Table of Content(Volume 2 No 1&2: 1-278. May 1997. ISSN 1118-2075)

1Opening remarksProf J.K. Mukiibi4
2The cassava biotechnology network: an integral part of the special programme's approach to reduce small farmers constraintR. van den Bos4-6Cassava
3CBN: Realizing biotechnology's potential for cassava-growing regionsA.M. Thro7Cassava
4Contribution of biotechnology to cassava development in AfricaHer excellency Dr. S.W. Kazibwe8-9Cassava
5Cassava in AfricaF.I. Nweke & J.K. Lynam10-13Cassava
6African cassava mosaic virus disease: the magnitude of the problemJ.M. Thresh, G.W. Otim-Nape, J.P. Legg & D. Fargette13-19Cassava
7Properties, differentiation and geographical distribution of geminiviruses that cause cassava mosaic diseaseB.D. Harrison, Y.L. Liu, X. Zhou, D.J. Robinson, L. Calvert, C.Munoz & G.W. Otim-Nape19-22Cassava
8Presence of a new virus closely related to East African cassava mosaic geminivirus, associated with cassava mosaic outbreak in UgandaD. Deng, W.G. Otim-Nape, A. Sangare, S. Ogwal, R.N. Beachy & C.M. Fauquet23-28Cassava
9Genetic relationships among cassava clones with varying levels of resistance to African mosaic disease using RAPD markersHodeba Douwehan Mignouna and Alfred Gilbert Olonju Dixon28-32Cassava
10Implementation in Africa of serological diagnostic test for cassava mosaic geminivirusesF.O. Ogbe, G. Thottappilly & F.M. Quin33-36Cassava
11Breeding for resistance to mosaic disease in UgandaG.N. Ssemakula, Y.K. Baguma, G.W. Otim-Nape, A. Bua & S. Ogwal36-42Cassava
12Epidemic of severe cassava mosaic disease in Uganda and efforts to control itOtim-Nape G.W., A. Bua, Y. Baguma & J.M. Thresh42-43Cassava
13Effect of African cassava mosaic disease on growth and yield components of virus-tested cassava genotypes derived from meristem culture in early and late planting periods in three agroecologies of NigeriaA.O. Akano, G.I. Atiri, S.Y.C. Ng & R. Asiedu44-48Cassava
14Effect of African cassava mosaic disease on the yield of cassava derived from cuttings from tissue culture plants in two agroecological zones in NigeriaA.O. Akano, R. Asiedu & S.Y.C. Ng48Cassava
15A new isolate of African cassava mosaic virus in South AfricaL.C. Berrie, K. Palmer, E.P Rybicki, S.H. Hiyadat, D.P. Maxwell & M.E.C Rey49-52Cassava
16D‚veloppement des cultivars assainis de maniocJ. Mabanza, G. Tonnang et J. Mahouka52-54Cassava
17Use of monoclonal and recombinant antibodies to detect cell-wall polysaccharides in cassavaM.N.V. Williams, M.G. Hahn, A.G. Darvill, & P. Albersheim54Cassava
18Screening for and basis of resistance to cassava bacterial blight (Xanthomonas campestris pv. Manihotis)R.M. Copper, R. Day, R. Burgin, B. Rodgers-Gray, J. Flood, R. Mepsted, G.G. Henshaw, N. Taylor, R. Gomez-Vasquez & J.R. Beeching54-55Cassava
19Heritability estimates for a ACMD resistance for some newly developed cassava clones in NigeriaR.E.C. Mba & A.G.O. Dixon56-58Cassava
20A system to screen and select for resistance to Fusarium solaniW. Msikita, J.S. Yaninek, M. Fioklou, H. Baimey, M. Ahounou & R. Fagbemissi59-61
21Cassava bacterial blight in South America: pathogenic and geneticharacterization of the causal agent and its application to screening methodsS. Restrepo, V. Verdier, G. Mosquera, A. Gerstl, R. Laberry, T. Valle & E. Alvarez61-63Cassava
22Cassava bacterial blight: recent achivements in understanding the diseaseV. Verdier, S. Restrepo, B. Boher, M. Nicole, J.P. Geiger, E. Alvarez & M. Bonierbale64-68Cassava
23Integrated technology for the treatment and management of cyanoglucosides in cassava starch and sago factory waste watersC. Balagopalan & P. Sundar69-73Cassava
24Genotypic and tissue differences in biosynthetic activity for linamarin production in cassavaY. Chukwumah, S.Y.C. Ng and M. Bokanga73-76Cassava
25Recent advances in molecular and biochemical studies of cyanogenesis in cassava: complexity of the cassava genomeM. Hughes, J. Hughes, K. Brown & S. Liddle77-81Cassava
26Reason for use of bitter cassava in southern TanzaniaR. Kapinga, N. Mlingi & H. Rosling81-84Cassava
27The biosynthesis of cyanogenic glucosides is catalyzed by two membrane-bound multifunctional cytochrome P450's and a soluble UDPG- glucosyltransferaseMoller B.L., Soren Bak, Rachel A. Kahn, Fahrendorf T. & Barbara Ann Halkier84-85
28Partial characterization of the linamarin-synthesizing enzyme complex from cassavaJ.M. Mcmahon & R.T. Sayre85-87Cassava
29Variation of cassava cyanogenic potential in different agro-ecologiesJ. Mkumbira, N.M. Mahungu & S.K. Salipira88-90Cassava
30Comparison of three cyanogen assays for total cyanogens in cassava (Manihot esculenta Crantz)J.D.K. Saka, A.R.K. Mhone & L. Brimer90-94Cassava
31Use of highly cyanogenic cassava cultivars (Manihot esculenta) in the production of biodegradable pesticidesF.L.C. Jackson, J. Dubow, D. Foster, and J. Denkevitz94-95Cassava
32Isolation of a cDNA clone of the hydroxynitrile Iyase gene from cassava and its expression in different organsWhite W.L.B. & R.T. Sayre95Cassava
33Reasons for use of "bitter" and toxic cassava in MalawiLinley Chiwona-Karltun, Ngoma J., Mahungu N.M., Saka J., Tylleskar T. & Rosling H.95-96Cassava
34High cassava consumption without cyanide exposure in Kinshasa, ZaireRosling H., Banea M., Bikangi N. & Tylleskar T.96Cassava
35Am‚lioration qualitative des produits du manioc: conservation de la pƒte ‚goutt‚e, p‚trie et pr‚cuiteE. Avouampo97-99Cassava
36Physiological deterioration: towards a molecular understandingJ.R. Beeching, Y. Han & R.M. Cooper99-105
37Applications de la biotechnologie dans l"industrie de transformation du manioc: Panorama actuel et perspectivesGerard Chuzel105-110Cassava
38Application of microbial starter cultures for new and traditional cassava productsA.J.A. Essers & M.J.R. Nout110-113Cassava
39Enhancement of cassava fermentation: Tanzanian village experienceE.M. Urio & N.L.V. Mlingi113-116Cassava
40Developmental regulation of cassava granule bound starch synthase llT.R.I. Munyikwa, E. Jacobsen & R.G.F. Visser116-120Cassava
41The effects of pre-harvest pruning of cassava upon post-harvest deterioration potential, scopoletin and dry matter contentsG.M. O'Brien, Q. van Oirschot, O. Orozco, A.L. Chaves & J. Mayer120-123Cassava
42PCR amplification, cloning and expression of a phenylalanine ammonia-Iyase gene in cassava (Manihot esculenta Crantz)L.F. Pereira, A. Agyare-Tabbi & L. Erickson123-127Cassava
43Enhanced traditional biotechnology for cassava developmentM. Bokanga127Cassava
44Behaviour of starch suspensions from different cassava varieties subjected to thermal treatment and lactic fermentationV. Pedroarias, A. Kafka, C. Rovedo, S.V. de Fabrizio, C. Suarez, G. Chuzel128-129Cassava
45Enhancing the nutritive value of cassava crop residues and by-products for livestock feeding through microbial degradationO.O.Tewe129-131Cassava
46Application of molecular markers to describe South African elite cassava cultivarsS. Laminski, E.R. Robinson & V.M. Gray132-134Cassava
47Isolation and characterization of repetitive and microsatelite DNA sequences in cassavaA. Agyare-Tabbi, L.F Pereira & L.R. Erickson135-138Cassava
48Application of molecular markers to genetic mapping and germplasm characterization in cassavaM.W. Boniebale, M.M. Maya, E. Barrera, M. Fregene, V. Verdier, J. Bedoya and A.C Roa138-139Cassava
49Assessment of genetic diversity in Manihot species with AFLPsMerideth Bonierbale, Ana C. Roa, Maria M. Maya, Myriam C. Duque and Joe Thome139Cassava
50Molecular marker(AFLP)-based Manihot and cassava numerical taxonomy and genetic structure analysis in progress: implications for their dynamic conservation and genetic mappingG. Second, A.C. Allem, R.A Mendes, L.J.C.B Carvalho, L. Emperaire, C. Ingram & C. Colombo140-147Cassava
51Phylogenetic relationships and genetic diversity in Manihot speciesB. Schaal, L.J.C.B. Carvalho, T.Prinzie, K. Olsen, M. Hernandez, G. Cabral, & D. M›eller147-149Cassava
52A molecular genetic map of cassava (Manihot esculenta Crantz)M. Fregene, F. Angel, R. Gomez, F. Rodriguez, P. Chavarriaga, M. Bonierbale, W. Roca, and J. Tohme150-151Cassava
53Screening for embryogenic competence in some cassava (Manihot esculenta Crantz) cultivars in GhanaK.E. Danso & R.K.A Ahiabu152-154Cassava
54Friable embryogenic callus formation from thin cell layer explants of cassavaJ. Groll, V.M. Gray & D.J. Mycock154-158Cassava
55Analysis of a cassava root specific ?-glycosidase promoterS. Liddle, J. Hughes & M.A Hughes158-132Cassava
56Transformation and gene expression in cassava via tissue electroporation and particle bombardmentH.T. Luong, P.R. Shewry & P.A. Lazzeri163-167Cassava
57Identification and characterization of tuber-specific clones in cassavaK.L. Marello, P.R. Shewry & J.R. Beeching167-169Cassava
58Transformation and culture of cassava protoplastsS.L. McDonnell & V.M. Gray169-172Cassava
59Searching for root specific promoters in cassavaS. Bohl, I. Potrykus & J. Puonti-Kaerlas172-175Cassava
60Development of meristem gene transfer techniques for cassavaJ. Puonti-Kaerlas, P. Frey and I. Potrykus175-180Cassava
61Production of transgenic cassava (Manihot esculenta Crantz) via organogenesis and Agrobacterium-mediated transformationJ. Puonti-Kaerlas, H.-Q. Li, C. Sautter & I. Potrykus181-186Cassava
62Stable transformation of cassava (Manihot esculenta Crantz) by particle bombardment and by AgrobacteriumC. Sch”pke, N. Taylor, R. C rcamo, A.E. Gonz lez de Sch”pke, N.K. Konan, P. Marmey, G.G. Henshaw, R.N. Beachy & C. Fauquent187-193Cassava
63Plant regeneration from transgenic and non-transgenic embryogenic suspension cultures of cassava (Manihot esculenta Crantz)C. Sch”pke, R. C rcamo, R.N. Beachy & C. Fauquent194-195Cassava
64Optimization of chemical selection of transgenic friable embryogenic callus of cassava using the luciferase reporter gene systemS.C.H.J. Snepvangers, C.J.J.M. Raemakers, E. Jacobsen & R.G.F. Visser196-200Cassava
65Improved procedures for producing embryogenic tissues of African cassava cultivars: Implications for genetic transformationN.J. Taylor, R.J. Kiernan, G.G. Henshaw & D. Blakesley200-204Cassava
66The cassava vein mosaic virus promoter: A new promoter for cassava genetic engineeringB. Vendaguer, K. Konan, A. de Kochko, R.N. Beachy & C. Faquent204-208Cassava
67In vitro cassava research capability at the Biotechnology and Nuclear Agriculture Research Institute (BNARI) - Ghana: potentials and constraintsR.K.A. Ahiabu, K.E. Danso, G.Y. P. Klu, P. Bieler & W. Msikita209-212Cassava
68In vitro propagation of six Zambian clones of cassava (Manihot esculenta Crantz)W.K. Chishimba* & E.S. Lingumbwanga212-214Cassava
69Cryoperservation of cassava shoot tips through rapid freezingR.H. Escobar and W.M. Roca214-215Cassava
70Improvement of plant regeneration from cyclic somatic embryos of cassava (Manihot esculenta Crantz)Zhu, Ji; Huang, Yuwen & Liang, Chengyi215Cassava
71Cassava acclimatization in MozambiqueM.A.B. Jorge216-219Cassava
72Rapid multiplication of selected cassava genotypes in KenyaE.M. Kanguha & A. Maliu220-221Cassava
73An efficient mass propagation system for cassava utilizing nodal explants and auxiliary bud-derived meristemsN.K. Konan, C. Sch”pke, R. C rcamo, R.N. Beachy & C. Fauquet222-226Cassava
74In vitro culture of Manihot glaziovii Muel. Arg. Zygotic embryosR.A. Mendes, M. de-Goes, J. B. Teixeira & M. Pasqual226-227
75Responses of cassava to polyethylene glycol mediated osmotic stress in vitroS.Y.C. Ng & I.J. Ekanayake228-231Cassava
76Cassava in vitro germplasm management at the International Institute of Tropical AgricultureS.Y.C. Ng & N. Q. Ng232-234Cassava
77Gestion d'une banque de genes de manioc: experience au CongoF.R. Otabo, J.C. Moussouami et J. Mabanza234-238Cassava
78Regeneration of plants from somatic embryos and friable embryogenic callus of cassava (Manihot esculenta Crantz)C.J.J.M. Raemakers, M.G.M. Rozenboom, K. Danso, E. Jacobsen & R.G.F. Visser238-242Cassava
79Tissue culture cassava: a South African perspectiveB.R. Woodward, J. Allemann & B.P. O'Regan243-245Cassava
80UNESCO/BAC Training Programme in plant biotechnology at Roodeplaat Vegetable and Ornamental Plant InstituteB.R. Woodward and J.A. Brink245Vegetable
81Studies on induction of somatic embryogenesis and shoot organogenesis in cassava at the South China Institute of BotanyMa, Guo-Hau; Xu, Quishen; Xian, Yunlan; & Guo, Jun-Yan246Cassava
82Role of somatic embryogenesis and organogenesis in breeding cold tolerant cassavaLi, HQ; Ma, GH; Zhu, J & Guo, JY246-247Cassava
83Selection of cassava varieties by farmers in the Lake Zone of TanzaniaR. Kapinga, B. de Steenhuijsen-Piters, S. Kajiru, D. Shwagara, C. Rugutu & N. Mahungu248-253Cassava
84Transfer and adaptation of Colombian sour starch technology to Uatappy cassava producer processors in Manabi, EcuadorH. Caballero Vera, J. Villafuerte & S.V. Poats253-257Cassava
85Cassava technology transfer: Lessons from Cameroon and NigeriaM.O. Akoroda257-260Cassava
86Contributions of biotechnology to cassava for Africa: Scientific highlightsG. Kochert261-262Cassava
87Observations on CBN lll and implications for development of biotechnology in AfricaJ.M. Gopo262-263
88Plant biotechnology: advanced training opportunity in Germany and appilication of techniques in Technical Cooperation ProgrammesK.H. Wolpers263-264Plant
89Closing speechJ. Wagonda-Muguli270
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