Publication: Effects of BA and NAA on shoot multiplication of Grammatophyllum speciosum Blume in vitro
Issued Date
2020-12-08
Resource Type
ISSN
24066168
05677572
05677572
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2-s2.0-85099510278
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Mahidol University
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SCOPUS
Bibliographic Citation
Acta Horticulturae. Vol.1298, (2020), 273-280
Suggested Citation
S. Samala, S. Taweerodjanakarn, J. Thipwong, K. Thammasiri, P. P. Chareonsap Effects of BA and NAA on shoot multiplication of Grammatophyllum speciosum Blume in vitro. Acta Horticulturae. Vol.1298, (2020), 273-280. doi:10.17660/ActaHortic.2020.1298.37 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/60853
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Title
Effects of BA and NAA on shoot multiplication of Grammatophyllum speciosum Blume in vitro
Abstract
© 2020 International Society for Horticultural Science. All rights reserved. Grammatophyllum speciosum Blume is the largest orchid species in the world and has many medicinal properties. It is also listed in Appendix II of CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) because it is relatively rare in nature. The effects of N6-benzyladenine (BA) and α-naphthalene acetic acid (NAA) on shoot multiplication of Grammatophyllum speciosum Blume were investigated. The 2-mm diameter protocorms were cultured in Murashige and Skoog (MS) liquid and on agar medium supplemented with BA (0, 1, 2, and 4 mg L-1) and NAA (0, 0.5, and 1 mg L-1) for 8 weeks. The results showed that the MS liquid medium was more effective for shoot multiplications (shoot number, shoot height, and leaf number) compared to MS agar medium. The MS liquid medium supplemented with 2 mg L-1BA yielded the highest average shoot multiplication (44.20 shoots protocorm-1). The lowest average shoot multiplication was found in MS agar medium supplemented with 0.5 mg L-1NAA at 4.60 shoots protocorm-1