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dc.contributor.authorLuhan, Maria Rovilla J.
dc.contributor.authorMateo, Jonalyn P.
dc.date.accessioned2017-09-26T03:02:37Z
dc.date.available2017-09-26T03:02:37Z
dc.date.issued2017
dc.identifier.citationLuhan, M. R. J., & Mateo, J. P. (2017). Clonal production of Kappaphycus alvarezii (Doty) Doty in vitro. Journal of Applied Phycology, 29, 2339-2344.en
dc.identifier.issn0921-8971
dc.identifier.urihttp://hdl.handle.net/10862/3229
dc.description.abstractMicropropagation has proven to be a reliable method to mass produce certain crops. This method also has been applied in macroalgae to produce clones for seaweed farming. Protocols for callus production and shoot regeneration from protoplasts have been established for some seaweed species like Kappaphycus alvarezii. Cells and larger tissues, whether in solid or suspension medium, have been used to propagate clones which were later tested for suitability for farming. Although clonal production was successful, the long duration of culture in vitro limits the production process making the growing of Kappaphycus in vitro an expensive technique to produce clones. In this study, K. alvarezii was grown in vitro to develop a more efficient protocol for the production of clones. Small sections of Kappaphycus were grown in suspension for 1 month under the same temperature, light, and salinity. The type of media, source of explants, length of explants, and stocking density that resulted in the highest growth rate and survival rate were determined. Growth rate of K. alvarezii is significantly higher in media with inorganic nitrogen added than in Grund medium or Ascophyllum nodosum medium only. The appearance of shoot primordia as early as 5 days was observed in media with higher nitrogen concentration. Growth rates of explants approximately 3 and 5 mm are significantly higher than 10 mm sections. Shoots develop significantly faster in explants from tips than sections from older branches. Growth rate of K. alvarezii grown at 0.5, 0.75, 1, 1.25 s 10 mL−1 of medium is not significantly different. This protocol could significantly reduce the (1) time of culture and (2) cost of plantlets production by not using plant growth regulators and formulated media in vitro. Nursery reared plantlets/propagules for farming would be affordable to the stakeholders for sustainability of seaweed production.en
dc.language.isoenen
dc.publisherSpringer Verlagen
dc.subjectin vitroen
dc.subjectClonal productionen
dc.titleClonal production of Kappaphycus alvarezii (Doty) Doty in vitroen
dc.typeArticleen
dc.identifier.doi10.1007/s10811-017-1105-7
dc.citation.volume29
dc.citation.spage2339
dc.citation.epage2344
dc.citation.journalTitleJournal of Applied Phycologyen
dc.subject.asfanitrogenen
dc.subject.asfagrowthen
dc.subject.asfanursery pondsen
dc.identifier.essn1573-5176
dc.subject.scientificNameKappaphycus
dc.subject.scientificNameKappaphycus alvareziien


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