proceedings of the fifth Triennial sym ISTRC Nov 1992.csv

1Welocme and opening addresses10
2First Welocme AddressTheresa Sengooba11
3Second Welcome AddressSimon Ngale Lyonga11
4Third Welcome AddressSang Ki Hahn12-13
5Fourth Welcome AddressVictoria Sekitoleko14
6Official Opening SpeechGeorge Cosmos Adyebo14
7Root crops for food security in sub-Saharan AfricaHahn,S.k16-21
8Root crops for food security in AfricaSengooba T.22-25
9Cassava plant protection in Africa.Yaninek,J.S26-34Cassava
10The role of women in root crop production for food security in GhanaHaleegoah,J.A.S.and Okail,E35-38
11A century of yam research in Nigeria:1893-1992Akoroda,M.O39-43Yam
12Development and implementation of a potato seed programme in CameroonFondong,V.N, Martin,C .and Nkwenti,F.44-46Potato
13Contribution of root and tuber crops to Uganda`s food security:a nutritional perpectiveKikafunda ,J.47-49
14Technological change in indigenous root and tuber crop production systems in sub-Saharan Africa.Nyiira,Z.M.50-55
15Improvement of sweet potato production in the Lake Zone of TanzaniaJeremiah,S,C56-58Sweetpotato
16Present and future strategies for potato improvement in Uganda for national food securitySikka,L.C; Kakuhenzira,R,Bhagsari,A.S,and Alacho ,F59-64Potato
17Attributes of cassava varieties desired by farmers in sub-Saharan AfricaNweke,F.I.Dixon,A.G.O,Asiedu,R. and Folayan,S.A. 65-92Cassava
18The importance and production constraints of cassava in MalawiSauti,R.F.N,Khonje,EM.H.;Thaulo,G,;Chibambo,M.and Bulla,G.M.93-96Cassava
19The state of cassava in UgandaOtim-Nape,G.W,;Bua,A and Zziwa,S97-100Cassava
20Cyanide and cassava breedingMahungu,N.M;Hahn,S.K.and Chheda,H.R.101-109Cassava
21Micropagation of cocoyam(Xanthosoma sagittifolium(L) Schott) in CameroonZok,S. and Nyochembeng,L.M106-110Cocoyam
22Utilisation des param‚tres de stabilite dans la s‚lection des clones de manioc pour le rendement en racineMaroya,G.N. and Otim-Nape,G.W111-115
23Evalution of cassava genotypes for resistance to cassava green miteMolo R,;Odongo.B and Otim-Nape,G.W116-121Cassava
24Sweet potato germplasm evaluation and utilization in UgandaMwanga,R.O.M and Mateeka,B122-124Sweetpotato
25Introgression of ceara rubber (Manihot glaziovii Muell-Arg) into cassava(M.esculenta Crantz):a morphological and electrophoretic evidenceWanyera,N.M.W.; Hahn.S.K. and Aken`Ova,M.E.125-130Rubber
26Potato(Solanum tuberosum)germplasm evaluation and adaptation trials at mid-elevations in Embus,KenyaIrungu,J.W.a nd Kidanemariam,H.M131-134Potato
27Approaches for yam germplasm conservationNg,N.Q.and Ng,S.Y135-140Yam
28Embryo culture of yams:germination and callus inductionNg,M.A and Ng,S.Y Ladeinde,T.A.O141-144Yam
29Effect on GA3 on the in vitro growth and development of four potato(Solanum tuberosum L.) genotypesFondong,V..N, Martin.C and Nana,F.S145-148Potato
30Distribution,and disease recovery,of Africa Cassava Mosaic Virus(ACMV) in stems of resistant and susceptible cassavaNjock,T.E.;Atiri,G.I.;Thottappilly,G.and Hahn S.K149-152Cassava
31Field performance of tissue-culture derived cocoyam(Xanthosoma sagittifolium(L)Schott)Nyochembeng,L;Zok,S.and Ndzana,X153-156Cocoyam
32Manipulation of BAP and agar concentrations for rapid clonal propagation of Dioscorea alata shoot culturesAlhassan,A.Y157-160Yam
33The effect of plant spacings and planting times on the performance of a cassava-bean intercropping systemBaguma,Y.K161-162Cassava
34The effect of plant population on the performance of cassava in Sierra LeoneDahniya,M.T.and Jalloy A166-170Cassava
35The influence of spatial adjustment of cassava stands from the oil palm on inflorescence development of the palmOkpala-Jose,A171-175Cassava
36Cassava variety and fertilizer on-farm trials in Sierra LeoneLahai,M.T.;Gbani,A.B.;Tucker,M.J,'Dahniya,M.T.;George,J.B;James,P.;John,J.I,;Winnebah,T.R.A.,Banya,G.S,Tarawalli,A.R.,Williams,C.O.and Jalloy,V176-180Cassava
37Performance of three potato(Solanum tuberosum L)genotypes in realation to plant population and applied nitrogen in a lowland area of UgandaElobu,P.and Osiru,D.S.O181-184Potato
38In-ground storability studies of four popular sweet potato(Ipomoea batatas L.) varietiesP`Obwoya,C.O.and Mwanga,R.O.M185-188Potato
39Productivity of cassava under differnet land preparation methods on the upland in Sierra LeoneJalloh,A. and Dahniya,M.T189-193Cassava
40The effect of nitrogen fertilizer split application on flowering,berry number and size in true potato (Solanum tuberosum L.) seed productionMaingi,D.M.;Nyabundi,J.O.and Kidanemariam,H.M194-197Potato
41Variation in farmers`cassava yield in on-farm trials in the southern sub-humid forest region of CameroonNgeve,J.M198-203Cassava
42Improved cassava for inland valley agro-ecosystemsEkanayake,I.J.;Dixon,A.G.O.;Asiedu,R and Izac,A-M.N204-208Cassava
43Season,weather and changes in root crop dominance in Mbe CameroonAkoroda,M.O.,;Amadou,O;Mbahe,R.E and Terje ?en209-217
44Exploratory study of the farmers`view point on the production of sweet potato in the southern highlands of TanzaniaMwanbene,R.O.F.;Mwakyembe,C.M.A and Mayona,C.M218-224Sweetpotato
45Sweet potato in the farming and food systems of UgandaBashaasha,B.Mwanga,R.O.M.;Ocitti P`Obwoya,C.and Ewell,P.T.225-228Sweetpotato
46Intercropping maize with cassava and its effects on food security for low resoucre farmers under drought condidtionsGondwe,W.T and Sauti,R.N229-232Cassava
47Managing cassava in a triple cropping system involving maize/cassava/cowpeaAsafu-Agyei,J.N233-236
48Maize-cassava intercropping:nitrogen,spatial arrangement,maize variety and time of planting effects on maize and cassava productivity in relation to food securityJones,R.B.;Nyirenda,N.E;Msiska,B.N.C,Kumwenda,J.D.T;Kabambe,V.H and Sauti,R.F.N237-242
49On-farm evaluation of the effects of three contrasting maize varieties on the productivity of cassaava/maize intercrop in S.E.NigeriaIkeorgu,J.E.G and Iloka,A.W243-246
50A descriptive analysis of root and tuber crop based food crop systems with particular reference to cocoyam(Xanthosoma sagittifolium L.Schott) in CameroonNnoung,A.;Mbassa,A,;Acquah,E.T.;Mboua C and Nganje,W.E247-251Cocoyam
51Contraintes pathologiques … la production de l`igname(Dioscorea spp.) en C“te d`lvoireZohouri,P.;Digbeu, Dumout,R.252-257
52Evaluation of sweet potato clones for resistance to sweet potato weevils(Cylas sp.)Kokorom,S.A.;Molo,R.and Ogwang,J.258-262Sweetpotato
53Relative resistances of some potato cultivars to sweet potato weevil,Cylas sp.clear wing moth,Synanthedon sp and sriped weevil,Alcidodes sp,in central Kenya Gethi,M and Kidanemariam,H.M263-266Potato
54Effect of time of harvesting on the yield and pest incidence of two sweet potato varieties in the forest zone of GhanaMissah,A and Kissiedu A.F.K.267-270Sweetpotato
55Research on African Cassava mosaic Virus:the need for international collaborationThresh,J.M.;Fargette.D.and Mukiibi,J.271-274Cassava
56Courtship behaviour of the Cassava Green Spider Mite Monychellus tanajoa Bondar(Acari:Tetranychidae)Karamura,E.B.;Saxena,N.N,;Tukahirwa,E.M.;Baliddawa,C.and Kawanda,P.275-279Cassava
57Quantification of resistance to African Cassava Mosaic(ACMV) in IITA-improved,mosaic-resistant cassava breeding materialsRossel,H.W.;Changa,C.M.and Atiri,G.I280-287Cassava
58Etat phytosanitatire de la patate douce et s‚lection pour la r‚sistance aux maladies virales au RwandaNdamage G‚orges288-290
59Farmers`cultural practices and their effect on pest control in sweet potato in south Nyanza kenyaSmit,N.E.J.M;Ewell,P.T.and Magenya,O.E.V291-296Sweetpotato
60Distribution and severity of yam anthracnose in NigeriaAkem,C.N.and Asiedu,R297-301Yam
61Effectiveness of the polyethlene plastic mulch as a control measure against sweet potato weevils(Cylas spp.,Coleoptera:Curculionidea)Lema,K.M.;Osiru,D.S.O and Hahn S.K302-306Sweetpotato
62Ecology of cassava whiteflies in ColombiaGold,C.S307-310Cassava
63Effect of African cassava mosaic virus disease on local and introduced cassava cultivars in western highlands of CameroonTankou,C.M.and Lyonga,S.N311-313Cassava
64A new chromogen for the assay of cyanogens in cassava productsEssers,S.;BosveldR.M.,van der Grft and Voragen,A.G.J,314-317Cassava
65Detoxification of cassava through heap-fermentation in UgandaEssers,S.;Ebong,C.,van der Grft,R.;Otim-Nape,W.;Nout,R318-321Cassava
66Post harvest losses during harvesting,transportaing and marketing of sweet potato in KenyaGatumbi R.W.;Kihurani,A.W and Skooglund,L.G322-323Sweetpotato
67Biochemistry and utilization of sweet potato(Ipomoea batatas)for animal feeding:implications for food security in AfricaTewe,O.O324-327Sweetpotato
68A study on the quality of cassava pellets produced with a Nigerian fabricated machineOnyekwere,P.S.N,;Ukapabi,U.J and Ene,L.S.O328-331Cassava
69Effect of substituting wheat flour with dehydrated uncooked potato flour on rheological properties of dough and baking quality of breadKabira,J.N.and Imungi,J.K332-335Potato
70The cyanogenic potential of cassavaBokanga,M336-339Cassava
71Cassava in the production of bread and bakery productsOmoaka,P.and Bokanga ,M340-342Cassava
72Case studies in cassava processing and cyanogen eliminationBainbridge,Z343-347Cassava
73Leaf protein analysis of ten cocoyam(Xanthosoma sagittifolium (L.)Schott and Colocasia esculenta(L).Schott genotypesAgueguia,A;Fatokun,C.A.and Hahn,S.K348-353Cocoyam
74Forage value of casava in the lake Crescent region of UgandaEbong,C.Baguma,Y.and Lusembo,J354-358Cassava
75Storage of fresh cassava tuber in plant based storage mediaSilim N.M.;Ebong,C.and Ssmwanga J.359-364Cassava
76Seasonality of sweet potato prices in Kampala,UgandaBashaasha,B.365-367Sweetpotato
77Ten practical points related to food securityMcNamara,N.and Morse,S368-371
78The attitude of farmers towards the yam minsett technology in Imo State of NigeriaAsiabaka,C.C372-374Yam
79The possibilities of biotechnology for increasing household production of cassava for food security in Africa:the case of the North West CamerronNganje,W.E,'Acquah,E.T.'Nnoung,A.and Mboua,J.C375-377Cassava
80D‚velopment et transferet de technologies sur les plantes … racines et tubercules au RwandaNdamage, Mulindangabo,J383-386
81Contribution du PRONAM … la vulgarisation des techniques am‚lior‚es de la production du manioc au Bandundu et au Bas-Za‹re,1980-1988Mutombo,T;Florini,D.A,;Pandey,S.J;Burn,C.,Fiebig,W.Belawaku,V.K.;Kamizelo.K.387-390
82An integrated multiple strategy for the transfer of root crop technology to farmersOtoo,J.A.;Sauti,R.F.N,;Alvarez,N.M.;Meya,P.;Gondwe,W and Chibambo,M.391-395
83La promotion du manioc:une exp‚rience du Centre de Formation et de Recherche Coop‚ratives"IWACU"Narumansi,E396-399
84An integrated network approach in root crops researchAlvarez,M.N400-405
85Collaboration between CIP and NARS on potato and sweet potato research and technology transfer in AfricaEwell,P.T.and Nganga,S.406-410Sweetpotato
86Rapport du B‚nin sur les actions de recherches collaboratives sur le maniocMaroya,G.N.411-417
87Impact des vari‚t‚s am‚lior‚es du programme national manic(PRONAM) sur la production du manioc au Za‹reNdombo,D,;Bidiaka,M,;Kassongo,K.;Mahungu, Kankolongo,M418-422
88Cassava research activities in UgandaBaguma,Y.K and Otim-Nape,G.W423-424Cassava
89Tanzania Root Crops ResearchJeremiah,S,C; S.C.Ndunguru and Kibibim,H425-426
90Mozambique Root Crops Research:1992Jorge,M.A.B and Zacarias,A.M.427-429
91Cameroon Root Crops ResearchAgueguia,A;Ngeve,J.M,.and Lyonga,S.N430-431
92Malawi Root and Tuber CropsResearch:1990-1992Mahungu,N.Gondwe,W.T.Ndingo,F.P.;Shrestha,P,;Chibambo,M.;Otoo,J.and Alvarez,M.N432-434
93Ghana Root Crops Research at KumasiKissiedu,A.F.K.;Okoli,O.O.;Asare-Bediako,J.N.L.;Lamptey,A.M.and Danso,A.K.435-440
94Kenya Root Crops ResearchKabira,J.N.441-442
95Symposium Resoluations(R‚solutions des symposium)443-445
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