INGENIC Newsletters

Issue 11 (December 2007) Download pdf (2.4 MB) ››

  • 'Preliminary Characterisation and Evaluation of Cocoa on-farm Genetic Diversity in the North-west Region of Guyana' Chesney, P. E. K.
  • 'Efficacy of Simplified Methods to Assess Pod Production in Cocoa Breeding Trials' Tahi, G.M., N'Goran, J.A.K., Sounigo, O., Lachenaud, P. and Eskes A.B.
  • 'High Yielding Cocoa Varieties of the Central Plantation Crops Research Institute, India' Apshara, S.E., Bhat, V. R., Ananda, K. S. and Nair, R. V.
  • 'Ortet Selection in Cacao Progenies from the Kerindioutou River in French Guiana' Lachenaud, P.
  • ''P' Means Pound, Peru or Progeny?' Lockwood, R.
  • 'Clonal Propagation by Somatic Embryogenesis: Preliminary Results' Paulin, D., Garzon, I. and Alemanno, L.
  • 'Comparison of Methods to Obtain Twin Seedlings by Splitting of Cocoa Seeds' Tahi, G.M., N'Goran, J.A.K., N'Da, G. K. and Eskes, A.B.
  • 'Description of the Cotton Wool Method for Obtaining Twin Cocoa Seedlings' Tahi, G.M., N'Goran, J.A.K., N'Da, G. K. and Eskes, A.B.
  • 'Is Genetic Variation for Sensory Traits of Cocoa Pulp Related to Fine Flavour Cocoa Traits?' Eskes, A.B, D.Guarda S., L. Garcia C. and P. Garcia R
  • 'Assessment of Resistance of Nacional Cocoa Accessions to Ceratocystis fimbriata in Ecuador' Delgado, R.
  • 'Update on the INGENIC Asia-Pacific Working Group (formerly known as the Regional Asia-Pacific Cocoa Breeding Group' Lamin, K. and Lambert, S.
  • 'INGENIC Survey on the Development of CacaoNet Conservation Strategy Summary of replies of the Opinions Received 1st June 2007' INGENIC
  • 'Discussion Paper on Germplasm to be Considered in Setting up a Long-Term Global Cacao Conservation Strategy by CacaoNet' End, M.J., Engels, J.M.M. and Eskes, A.B.
  • 'INGENIC GENERAL ASSEMBLY: Minutes of the Meeting held 16th October, 2006 in San Jose Costa Rica' INGENIC
  • 'Obituary: Aliyu Abdul Karimu' Adomako, B. and Johnson, V.

Issue 10 (September 2005) Download pdf (841 KB) ››

  • 'Determination of Off-Types in a Cocoa Breeding Programme using Microsatellites' Takrama, J.F., Cervantes-Martinez,C., Phillips-Mora, W., Brown, J.S., Motamayor, J-C. and Schnell, R.J.
  • 'Some Genes Expressed in Theobroma cacao L. Zygotic and Somatic Embryos' Montoro, P., Niemenak, N., Rio, M. and Alemanno, L.
  • 'The Development of T. cacao flowers: a Multi-level Comparison to Arabidopsis: Summary of a Ph.D. thesis .. 10' Swanson, J-D, Carlson, J.E and Guiltinan, M.J.
  • 'The Compatibility-Yield Efficiency Relationship ?' Lachenaud, P., Sounigo, O. and Clement, D.
  • 'Can We Select for Shorter Cocoa Plants?' Monteverde-Penso, E.J., Philips, W., Machado, R., Brown, J.S., Schnell, R. and Motamayor, J-C.
  • 'Compatibility and Duration of Pod Maturation in Guiana Wild Cocoa Trees - Preliminary Results' Lachenaud, P. and Oliver, G.
  • 'The CFC/ICCO/INIAP Cocoa Flavour Project - Investigating the Spectrum of Fine Flavour within Genotypes and between Origins' Sukha, D. and Butler, D.R.
  • 'Evaluation of Resistance of Cocoa Genotypes to Witches' Bastos, C.N., Albuquerque, P.S.B.
  • 'Cacao Yields from Clones and Seedlings' Herklots, G.A.C.
  • 'Comparison of Seedlings and Cuttings as Planting Material' Murray, D.B.
  • 'Cocoa Breeding in the Dominican Republic' Lopez, M.V.
  • 'Cocoa Breeding at CPCRI, India' Apshara, S.E., Ananda, K.S. and Balasimha, D.
  • 'American Regional Cocoa Breeding Initiative' Motamayor, J.C.
  • 'Asia/Pacific Regional Cocoa Breeding Initiative' Lambert, S.
  • 'Global Network on Cacao Genetic Resources: Conservation for Use' IPGRI
  • 'A Farewell to INGENIC Members' Efron, Y.
  • 'Obituary: Kolawole Badaru' Eskes, A.B and Aikpokpodion, P.O.
  • 'Obituary: A.F. Peter Posnette' Lockwood, G.
  • 'Obituary: Maro Ran-ir Sondahl' Figuiera, A.

Issue 9 (July 2004) Download pdf (658 KB) ››

  • 'Imports and availability of accessions from the University of Reading Intermediate Cocoa Quarantine Facility.' Daymond, A.J., Fenn, M.G.E., Binns, H. and Hadley, P
  • 'Tackling mislabelling in cocoa germplasm collections.' Turnbull, C.J., Butler, D.R., Cryer, N.C., Zhang, D., Lanaud, C., Daymond, A.J., Ford, C.S., Wilkinson, M.J. and Hadley, P.
  • 'Synthesis and Conclusions of the INGENIC Workshop on 'Cocoa Breeding for Improved Productions Systems' held October 19-21, 2003, Ghana' Eskes, A.B
  • 'Red Pods in Progenies from the Euleupousing River in French Guiana' Lachenaud, P. and Motamayor, J-C.
  • 'West African Cocoa: A Pilot Study on DNA Fingerprinting of the Germplasm from the Cross River State of Nigeria' Bhattacharjee, R., Aikpokpodion, P., Kolesnikova-Allen, M., Badaru, K. and Schnell, R.
  • 'Screening and Evaluation of SSR Primers in Gel Systems for the Detection of Off-types in Cocoa Field Genebanks' Motilal, L.A. and Boccara, M.
  • 'Understanding the Theobroma Cacao-Crinipellis perniciosa Interaction using ESTs and Proteomic Analyses' da Silva Gesteira, A., Micheli, F., Gramacho, K., Cerquiera Alvim, F., Priminho Pirovani, C., Leal Pires, A., Mariano, A.C., Carels, N., Pires, J.L., Vincentz, M., Pereira, G. and Cascardo, J.C.M.
  • 'Frequency of Off-type Progeny among the Original ICS 1 x SCA 6 Reciprocal Families and Parental Clones used for Disease Resistance Selection in Trinidad' Schnell, R.J., Heath, M.A., Johnson, E.S., Brown, J.S., Olano, C.T., Motamayor, J-C.
  • 'Genetic Mapping and Identification of Genomic Regions Associated with Witches' Broom Resistance Derived from Alternative Sources from the Brazilian Amazon (CAB genotypes)' Albuquerque, P.S.B. and Figueira, A.
  • 'A Rootstock-Scion Experiment with Cocoa Re-analysed for Yield Efficiency' Eskes, A.B and Lachenaud, P.
  • 'Field Tests for Antixenosis and Tolerance of Cocoa towards Mirids' Babin, R., Sounigo, O., Dibog, L. and Nyasse, S.
  • 'Selection in Terms of Pod Index and Disease Resistance of Promising Cocoa Trees in Peru' Garcia, L.F., Guarda, D. and Chavez, J.J.M.
  • 'INGENIC Study Group in the Molecular Biology of Cocoa' Guiltinan, M.J.
  • 'AGORA Update - May 2004' Guiltinan, M.J.
  • 'Minutes of INGENIC General Assembly' Bekele, F.L.
  • 'Minutes of Meeting of the Ad Hoc INGENIC Working Group on Enhanced Regional Collaboration for the Improvement of Cacao Accra, Ghana October 21, 2003' Iwaro, A.D.
  • 'Regional Collaboration in Cocoa Breeding - April 3, 2004 Meeting' End, M.J,
  • 'Obituary - Hille Toxopeus' Eskes, A.B, Badaru, K.
  • 'Obituary - Eric Rosenquist Oil Palm and Cocoa Breeder in Malaysia' Lockwood, G.

Issue 8 (July 2003) Download pdf (497 KB) ››

  • 'A New Approach to Screening for Resistance to Witches’ Broom Disease in Cacao Breeding Programmes.' Surujdeo-Maharaj, S. and P. Umaharan.
  • 'Who Needs Clothing? Response to Y. Efron and Miami Group' Lockwood, G.
  • 'Survey on the Growing Practices and Planting Materials Used for Cacao Growing in the Central Region of Cameroon' Paulin, D., Snoek, L., Nyasse,S.
  • 'Accelerated Rate of Bud Sprouting on the Cacao Growth Mutant Rootstock' Efron, Y., Tade, E. and Epaina, P.
  • 'Inheritance of a Cacao Growth Mutant, MJ12-226: a Possible Interaction between Nuclear and Cytoplasmic Genes' Efron, Y., Nideson, D., Epaina, P. and Tade, E.
  • 'Differential Responses of Big, Intermediate and Small Size Cacao Clones to Increased Planting Density in Papua New Guinea' Efron, Y., Epaina, P., Marfu, J., and Mombi, S.
  • 'Differential Responses of Trinitario Cacao Clones to Attack by the Trunk Longicorn, Glenea aluensis' Efron, Y. and Epaina, P.
  • 'USDA Cacao DNA Fingerprinting Ring Test: Results from Penn State University' Swanson, J-D, Lee, A.C. and Guiltinan, M.J.
  • 'Opening New Frontiers: Review of a Research Article entitled: Stable Transformation of Theobroma cacao L. and Influence of Matrix Attachment Regions on GFP Expression' Figuiera, A.
  • 'Obituary - Dennis Bruce Murray' Quesnel, V.C.

Issue 7 (July 2002) Download pdf (1.1 MB) ››

  • 'Utilisation of cacao genetic resources at the International Cocoa Genebank, Trinidad. INGENIC Newsletter 7: 22-24.' Iwaro, A.D., Bekele, F.L. and Butler, D.R.
  • 'Is the Resistance to Phytophthora Pod Rot Mainly Polygenic and Additive' Efron, Y., Blaha G. and Epaina, P.
  • 'Verification in Global Cacao Germplasm Collections' Motilal, L.A., Butler, D.R. and Mooleedhar, V.
  • 'Cacao Germplasm: How and How Much to Collect?' Dias, L.A.S. and Almeida, C.M.V.C.
  • 'Callus and Embryo Formation in Different Cacao (Theobroma cacao L.) Clones' Silva, J.J., Acosta, L., Montes, S., Arias, E. and Oliva, E.
  • 'Rootstocks for Cacao' Purdy, L.H. and Eskes, A.B.
  • 'A Cacao Growth Mutant with Dwarfing Effect as Rootstock' Efron, Y., Nideson, D., Epaina, P. and Faure, M.
  • 'Performance of Experimental Cacao Hybrids from BAL Plantation, Malaysia in Papua New Guinea' Efron, Y., Epaina, P. and Marfu, J.
  • 'Cupuassu (Theobroma grandiflorum) Genetic Resources and Breeding in the Brazilian Amazon.' Moyses Alves, R., Figuiera, A.
  • 'Cacao Fish Bone Disorder in Papua New Guinea' Efron, Y., Epaina, P., Saul, J. and Konam, J.
  • 'Proposal for the Creation of an International Working Group on Cocoa Genome Studies' Eskes, A.B
  • 'The King is Naked: Reaction to the proposal to create an international group on cocoa genome studies' Efron, Y.
  • 'Is the King Really Naked: Response to Y. Efron.' Motamayor, J.C., Brown, J.S., Kuhn, D.S., Heath, M. and Schnell, R.J.
  • 'Obituary - Norman Simmonds' Lockwood, G.

Issue 6 (August 2001) Download pdf (811 KB) ››

  • 'Ingenic Inquiry on Priorities to be Considered in a Global Cocoa Programme' Eskes, A.B
  • 'Conclusions of the INGENIC Workshop on New Technologies and Cocoa Breeding (October 2000)' Acting INGENIC Committee
  • 'Refractario - An Explanation of the Meaning of the Term and its Relationship to the Introductions from Ecuador in 1937' Bartley, B.G.D.
  • 'Estimation of the Level of Heterozygosity of 570 Cocoa Clones using Isozyme Electrophoresis' Sounigo, O., Umaharan, R., Sankar, A. and Ramdahin, S.
  • 'Cocoa Cultivar Distinctiveness and Hybrid Prediction using RAPD markers' Dias, L.A.S., Barros Rocha, R., Muro-Abad, J.I., Fernandes Salomao, T. and Couto-Alfenas, A.
  • 'Pre-Budwood Collection Twig Manipulation: A New Procedure for Increased Budding Success' Badaru, K and Aikpokpodion, P.O.
  • 'The Origin and Compatability Relationship of the Scavina Variety of Theobroma cacao L.' Bartley, B.G.D.
  • 'Agronomic Assessment of Wild Cocoa (Theobroma cacao L.) trees from the Camopi and Tanpok Basins (French Guiana)' Lachenaud, P., Oliver, G. and Letourmy, Ph.
  • 'Overview of the Cocoa Breeding Activities in Indonesia' Mawardi, S.
  • 'Analysis of Experiments with Repeated Measures' Dias, L.A.S., Cruz, C.D. and Cameiro, P.C.S.

Issue 5 (April 2000) Download pdf (2.6 MB) ››

  • 'International Cocoa Breeding and Selection Initiatives' Eskes, A.B
  • 'The Nomenclature of the Accessions derived from Dr. F.J. Pound's Collections in Ecuador in 1937' Bartley, B.G.D.
  • 'Methodological Aspects of QTL Detection in Cacao for Traits of Agronomic Interest' Clement, D., Risterucci, A.M., Grivet, L., N'Goran, J. and Lanaud, C.
  • 'Mapping of Quantitative Trait Loci (QTLs) for Resistance to Phytophthora in Theobroma cacao L.' Risterucci, A.M., Paulin, D., N'Goran, J., Ducamp, M. and Lanaud, C.
  • 'Factors Affecting Jorquette Height in Orthotropic Buddings' Efron, Y.
  • 'Finding New Female and Male Parents for the Production of Better Hybrid Cacao Planting Material for Farmers in Ghana' Adomako, B. and Adu-Ampomah, Y.
  • 'Breeding as a Subject in the Cocoa and Chocolate Bibliography' Gerritsma, W.

Issue 4 (July 1998) Download pdf (210 KB) ››

  • 'Working Procedures for Cacao Germplasm Evaluation and Conservation' Eskes, A.B and Engels, J.M.M.
  • 'Homonymous Genotypes and Misidentification in Germplasm Collections of Brazil and Malaysia' Figuiera, A.
  • 'A Proposed Methodology to Name Newly collected Cacao' Sounigo, O.
  • 'Orthotropic (chupon) Budding' Efron, Y.
  • 'Sampling the Genetic Diversity of Criollo Cacao in Central and South America' Motamayor, J.C., Lopez, P.A., Ortiz, C., Moreno, A., Zamora, J., Pinto, M. and Lanaud, C.
  • 'Overview of the Ecuadorian Cacaos' Crouzillatt, D., Evans, M.H and Petiard, V.
  • 'Negative Selection of Cacao Seedlings highly Susceptible to Phytophthora spp using the Leaf Disc Test' Efron, Y. and Blaha, G.
  • 'Some Recent Research Findings from Brazil' Dias, L.A.S.
  • 'The Ostendorf Archive: Cocoa since 1502' Gerritsma, W.
  • 'Obituaries - J.D. Amponsah' Owusu, G.K. and Adu-Ampomah, Y.

Issue 3 (October 1997) Download pdf (3.1 MB) ››

  • 'Assessing genetic diversity in the International Cocoa Genebank of Trinidad (ICG,T) using isozyme electrophoresis.' Sounigo, O., Umaharan, R. and Sankar, A.
  • 'Conclusions of the INGENIC Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement' Acting INGENIC Committee
  • 'Comment on the Conclusions of the INGENIC Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement' Toxopeus, H.
  • 'Future Developments, Research Priorities, and Policy for the Improvement of Cocoa: Results of a Delphi Expert Investigation' Gotsch, N.
  • 'High Efficiency Somatic Embryogenesis and Genetic Transformation of Cacao' Guiltinan, M.J., Li, Z., Traore, A., Maximova, S. and Pishak, S.
  • 'An International Prokect on the Genetic Bases of Resistance of Cacao to Phytophthora' Despreaux, D. and Eskes, A.B.
  • 'Genetic/Taxonomic Structuring of the Theobroma cacao L. species - Fresh hypotheses' Lachenaud, P.
  • 'Witches Broom disease in Bahia' Ahnert, D.
  • 'Was SCAVINA collected in the Ucayali River Basin?' Figuiera, A.
  • 'Brief Report on Collection of Wild Cacao from the Euleupousing and Yaloupi Rivers in French Guiana' Lachenaud, P., Mooleedhar, V. and Couturier, C.
  • 'Crossing Pound's Trail in Tingo Maria, Peru' Toxopeus, H.
  • 'Obituary - Simeon Abiodun Akinwale' Acting INGENIC Committee

Issue 2 (March 1996) Download pdf (2.2 MB) ››

  • 'Review of the Role of Disease In Cocoa Varietal Improvement' Eskes, A.B
  • 'External Review of the Role of Disease Resistance in Cocoa Breeding' Eskes, A.B
  • 'Common Fund for Commodities Project Proposal 'Cacao Germplasm Conservation and Utilisation' - Update' Acting INGENIC Committee
  • 'Response to Issue No. 1 article on 'Cross-compatibility of Self-Incompatible Trinitarios'' Glendinning, D.
  • 'Network for Germplasm Evaluation and Utilization' Lockwood, G., Bekele, F., End, M.J and Yow, S.
  • 'Adaptability Breeding Programme at CRIN' Williams, J.A. and Akinwale, S.A.
  • 'Cocoa Breeding at the Farmer's Plot in Nigeria' Williams, J.A. and Akinwale, S.A.
  • 'Characterization and Potential Utilization of Wild Cacao from French Guiana' Lachenaud, P. and Ducamp, M.
  • 'Cocoa Breeding in Papua New Guinea' Efron, Y.
  • 'News from Pichlingue Station, Ecuador' Amores, F.
  • 'The University of Reading/BCCCA Intermediate Quarantine Facility' Hadley, P. and End, M.J.
  • 'Obituary - Don Edwards' Lockwood, G.

Issue 1 (June 1995) Download pdf (1.7 MB) ››

  • 'List of clones held at the Cocoa Quarantine Project, University of Reading as of March 1995.' Daymond, A.J.