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An Efficient In Vitro Propagation System for Purple Cone-Flower (Echinacea Purpurea L.)

Authors:

N Dahanayake ,

Department of Agricultural Biology, Faculty of Agriculture, University of Ruhuna, LK
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Xiao-Lu Chen,

Genetic Engineering Laboratory, College of Life Sciences, South China Agricultural University, Guangzhou, CN
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Fu-Cheng Zhao,

Genetic Engineering Laboratory, College of Life Sciences, South China Agricultural University, Guangzhou, CN
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Yue-Cheng Yang

Genetic Engineering Laboratory, College of Life Sciences, South China Agricultural University, Guangzhou and Research Center of South China Medicinal Plants, South China Agricultural University, Guangzhou, CN
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Abstract

An efficient in vitro propagation culture system was developed for purple coneflower. In the system, adventitious buds were first regenerated from leaf, petiole and root explants of aseptic seedlings on MS medium with 0.3 mg/l BA and 0.01 mg/l NAA, and then these adventitious buds were rooted and grown into more mature plantlets on MS media with 0.01 mg/l NAA for providing more explant materials for a subsequent adventitious bud regeneration culture. It was found that explants taken from plantlets of different maturity had different adventitious bud regeneration ability, with those from two and a half months old plantlets having the highest regeneration ability, and with root explants having the highest number of adventitious buds regenerated. Through this culture system, it was possible to obtain at least one million plantlets ready for transplantation within one year.

Key words: In vitro propagation; Purple coneflower

DOI: http://dx.doi.org/10.4038/tare.v13i2.3135

Tropical Agricultural Research and Extension 13(2) 2010 pp.29-32

How to Cite: Dahanayake, N. et al., (2011). An Efficient In Vitro Propagation System for Purple Cone-Flower (Echinacea Purpurea L.). Tropical Agricultural Research and Extension. 13(2), pp.29–32. DOI: http://doi.org/10.4038/tare.v13i2.3135
Published on 22 Jun 2011.
Peer Reviewed

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