Proceedings of the 4th ISTRC-AB Triennial Symposium December 1989, Kinshasa, Zaire

No Title Author Page  
1 Opening address(Discours d`ouverture) M. Bakajika,    
2 Opening address(Discours d`ouverture) S.N. Lyonga    
3 THEME PAPERS ( COMMUNICATIONS THEMATIQUES)   1-2  
4 Traditional African methods for cassava processing and utilization and research needs G.Eggleston, M. Bokanga and Y.W. Jeon 3-6  
5 Prospects for processing and utilization of root and tuber crops   in Africa L.S.O. Ene 7-16  
6 Le rôle des racines et tubercules tropicales dans l`alimentation humaine et animale et en tant que matiéres premiĕres industrielles:le cas du manioc Y.S.Fiagan 17-26  
7 Economics of root crop processing and utilization in Africa:A challenge for research F.I.Nweke 27-36  
8 L ĕconomie de la prodution et de la   commercialisation de manioc en Afrique et plus particulierement dans la région du Bandundu (Zaïre) B. Minten 37-44  
9 GENERAL PAPERS ( COMMUNICATIONS GENERALES)   45-46  
10 Processing of roots and tubers: Development efforts at the National Root Crops Research Institute,Nigeria E.Oti, L.S.O. Ene, O.C.Aniedu and M.N.Obasi 47-52  
11 Trans-agroecology studies of root crops in Kenya A.S,Abubaker 53-58  
12 Recherches sur les plantes à tubercules et racines au Cameroun:présent et perspectives S.Nzietchueng et S.N.Lyonga 59-64  
13 Tropical root starches in dough and crumb microstuctures in relation to bread loaf volume E. L.  Keya 65-70  
14 Seed production of foreign varieties of carrot in Assiut,Egypt. K.Iman and A.K. Metwaly 71-80  
15 CASSAVA (MANIOC)   81  
16 Cassava germplasm enhancement at the International Institute of Tropical  Agriculture ( IITA) A.G.O. Dixon,R. Asiedu and S.K. Hahn 83-88  
17 Introgression of genes from wild relatives into cassava A.G.O. Dixon,R. Asiedu , S.K. Hahn, and K.V.Bai 89-92  
18 Approches et méthodologies pour la sélection entomologique du manioc au programme national manioc (PRONAM),Zaïre H.D. Nsiama-She,M.Tshibanga et N.M. Mahungu 93-96  
19 Varietal response to drought stress in cassava D.S.O.Osiru,S.K. Hahn and O.Osonubi 97-102  
20 La sélection du manioc en République du Congo:situation actuelle et perspectives d`avenir J.M. Mingui et J. Mabanza 103-106  
21 Quelques observations sur le TMS 30555 et ses hybrides avec deux clones locaux de manioc N.Nsunbu,  P.Phemba,  M.Ndonda et M.Nzau. 107-110  
22 Assessment of dry-matter content in cassava A.G.O.Dixon, R. Asiedu, S.O.Adeyeye and S.K.Hahn 111-112  
23 Evalution et potentialité de manioc à pulpe jaune au Zaïre D.Ndombo ,N.M. Mahungu et S. Lukombo 113-116  
24 State-of-the-art cassava production in Adamaoua,Cameroon,and implications for improvement M.O.Akoroda 117-124  
25 Sélection de manioc pour la production de feuilles M.Mahungu, D.Ndombo, M. Bidiaka et S.Tubanza 125-128  
26 Embryo culture and somatic embryogenesis in cassava S.Y.C.Ng 129-132  
27 Contributions of three subterranean legumes to the productivity of cassava-maize intercrops in a tropical Ultisol J.E.G. Ikeorgu, G.C. Orkwor and S.O.Odurukwe 133-146  
28 Intercropping oil palm with maize,cassava and live-mulches:Assessment of biological yields A.Okpala-Jose and E.O.  Lucas 139-146  
29 Performance of improved cassava clones under common cropping systems in sourthern Nigeria A.Udealor, R.P.A Unamma and H.C. Ezumah 147-154  
30 The effects of fertilizer,methods of leaf harvest and time of root harvest on cassava root yield O.A.Osiname and K. Landu 155-156  
31 performance of recommended cassava varieties in south-eastern Nigeria J.A.Otoo,S.K. Hahn,V.I. Nwafor and E.M.Chukwuma 157  
32 Popoulation studies of six cassava cultivars in Cameroun J.T. Ambe,A.A Agboola and S.K. Hahn 157-160  
33 Sprouting ministem cuttings without soil:A new technique for rapid multiplication of cassava J.A.Otoo 161-162  
34 Critical water stress levels affecting the growth of cassava L.A. Nwosu and F.A. Onofeghara 163-168  
35 Résultats globaux de la lutte biologique contre la cochenille de manioc au Zaïre H.D. Nsiama-She, H.K.Tata et L. Kapongu 169-174 `
36 Predation of cassava green mite by exotic and indigenous predatory mites in Namulonge Uganda: Preliminary studies. B.Odongo and J. Orone 175-178  
37 Effects of mosaic virus on growth and yield of cassava in western Uganda G.W. Otim-Nape, A.F. Kintukwonka, C. Nwesigye and W.E.Emokol 179-184  
38 Effect de la récolte des feuilles de manioc sur l`épidémiologe de la  bactériose et le rendement en racines tubéreuses D.Lutete, G.Muyolo et N.Mahungu 185-188  
39 Les maladies racinaires du manioc:distribution,importance,écologie et modes d`infection des tubercules C. Makambila 189-192  
40 Survival of Xanthomonas campestris pv.manihotis in soils under mucuna fallow T. Amusa, T. Ikotun and S.K. Hahn 193-196  
41 Cassava fermentation and the industrialization of cassava food production. M.Bokanga 197-202  
42 Transformation traditionelles,formes de consommation et de commercialisation du manioc en milieu rural Congolais J.Massamba et S.Treche 203-210  
43 La transformation du manioc en République Populaire du Congo                   J.Mabanza 211-212  
44 Developing low-cyanide cassava cultivars in Nigeria M.E. Oti and L.S.O.  Ene 213-216  
45 Critical control points in the commercial production of high -quality gari M.O.Sanni 217-222  
46 An improved manual gari fryer for local industry E.C.Okafor and P.S.N.Onyekwere 223-228  
47 Development of cassava processing and preservation facilities in Liberia A.F.Tubman 229-234  
48 Estimation of the impact of a new cassava variety on farm income C.Bartlett, K.Kazumba  and S. Lianabo 235-240  
49 Développment de la culture du manioc dans la province du Zou en République Populaire   du  Bénin F.Favi 241-244  
50 On-farm evalution of selected cassava clones in Liberia M.A.Saqui,D. Wounuah and A.S.Laveleh 245-248  
51 Résultats préliminaires de l`essai d`adaptation des variétés de manioc aux conditions de haute altitude de la zone du projet Kigali-Nord au Rwanda J. Mulindangabo,D. Rollin et Ph. Ntawuruhunga 249-254  
52 Cassava utilization in the poultry industry:The Nigerian perspective J.E.Okeke,A.M. Agbakoba and E. Oti 255-260  
53 Economics of cassava production under the Structural Adjustment Program in Ghana S.Asuming-Brempong 261-268  
54 Industrial   demand for cassava in Ghana:Prospects and problems R.M.Al-Hassan 269-274  
55 Production of seed yams,using the minisett technique:Effect of mulch stakes and plant population O.O.Okoli ,A.F.K.Kissiedu and J.A.Otoo 277-280  
56 Substitutes for chemicals,sawdust and plastic mulch in improved seed yam production J.A.Otoo 281-284  
57 Relative distribution of hormones in yam in relation to uniform sprouting in yam minisetts X.Nduzana,J.G.Wutoh and O.U.  Onokpise 285-290  
58 Elimination of yam culture contamination using double surface sterilization S .Zok, A Sama and L.Nyochembeng 291-294  
59 Importance des maladies virales de l`igname au Togo M.Y.Gumedzoe,E.Plante,G.Thottappilly et J.CThouvenel 295-302  
60 Economics of yam flour production:Implications for research and the promotion of yam-based  industries in Nigeria N.O.A.Ezeh 303-306  
61 L`étude du marché comme élément révélateur de l`intérét économique des variétés d`igname S.Doumbia 307-312  
62 SWEET POTATO (PATATE DOUCE)   313  
63 Performance of sweet potato in different agroecological zones of Cameroom J.B.A Whyte 315-320  
64 Sweet potato systems in Adamaoua,Cameroon M.O.Akoroda,H.J.Pfeiffer and R.E.Mbahe 321-330  
65 Interplanting sweet potato with maize in Malawi R.F.N.Sauti and M.M.M. Soko 331-334  
66 Water requirements of sweet potato P.S.N. Onyekwere and E.C.Okafor 335-336  
67 Assessment of the effects of temperature and light on the growth of sweet potatoes,using the nutrient film technique C.Bonsi, P. Lorentan,D. Mortley,W.A.Hill, C. Ogbuehi, E.  Martinez and C . Morris 337-340  
68 Effects of periodic harvesting of storage roots and shoot tips on growth and yield of sweet potato grown hydroponically P.A.Lorentan, C.K.Bonsi,D.G. Mortley,C.R.Ogbuehi, W.A. Hill and C.E. Morris 341-344  
69 Reducing weevil damage in sweet potato,using host-plant resistance and early planting and harvesting K.M.Lema 345-346  
70 COCOYAM (ARACEES)   347  
71 Characterization of cocoyam accessions,using isoelectric focusing X. Nduzana,  J.G.Wutoh and O.U.  Onokpose 349-352  
72 Acclimatization of cocoyam plantlets derived from tissue culture J.Wutoh,   S.Zok, J.T.Tambong,  L.Nyochembeng and O.U. Onokpise 353-356  
73 Use of dormant buds of rhizomes in seedstock multiplication of cocoyam. X.Ndazana,S.Zok,and   J.Wutoh 357-360  
74 Post-harvest handling and storage of cocoyam R.M.Bikomot and J.K. Brecht 361-364  
75 POTATO (POMME DE TERRE)   365  
76 Procédé de sélection de la pomme de terre à l`lnstitut national pour l`étude et de la recherche agronomique(INERA),Zaire N.B.Boue 367-370  
77 Intercropping potato with wheat on the Jos Plateau,Nigeria O.P, Ifenkwe 371-376  
78 Potato production,storage and marketing in Cameroon B.A. Aighewi and S.N. Lyonga 377-382  
79 Effect de l`hypochlorite de sodium et de quatre modes  d`entreposage sur le comportement des pommes de terre à Dschang,Cameroun S.Nzietchueng et F.Tchio 383-388  
80 Symposium  resolutions   389-392  
81 References   393-415  
82 Constitution of ISTRC-AB   417-428  
83 Participants   429