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Vegetatively propagated crop (VPC) seed tends to remain true to varietal type but is bulky, often carries disease, and is slow to produce. So VPC seed needs to be handled differently than that of other crops, e.g., it tends to be sourced locally, often must be fresh, and it is less often sold on ...


Bentley, J.W.Andrade-Piedra, J.L.Demo, P.Dzomeku, B.M.Jacobsen, K.Kikulwe, E.Kromann, P.Kumar, L.McEwan, M.Mudege, Netsayi N.Ogero, K.Okechugwu, R.Orrego, R.Ospina, B.Sperling, L.Walsh, S.Thiele, Graham[Understanding root, tuber, and banana seed systems and coordination breakdown: A multi-stakeholder framework.]Understanding root, tuber, and banana seed systems and coordination breakdown: A multi-stakeholder framework.

Ogero, K.Mwangi, M.Gitonga, N.M.Ombori, O.Ngugi, M.[Enhancing farmers’ access to disease-free sweetpotato planting materials through low cost tissue culture for food security and poverty alleviation in Eastern Africa.]Enhancing farmers’ access to disease-free sweetpotato planting materials through low cost tissue culture for food security and poverty alleviation in Eastern Africa.

Stathers, T.McEwan, M.Gibson, R.Mwanga, R.O.M.Carey, E.E.Namanda, S.Low, J.W.Ogero, K.Rajendran, S.Abidin, P.E.Malinga, J.Agili, S.Andrade, M.I.Mkumbira; J.[Everything you ever wanted to know about sweetpotato, Topic 5: Sweetpotato seed systems]Everything you ever wanted to know about sweetpotato, Topic 5: Sweetpotato seed systems
Masiga, C.W.Mugoya, C.Ali, R.Mohamed, A.Osama, S.Ngugi, A.Kiambi, D.Villiers, S. deNgugi, K.Niyibigira, T.Tesfamichel, A.Machuka, J.Oduor, R.Runo, S.Adam, R.Matheka, J.Bedada, L.Seth, M.Kuria, E.Ndirigwe, J.Ndolo, P.Muthamia, Z.Nasona, B.Ntimpirangeza, M.Tsegaye, E.Desterio, N.Ogero, K.Mburugu, G.Mukasa, S.Kim, D.J.Ferguson, M.Mneney, E.Nsubuga, E.Rishurimuhirwa, T.Byamugisha, D.Wamatsembe, I.Nzuki, I.Mkamilo, G.S.Kimata, B.Ketema, S.[Enhanced utilization of biotechnology research and development innovations in Eastern and Central Africa for agroecological intensification]Enhanced utilization of biotechnology research and development innovations in Eastern and Central Africa for agroecological intensification

Karembu, M.Nguthi, F.Wafula, D.Ogero, K.Ecuru, J.Ozor, N.Urama, K.Acheampong, E.Opati, LindaKomen, J.Virgin, I.Gasingirwa, M.C.Haileselassie, T.Abebe, A.Omari, J.Chuwa, P.Nyange, N.[Stakeholder analysis as a tool for overcoming some of the biosciences policy challenges in eastern Africa]Stakeholder analysis as a tool for overcoming some of the biosciences policy challenges in eastern Africa

Grant, F.E.Kakuhenzire, R.Ogero, K.Mulongo, Godfrey[The International Potato Center (CIP) in Tanzania: achievements and impact.]The International Potato Center (CIP) in Tanzania: achievements and impact.

Increased sweetpotato production in sub-Saharan Africa is hampered by high incidence of virus diseases. Work is going on to test whether healthy seed production can be maintained through a combination of farmer practices and internal and external quality assurance mechanisms; and to ensure that ...


Ogero, K.McEwan, M.Jeremiah, S.[Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.]Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.

Ogero, K.Kreuze, J.F.McEwan, M.[Net tunnels reduce degeneration of sweetpotato planting material in smallholder farm conditions in Tanzania.]Net tunnels reduce degeneration of sweetpotato planting material in smallholder farm conditions in Tanzania.

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