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Cassava (Manihot esculenta Crantz) is the second most important food crop after rice, the staple in Sierra Leone; it is also the most important root and tuber crop. It is followed by sweet potato (Ipomoea batatas L.), yam (Dioscorea spp.), which forms part of the traditional farming system and ha...


Fomba, S.N.Massaquoi, F.B.Norman, P.E.Samura, A.E.Mansaray, A.Jalloh, A.Dixon, Alfred G.O.Anthony, N.A.Benya, M.T.Fornah, D.S.Sawi, M.K.Sartie, A.M.Onadipe, O.Sanni, L.O.[Current status of root and tuber crops improvement, production and utilization in Sierra Leone]Current status of root and tuber crops improvement, production and utilization in Sierra Leone

Progress is being made at the International Institute for Tropical Agriculture to develop molecular tools for marker-assisted selection that would complement and expedite conventional breeding approaches for genetic improvement of yams (Dioscorea spp.). F1 mapp...


Sartie, A.M.Asiedu, Robert[Development of mapping populations for genetic analysis in yams (Dioscorea rotundata and D. alata)]Development of mapping populations for genetic analysis in yams (Dioscorea rotundata and D. alata)

Background: Anthracnose (Colletotrichum gloeosporioides) is a major limiting factor in the production of yam (Dioscorea spp.) worldwide. Availability of high quality sequence information is necessary for designing molecular markers associated with resistance. However, very limited sequence inform...


Narina, S.S.Buyyarapu, R.Kottapalli, K.R.Sartie, A.M.Ali, M.I.Asiedu, RobertHodeba, M.Sayre, B.L.Scheffler, B.E.[Generation and analysis of expressed sequence tags (ESTs) for marker development in yam (Dioscorea alata L.)]Generation and analysis of expressed sequence tags (ESTs) for marker development in yam (Dioscorea alata L.)

Yam ( Dioscorea spp.) is a major staple crop widely cultivated for its starchy tubers. To date, very few marker resources are publicly avail - able as tools for genetic and genomic studies of this economically important crop. In this study, 90 simple sequence repeat (SSR) markers were devel...


Tamiru, M.Yamanaka, S.Mitsuoka, C.Babil, P.Takagi, H.López Montes, A.Sartie, A.M.Asiedu, RobertTerauchi, R.[Development of genomic simple sequence repeat markers for yam]Development of genomic simple sequence repeat markers for yam

To determine whether or not FT-IR spectroscopy could be used for taxonomic and metabolic discriminationof African yam lines, tuber samples from African and Asian yam species were subjected to FT-IR.Most remarkable spectral differences between African and Asian yams were found in the 1750–1700 cm ...


Kwon, Y.K.Jie, E.Y.Sartie, A.M.Kim, D.J.Liu, J.R.Min, B.W.Kim, S.W.[Rapid metabolic discrimination and prediction of dioscin content from African yam tubers using Fourier transforminfrared spectroscopy combined with multivariate analysis]Rapid metabolic discrimination and prediction of dioscin content from African yam tubers using Fourier transforminfrared spectroscopy combined with multivariate analysis

A working collection of yam (Dioscoreaspp.) comprising 53 landraces and seven improved cultivars of four species (D. alata L., D. cayenensis Lam., D. dumetorum (Kunth) and D. rotundata Poir.) was evaluated for phenotypic and genetic diversity. The evaluation involved field assessment of 24 morpho...


Sartie, A.M.Asiedu, RobertFranco, J.[Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)]Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)

Progress is being made at the International Institute of Tropical Agriculture to develop molecular tools for marker-assisted selection that would complement and expedite conventional breeding approaches for genetic improvement of yams (Dioscorea spp.). F mapping populations 1 were developed from ...


Sartie, A.M.Asiedu, Robert[Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata)]Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata)

Cassava (Manihot esculenta Crantz) is the second most important food crop after rice, the staple in Sierra Leone; it is also the most important root and tuber crop. It is followed by sweet potato (Ipomoea batatas L.), yam (Dioscorea spp.), which forms part of the traditional farming system and ha...


Fomba, S.N.Massaquoi, F.B.Norman, P.E.Samura, A.E.Mansaray, A.Jalloh, A.Dixon, A.Anthony, N.A.Benya, M.T.Fornah, D.S.Sawi, M.K.Sartie, A.M.Onadipe, O.O.Sanni, L.O.[Current Status of Root and Tuber Crops Improvement, Production and Utilization in Sierra Leone]Current Status of Root and Tuber Crops Improvement, Production and Utilization in Sierra Leone

Conventional breeding takes several years to achieve homozygosity in yam. Anther culture technology is a rapid and viable alternative for the development of homozygous plants, therefore optimizing key parameters for the establishment of an efficient protocol for yam anther culture is indispensabl...


Adesoye, A.I.Azuh, V.O.Gueye, B.Sartie, A.M.Asiedu, Robert[In vitro androgenesis in Dioscorea rotundata Poir]In vitro androgenesis in Dioscorea rotundata Poir

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