and can produce a large number of plants
from single clone. the maximum shoot proliferation (99.00 per cent) was noticed in BAP (2.00 mg l-
1). The best growth regulator treatment for rooting of coleus microshoots was IBA (0.2 mg l-1) in half
strength MS medium The growth regulator combination which produced highest percentage of
callus induction from leaf bit was 2, 4, D (2.0 mg l-1). For better rooting of callus derived microshoots,
the ideal medium was found to be half strength MS medium supplemented with IBA (0.2 mg l-1).
Direct and indirect organogenesis of coleus were compiled and presented here under

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