Comparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata

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dc.creatorBalogun, M.O.
dc.creatorNg, S.Y.
dc.creatorShiwachi, H.
dc.creatorNg, N.Q.
dc.creatorFawole, I.
dc.date2004-12
dc.date2019-08-21T14:12:53Z
dc.date2019-08-21T14:12:53Z
dc.date.accessioned2026-06-27T16:02:18Z
dc.descriptionSingle node cuttings of two genotypes each of Dioscorea alata and D. rotundata from both plants grown in screen houses and in vitro plantlets were cultured in a tuberization medium. The screen house explants had significantly higher plantlet tuberization and primary nodal complex formation, and more tubers and primary nodal complexes per plantlet than in vitro explants, whereas in vitro explants performed better only in nodes per plantlet. It appears that in vitro tuberization is explant‐, species‐ and genotype‐dependent, the greatest variation being due to explant source. This is a first report of microtuber production from nodal explants of D. rotundata produced in a screen house.
dc.identifierhttps://hdl.handle.net/10568/103297
dc.identifier.urihttp://hdl.handle.net/123456789/120712
dc.languageen
dc.publisherWiley
dc.rightsLimited Access
dc.sourceBalogun, M.O., Ng, S.Y., Shiwachi, H., Ng, N.Q. & Fawole, I. (2004). Comparative effects of explant sources and genotypes on microtuberization in yams (Dioscorea spp.). Tropical Science, 44(4), 196-200.
dc.subjectdioscorea
dc.subjectexplants
dc.subjectgenotypes
dc.subjectyams
dc.titleComparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)