Publication: Effect of paclobutrazol on three different aquatic macrophytes under in vitro monoculture or polyculture conditions
Accepted Date
2013-09-12
Issued Date
2013-09-25
Resource Type
Language
eng
ISSN
1684-5315
Rights
Mahidol University.
Bibliographic Citation
African Journal of Biotechnology. Vol. 12, No. 29 (2013), 5809-5813
Suggested Citation
Kitti Bodhipadma, Sompoch Noichinda, Thanaphol Maneeruang, Koravisd Nathalang, Luepol Punnakanta, David W. M. Leung, ลือพล ปุณณกันต์ Effect of paclobutrazol on three different aquatic macrophytes under in vitro monoculture or polyculture conditions. African Journal of Biotechnology. Vol. 12, No. 29 (2013), 5809-5813. doi:10.5897/AJB2013.12803 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/48493
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Title
Effect of paclobutrazol on three different aquatic macrophytes under in vitro monoculture or polyculture conditions
Other Contributor(s)
Abstract
Three aquatic plants, coontail (Ceratophyllum demersum L.), hydrilla [Hydrilla verticillata (L. f.) Royle]
and giant duckweed [Spirodela polyrhiza (L.) Schleiden], were successfully surface sterilized and
cultured on liquid basal MS (Murashige and Skoog, 1962) medium under aseptic conditions. Shoot
explants obtained from these plants were transferred to basal MS medium supplemented with 0, 0.25
and 0.5 mg/l paclobutrazol (PBZ) under in vitro monoculture or polyculture conditions. There were
some differences in the patterns of fresh weight increases of the three aquatic plants under
monoculture and polyculture conditions. Among the three macrophytes studied, coontail was the most
sensitive to 0.25 or 0.5 mg/l PBZ as its fresh weights did not increase at these PBZ concentrations
during eight weeks under both monoculture and polyculture conditions. Giant duckweed were relatively
more sensitive than hydrilla in response to addition of PBZ to the growth medium under both
monoculture or polyculture conditions suggesting that PBZ might not be an effective aquatic pest
control agent for hydrilla. The dominance of giant duckweed over hydrilla was effectively overturned
with the addition of 0.5 mg/l PBZ to the polyculture medium.