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Program-Funded Conferences

 

The Rockefeller Foundation

The Second General Meeting on Biotechnology, Breeding and Seed Systems for African Crops  

Kenya Agricultural Research Institute

 

Conference Program, 24-27 January 2005

Tuesday, 25 January

Plenary session #2: Biotechnology

Peter Quail, Chair

0830–0850        Genetic transformation of cowpea and stable transmission of the transgenes to sexual progeny

                             J.C. Popelka, S. Gollasch, T.J.V. Higgins

0850–0910        Gene transfer to plants by diverse species of bacteria: an open-source platform for plant biotechnology

                             W. Broothaerts, H.J. Mitchell, B.J. Weir, R.A. Jefferson (presented by T.J. Higgins on behalf of R. Jefferson)

0910–0930        Establishment of a plant transformation facility at Kenyatta University to bring the benefits of genomics to farmers’ fields

                             J. Machuka

0930–0950        Recent advances towards insect-resistant maize through conventional and Bt technology in Kenya

                             S. Mugo, B. Odhiambo, H. de Groote, D. Bergvinson

0950–1010        Identification of Bt genes for control of parasitic nematodes in banana

                             X-Q. Li, J-Z. Wei, A. Tan, R.V. Aroian

1010–1030        A combinatorial chemistry approach for broad-based geminivirus disease resistance

                             L. Lopez-Ochoa, L. Hanley-Bowdoin

1030–1050        Tea break

 

Plenary session #3: Genetic Improvement of Cassava and Legumes

John Aluma, Chair

1050–1110        Production and identification of high-value cassava clones

                             H. Ceballos, M. Fregene, J.C. Perez, F. Calle, G. Jaramillo, N. Morante, T. Sanchez, A.L. Chavez, X. Moreno

1110–1130        Molecular marker-assisted selection for starchy staples

                             M. Fregene, A. Kullaya, K. Mtunda, H. Kulembeka, E. Masumba, M. Ferguson, C. Ospina, E.J. Marin, L.G. Santos, E. Barrera, N. Morante, J. Tohme, H. Ceballos

1130–1150        The Cassava Improvement Program in Mozambique

                             A.M. Zacarias, C.E. Cuambe

1150–1210        Multiplication and dissemination of bean seed in Uganda: a case study of Kabale, Mubende and Sironko Districts

                             A. Namayanja, M.A. Ugen, F. Opio, R. Ssekabembe, R. Takusewanya

1210–1230        Characterization of Pythium species associated with pythium root rot of bean in eastern Africa and identification of resistant genotypes

                             R. Buruchara, G. Mahuku, J. Mukalazi, R. Otsyula, A. Levesque

1230–1250        Screening of cowpea varieties for tolerance to low pH conditions

                             R. Madamba, R. Makhanda, C. Parwada, L.M. Mugwira

1250–1400        Lunch

1400–1700        Tuesday parallel sessions (see below)

1900                    Dinner

2000–2130        Evening session, Issues in Public–Private Seed Delivery Systems

                             Rob Tripp, Facilitator

The workshop will focus on discussion of major issues facing the delivery of seeds through the private sector. Invited participants include representatives from private seed companies, local breeders and NARI administrators.

Parallel session, Genetic Improvement of Maize

Ronnie Coffman, Chair

1400–1415        Towards improved resistance to foliar diseases in Kenyan maize: progress in analysing and improving quantitative disease resistance

                             R.J. Nelson, J. Ininda, J. Danson, R.J. Wisser, Y. Wei, C-L. Chung, M. Smith

1415–1430        Genetics and the relationship between yield stability and stress tolerance in regional maize germplasm

                             J. Derera, P. Tongoona, B. Vivek, W. de Milliano, M.D. Laing

1430–1445        Evaluation of yield potential and yield stability of three-way-cross and double-cross maize hybrids in Mozambique

                             P. Fato, P.S. Chauque, M. Denic, F.A. Amela, C. Senete

1445–1500        Use of diverse germplasm in breeding maize for resistance to Striga hermonthica

                             A. Menkir, B. Badu-Apraku, J.G. Kling, O. Ibikunle

1500–1515        Coordinated ecosystem maize breeding in Kenya: divergent-convergent maize improvement approach with reference to biotic stress

                             O.M. Odongo, S.I. Ajanga, J. Ininda

1515–1545        Tea break

Parallel session, Genetic Improvement of Maize

Bob Zeigler, Chair

1545–1600        Doubling yields? Using the forgotten half of our grain crops

                             J. Gressel, A. Zilberstein

1600–1615        Progress in biotic research in maize

                             C.J.M. Mutinda, M. Gethi

1615–1630        Development of tropical maize varieties with low phytic acid to improve the nutritional status of poor communities in sub-Saharan Africa

                             P. Tongoona

1630–1645        Marker-assisted selection for maize streak virus resistance in elite maize lines

                             G. Abalo, P. Tongoona, J. Imanywoha, K. Pixley, R. Edema

1645–1700        Combining ability and genetic diversity in tropical maize inbreds under both stress and optimal conditions

                             D. Makumbi, M. Bδnziger, J-M. Ribaut, F.J. Betrαn

Parallel session, Genetic Improvement of Cassava

Larry Beach, Chair

1400–1415        Accelerated development and dissemination of superior cassava cultivars on-farm testing of improved cassava clones

                             J.G. Gethi, C.K. Mutegi, E.N. Wambugu, P. Ndetei, S. Weru, C. Katama

1415–1430        Infectivity of cloned cassava mosaic viruses on cassava: a potential tool in virus resistance screening compared to the conventional approach

                             O.A. Ariyo, G.I. Atiri, A.G.O. Dixon, M. Koerbler, S. Winter

1430–1445        Breeding for root yield and quality traits in cassava

                             J. Mkumbira, R. Okechukwu, A.G.O. Dixon

1445–1500        Metabolic engineering of cyanogenesis in cassava

                             D. Siritunga, R.T. Sayre

1500–1515        Modification of flowering in cassava

                             S. Davis, J. Tohme, M. Fregene

1515–1545        Tea break

Parallel session, Genetic Improvement of Cassava

Martin Fregene, Chair

1545–1600        Progress in breeding cassava for resistance to brown streak disease in the coastal lowlands of eastern and southern Africa

                             E.E. Kanju, M. Hermes, H. Saleh, A. Zacarias, J. Gethi, J.A. Whyte

1600–1615        Progress in positional cloning of CMD2: the gene that confers a high level of resistance to cassava mosaic disease

                             M. Moreno, J. Tomkins, O. A. Ariyo, O. Okogbenin, M. Fregene

1615–1630        Genetic diversity of germplasm susceptible and resistant to cassava brown streak disease

                             H.P. Kulembeka, A. Kullaya, E. Masumba, M. Labuschagne, M. Ferguson, M. Fregene

1630–1645        Cassava improvement in Uganda through applying biotechnology tools and in-breeding

                             R.O.M. Mwanga, Y.K. Baguma, R.S. Kawuki, A. Pariyo, T. Alicai, C.A. Omongo, G.N. Ssemakula, A. Bua

1645–1700        Successful mitigation of virulent form of cassava mosaic virus in western Kenya

                             H.M. Obiero, P.J. Ndolo, J.A.B. Whyte, P. Ntawuruhunga, J. DeVries

Parallel session, Genetic Improvement of Legume Crops

George Mahuku, Chair

1400–1415        Selection of marketable bean lines with improved resistance to angular leaf spot, root rot and yield potential for smallholder farmers in eastern and central Africa

                             P.M. Kimani, R. Buruchara, J. Muthamia, N. Mbikayi, A. Namayanja, R. Otsyula, M. Blair

1415–1430        Inheritance and genetic characterization of resistance for use in development of Pythium root rot-resistant bean varieties

                             R. Otsyula, P. Rubaihayo, R. Buruchara, G. Mahuku, P.M. Kimani

1430–1445        Pigeonpea cultivar development in eastern and southern Africa integrating the major traits

                             E.T. Gwata, S.N. Silim

1445–1500        Targeting farmer acceptable climbing and bush bean varieties through participatory plant breeding in Rwanda

                             A. Musoni, V. Ruganzu, L. Butare, P. Kimani, L. Sperling, R. Buruchara

1500–1515        Reconciling seed supply and demand: the example of non-hybrid groundnuts and pigeonpeas

                             R.B. Jones, M. Siambi, C. Dominguez

1515–1545        Tea break

 

Parallel session, Seed Delivery Systems

Rob Tripp, Chair

1545–1600        An analysis of the major challenges of the maize seed sector in southern Africa

                             A.S. Langyintuo

1600–1615        Development of community-based seed production: the case of the Bakusekamagga Womens’Association in eastern Uganda

                             J. Kikafunda, G. Bigirwa, J. Imanywoha, S. Mugo, J. Ochen

1615–1630        Maize breeding programme at Lagrotech Seed Company

                             J.O. Mito, M.J.F. Onim

1630–1645        Profiling farmer associations for capacity to produce seed maize in western Kenya

                             C. Ndinya, S. Mugo, H. Karaya, O. Odongo

1645–1700        Opportunities and constraints for future economic development of sustainable vegetable seed businesses in eastern and southern Africa

                             N.J. Spence, J.M. Lenne, D.A.C. Pink, J. Njuki, C. Wanyonyi, P.M. Kimani

Parallel session, Insect and Disease Resistance Studies

T.J. Higgins, Chair

1400–1415        Development of Bacillus thuringiensis sweetpotato resistant to Cylas spp.

                             M. Ghislain, W.J. Moar, R.O.M. Mwanga, B. Odongo, C.C. Crissman

1415–1430        Engineered cysteine proteinase inhibitors for the transgenic control of banana weevil

                             A. Kiggundu, K. Kunert, A. Viljoen, M. Pillay, C. Gold, D. Michaud

1430–1445        Field performance of Vip3A cotton against various lepidopteran cotton pests

                             F. Shotkoski

1445–1500        Assessing the risk of transgene dissemination associated with the introduction of Bt cowpea in Africa

                             R.S. Pasquet, J.B. de la Salle Tignegre

1500–1515        Biodiversity of target and non-target arthropods of Bt maize in five maize production environments in Kenya

                             J.M. Songa, S. Mugo, D. Bergvinson

1515–1545        Tea break

Parallel session, Insect and Disease Resistance Studies

Rebecca Nelson, Chair

1545–1600        Insect resistance for African maize, cowpea, rice, sorghum: which Bt genes and tissue-specific promoters work best against which insect pest?

                             I. Altosaar, J. Mao, J.T. Arnason, M. Kendall, M.A. Zaidi

1600–1615        Genes that confer resistance to angular leaf spot in common bean: genetic characterization and development of molecular markers

                             G.S. Mahuku, C. Montoya, M.A. Henriquez, C. Jara, S. Beebe

1615–1630        Identification of loci under selection in a maize population recurrently selected for quantitative resistance to northern corn leaf blight

                             R.J. Wisser, R.J. Nelson

1630–1645        Towards molecular enhancement of cassava for resistance to cassava brown streak disease

                             I. Ingelbrecht, Y. Lokko, A. Raji, C. Herron, A. Dixon, N. Mahungu, S. Winter

1645–1700        RNA-mediated cassava geminivirus resistance in transgenic cassava

                             P. Zhang, H. Vanderschuren, W. Gruissem

 


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