JOURNAL OF APPLIED HORTICULTURE
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Journal of Applied Horticulture. 2003: 5(2): 65-68

Micropropagation of Spilanthes acmella L., a bio-insecticide plant, through proliferation of multiple shoots

Ang BoonHaw; Chan LaiKeng

School of Biological Sciences, Universiti Sains Malaysia, 11800 Penang, Malaysia.

S. acmella [Blainvillea acmella] was successfully micropropagated using axillary buds as explants. The aseptic axillary buds formed multiple shoots within 5 weeks when cultured on MS medium supplemented with 2.0, 4.0, 6.0 and 8.0 mg benzyladenine (BA)/l. The addition of IBA as low as 2 mg/l into the MS medium containing BA had no significant effect on the multiple shoot formation. MS medium supplemented with 0.5 mg BA/l was sufficient for the proliferation of rooted multiple shoots. First subculturing of the in vitro individual shoots in the same proliferation medium could double the formation of multiple shoots.

 

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