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Participatory plant breeding PPB is a relatively new approach to germplasm development. Overview summaries of cases to date show that most PPB programs were begun within the last 10 years, whether located in public-sector or nongovemment NGO crop-improvement programs. Some have argued that commer...


Sperling, L.Ashby, J.A.Smith, Margaret E.Weltzien, EvaMcGuire, Shawn[Participatory plant breeding: A framework for analyzing diverse approaches]Participatory plant breeding: A framework for analyzing diverse approaches

Guberman, J.M.Ai, J.Arnaiz, O.Baran, J.Blake, A.Baldock, R.Chelala, C.Croft, D.Cros, A.Cutts, R.J.Genova, A. diForbes, S.Fujisawa, T.Gadaleta, E.Goodstein, D.M.Gundem, G.Haggarty, B.Haider, S.Hall, M.Harris, T.Haw, R.Hu, SHubbard, S.Hsu, J.Iyer, V.Jones, Peter G.Katayama, T.Kinsella, R.Kong, L.Lawson, D.Liang, Y.López Bigas, N.Luo, J.Lush, M.Mason, J.Moreews, F.Ndegwa, N.Oakley, D.Pérez Llamas, C.Primig, M.Rivkin, E.Rosanoff, S.Shepherd, R.Simon, R.Skarnes, D.Smedley, D.Sperling, L.Spooner, W.Stevenson, P.Stone, K.Teague, J.Wang, S.Wang, J.X.Whitty, B.Wong, D.T.Wong-Erasmus, M.Yao, L.Youens-Clark, K.Yung, C.Zhang, J.Kasprzyk, A.[BioMart Central Portal: An open database network for the biological community.]BioMart Central Portal: An open database network for the biological community.

Sperling, L.Remington, TomHaugen, Jon M.Nagoda, Sigrid[Addressing seed security in disaster response: Linking relief with development]Addressing seed security in disaster response: Linking relief with development

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.

McGuire, ShawnManicad, GigiSperling, L.[Technical and institutional issues in participatory plant breeding-done from a perspective of farmer plant breeding]Technical and institutional issues in participatory plant breeding-done from a perspective of farmer plant breeding

Sperling, L.Ortiz, O.Thiele, Graham[RTB Seed Systems. Conceptual frameworks for guiding practical interventions.]RTB Seed Systems. Conceptual frameworks for guiding practical interventions.

Ortiz, O.Thiele, GrahamSperling, L.[Multi-stakeholder framework for intervention in VPC seed systems: potato and sweetpotato applications.]Multi-stakeholder framework for intervention in VPC seed systems: potato and sweetpotato applications.

This paper provides background information on seed systems and seed relief interventions for participants at the Workshop on Effective and Sustainable Seed Relief Activities, Rome, 26–28 May 2003. In this paper we review the rationale for and goals of seed aid (section II) and provide an overview...


Sperling, L.Cooper, D.[Understanding seed systems and strengthening seed security]Understanding seed systems and strengthening seed security
Ashby, J.A.Sperling, L.[Institutionalizing participatory, client-driven research and technology development in agriculture]Institutionalizing participatory, client-driven research and technology development in agriculture

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