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Single node cuttings from pathogen-tested in vitro plantlets of white guinea yam (D. rotundata), cultivar TDr 93–23, were cultured in tuberization and half- and full-strength Murashige and Skoog media with 5% or 8% sucrose, with or without agar, in light or darkness and at 25 or 18°C. Microtuberi...


Balogun, M.Fawole, I.Ng, S.Y.C.Ng, N.Q.Shiwachi, H.Kikuno, H.[Interaction among cultural factors in microtuberization of white yam (Dioscorea rotundata)]Interaction among cultural factors in microtuberization of white yam (Dioscorea rotundata)

White Guinea yam ( Dioscorea rotundata Poir.) is an important staple to millions of people in West Africa. Obtaining good quality planting material for yam cultivation is a major challenge. Multiplication ratios are low, and seed tubers are prone to contamination with pests and pathogens in the t...


Aighewi, B.A.Asiedu, RobertMaroya, N.Balogun, M.[Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)]Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)

Scarcity of seed, pest and diseases are major constraints to yam production. Tissue culture techniques of meristem culture combined with heat therapy have been used to produce high-yielding virus-tested plantlets of root crops, which are later multiplied through micropropagation. However, the mic...


Balogun, M.Ng, S.Y.C.Fawole, I.Shiwachi, H.Kikuno, H.[Relative effects of Uniconazole p and other growth regulators on micropropagation ratio of yam (Dioscorea spp.) plantlets at different growth phases]Relative effects of Uniconazole p and other growth regulators on micropropagation ratio of yam (Dioscorea spp.) plantlets at different growth phases

Yams are staples in West Africa. They are propagated from tubers in an informal seed system. This encourages a build-up of diseases, and necessitates the rapid development of a formal seed system where certified seeds are functional. Although few reports exist on the use of meristem culture to ge...


Balogun, M.Maroya, N.Augusto, J.Ajayi, A.Kumar, P.L.Aighewi, B.A.Asiedu, Robert[Relative efficiency of positive selection and tissue culture for generating pathogen-free planting materials of yam (Dioscorea spp.)]Relative efficiency of positive selection and tissue culture for generating pathogen-free planting materials of yam (Dioscorea spp.)

Yam production is constrained by scarcity of clean seed, pests, diseases and low soil fertility in the informal seed system, which is still operational, causing up to 90% yield losses. Although meristem culture can be effective for producing healthy seed yam, its use is limited by slow rate of re...


Balogun, M.Maroya, N.Asiedu, Robert[Status and prospects for improving yam seed systems using temporary immersion bioreactors]Status and prospects for improving yam seed systems using temporary immersion bioreactors

Aims: To study yam propagation and seed yam tuber production in aeroponics system.Study Design: The experiment was conducted in a randomized complete block designand treatments were replicated three times.Place of Study: This experiment was carried out at the International Institute of TropicalAg...


Maroya, N.Balogun, M.Asiedu, RobertAighewi, B.A.Kumar, P.L.Augusto, J.[Yam propagation using Aeroponics technology]Yam propagation using Aeroponics technology

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