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

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Title Comparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata
 
Creator Balogun, M.O.
Ng, S.Y.
Shiwachi, H.
Ng, N.Q.
Fawole, I.
 
Subject DIOSCOREA
EXPLANTS
GENOTYPES
YAMS
 
Description Single 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.
Peer Review
 
Date 2019-08-21T14:12:53Z
2019-08-21T14:12:53Z
2004
 
Type Journal Article
 
Identifier Balogun, 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.
0041-3291
https://hdl.handle.net/10568/103297
 
Language en