Genomics and Physiology: agronomics/nutrition/shading

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• Land-use system modeling and analysis of shaded cacao production in Belize. by D. Rosenberg and T. Marcotte, Agroforestry Systems 2005. [PDF: 272 kb]
• Ingested cocoa can prevent high-fat diet-induced obesity by regulating the expression of genes for fatty acid metabolism by Naoko Matsui, et al. [PDF: 331 kb]
• The adoption of intensive monocrop horticulture in southern Cameroon by J. Gockowski and M. Ndoumbéb [PDF: 103 kb]
• Rootstock Effects on Cocoa in Sabah, Malaysia by Joe Pang Thau Yin [PDF: 71.4 kb]
• Effects of adding organic materials to an acid sulfate soil on the growth of cocoa (Theobroma cacao L.) seedlings by J. Shamshuddin et al. [PDF: 359 kb]
• Cultivating cacao: Implications of sun-grown cacao on local food security and environmental sustainability by J. M. Belsky and S. F. Siebert [PDF: 110 kb]
• Nutrient flows in smallholder production systems in the humid forest zone of southern Cameroon. Nutrient Cycling in Agroecosystems, vol. 76, p. 233-248, 2006 by J. Kanmegne, E.M.A. Smaling, L. Brussaard, A. Gansop-Kouomegne, and A. Boukong. [PDF: 267] posted Jan. 17 2007
• Shade tree management affects fruit abortion, insect pests and pathogens of cacao. Agriculture Ecosystems & Environment, vol. 120, p. 201-205, 2007 by M.M. Bos and T.T. Ingolf [PDF: 169 KB] posted May 30 2007
• Performance of Theobroma cacao (L.) seedlings irrigated with water from different sources. Biotechnology, vol. 5, p.330-336, 2006. by E.A. Akinrinde and K.O. Ayegboyin [PDF: 431 KB] posted May 30 2007
• Nutrient stocks, nutrient cycling and soil changes in cocoa ecosystems - a review. Advances in Agronomy, vol. 86, p. 227-253, 2005. by A.E. Hartemink [PDF: 333 KB] posted Aug 1 2007
• Fine root diameters can change in response to changes in nutrient concentrations. Plant and Soil, vol. 297, p. 234-254, 2007 by R. W. Zobel, T.B. Kinraide, and V.C. Baligar [PDF: 396 KB] posted October 2 2007
• Early growth and nutritional response to resource competition in cocoa-shade intercropped systems. Plant and Soil, vol. 298, p. 243-254, 2007. by M.E. Isaac, F. Ulzen-Appiah, V.R. Timmer and S.J. Quashie-Sam. [PDF: 231 KB] posted October 31 2007
• Is productivity of cacao impeded by epiphytes? An experimental approach. Agriculturae Ecosystems & Environment, vol. 112, p. 490-493, 2007. by S.G. Sporn, M.M. Bos, and S.R. Gradstein [PDF: 110 KB] posted October 31 2007
• Assessment of changes in selected soil properties under different land use in Obafemi Awolowo University community, Ile-Ife, Nigeria. Electronic Journal of Environmental, Agricultural and Food Chemistry, vol. 5, p. 1178-1184, 2006. by A.A. Amusan, A.K. Shitu, W.O. Makinde, and O. Orewole [PDF: 100 KB] posted November 15 2007
• Substratos e estaquia na producaode mudas de cacaueiro. Thesis: Universidade Estadual Paulista Faculdade de Ciencias e Veterinarias Campus de Jaboticabal, Sao Paulo, Brazil. May 2007 by G.A. Sodre [PDF:486 KB] posted November 15 2007
• Physical characterization of sawdust substrate and containers for growth cuttings of cacao. <Original> in Portuguese. Caracterizacao fisica de substratos a base de serragem e recipientes para crescimento de mudas de cacaueiro. Revista Brasileira de Fruticultura, vol. 29, p.339-34, 2007. by G.A. Sodre, J.E. Cora, and J.O. Souza Junior [PDF: 113 KB] posted November 15 2007
• What determines farmers' resilience towards ENSO-related drought? An empirical assessment in central Sulawesi, Indonesia. Climatic Change, vol. 86, p.291-307, 2008 by A. Keil, M. Zeller, A. Wida, B. Sanim, and R. Birner. [PDF: 243 KB] posted April 1 2008
• Temporal change in carbon stocks of cocoa-gliricidia agroforests in Central Sulawesi, Indonesia. Agroforestry Systems, vol. 73, p. 219-231 by G.L. Smiley and J. Kroschel [PDF: 264 KB] posted June 28 2008
• Field performance of Theobroma cacao L. plants propagated via somatic embryogenesis. In vitro Cellular & Development Biology, Plant, vol. 44, p. 487-493, 2008 by N. Maximova Siela; A. Young; S. Pishak; M.J. Guiltinan [PDF: 415KB] posted January 15 2009
• Characterization of elite cocoa trees selected at CATIE. Spanish, English summary. Caracterización de árboles superiores de cacao (Theobroma cacao L.) seleccionados por el programa de mejoramiento genético del CATIE. Tesis Mag. Sc. Turrialba, Costa Rica, CATIE 125 p., 2005 by A.M. Arciniegas Leal [PDF: 1733KB] posted February 2 2009
• Carbon storage and fixation in cocoa agroforestry systems with laurel (Cordia alliodora) in indigenous Talamanca. Costa Rica. Spanish. Almacenamiento y fijación de carbono del sistema agroforestal cacao Theobroma cacao L y laurel Cordia alliodora ( Ruiz y Pavón) Oken en la Reserva Indígena de Talamanca, Costa Rica. Tesis Ing. Agr. Nariño, Colombia. 111p., 2006 by A.M. Ortiz Guerrero and L. D. Riascos Chalapud [PDF: 2330KB] posted February 3 2009
• Shade regulation and tree species in cocoa plantations in Alto Beni, Bolivia. Spanish, English summary. Sombra y especies arbóreas en los cacaotales de Alto Beni, Bolivia. Agroforestería en las Américas (CATIE). Vol. 43-44 p. 54-61, 2005 by M. Ortiz and E. Somarriba [PDF: 574KB] posted February 3 2009
• Adoption of technological innovations in cocoa cultivation in Alto Beni, Bolivia. Spanish, English summary. Adopción de las Alternativas Technológicas por el Proyecto "Modernización de la Cacaocultura Orgánica del Alto Beni". Tesis Ing. Agr. Universidad Mayor de San Andrés, Bolivia. p. 106, 2005 by W.L. Quenta [PDF: 3560KB] posted February 3 2009
• Prospective adoption of technological innovations for the organic cacao plantations of Alto Beni, Bolivia. Spanish, English summary. Adopción prospectiva de las innovaciones tecnológica de cacao en el Alto Beni, Bolivia. Agroforestería en las Américas (CATIE). Vol. 43-44 p. 32-37, 2005 by W.L. Quenta, M. Bentes Gama, E. Somarriba and A. Pastrana [PDF: 291KB] posted February 3 2009
• Shade design and management in cocoa plantations. Spanish, English summary. El desiño y manejo de la sombra en el cacaotal. CATIE, Turrialba, Costa Rica. Serie Técnica. Manual Técnico N° 59. 55 p., 2005 by E. Somarriba and F. Quesada [PDF: 5430KB] posted February 3 2009
• Modernization of the organic cultivation of cocoa in Alto Beni, Bolivia. Spanish, English summary. Modernización de la cacaocultura orgànica dl Alto Beni, Bolivia. Agroforestería en las Américas (CATIE). Vol. 43-44 p. 6-14, 2005 by E. Somarriba and L. Trujillo [PDF: 262KB] posted February 3 2009
• Visual estimation of shade levels in cocoa and coffee plantations. Spanish with English summary. Estimación visual de la sombra en cacaotales y cafetales. Agroforestería en las Américas (CATIE). Vol. 9 (35-36), p. 86-94, 2002 by E. Somarriba [PDF: 817KB] posted February 24 2009
• Rootstock effects on cocoa in Sabah, Malaysia. Experimental Agriculture, Vol. 40, p. 445-452, 2004 by J. Pang Thau Yin [PDF: 72KB] posted February 25 2009
• Organic phosphorus in soils under cocoa agrosystems. In Portuguese. Fosforo organico em solos sob agrossistemas de cacau. Revista Brasileira de Ciencia do Solo, Vol. 32, p. 1987-1995, 2008 by F.C. Zaia, A.C. da Gama-Rodrigues, E.F. da Gama-Rodrigues and R.C.R. Machado. [PDF: 889KB] posted April 8 2009
• Forms and doses of urea to fertilize clonal cocoa tree cuttings cultivated in substrate. Original in Portuguese. [Formas de adubacao e doses de ureia para mudas clonais de cacau cultivadas em substrato]. Revista Brasileira de Ciencia do Solo, vol. 32, p. 2367-2374, 2008 by J.O. de Souza Junior and Q.A. de Carmello. [PDF: 931KB] posted April 23 2009
• Obtention of cocoa plants (Theobroma cacao L.) through micrografting of somatic embryos. In Spanish with English summary. Obtención de plantas de cacao (Theobroma cacao L.) a partir del microinjerto de embriones somáticos. Tesis Mag. Sc. Turrialba, Costa Rica, CATIE 131  p., 1990 by M.E. Aguilar Vega [PDF: 6.94MB] posted April 6 2009
• Evaluation of hybrid cocoa under two shade systems in Turrialba, Costa Rica. Spanish with English summary. [Evaluación de cacao híbrido bajo dos sistemas de sombra en Turrialba, Costa Rica]. Turrialba (IICA). Vol.41 (4) p. 572-577., 1991 by J. Morera and A. Mora. [PDF: 970KB] posted May 7 2009
• Characterization of a population of national cocoa in CATIE, Costa Rica. Spanish with English summary. [Caracterización de una población de cacao nacional en el CATIE, Costa Rica].  Turrialba (IICA). Vol. 41 (4)  p. 583-588., 1991 by J. Morera, A. Mora and A. Parades. [PDF: 386KB] posted May 7 2009
• Pests, shade and companion crops in cocoa.  Spanish. [Aspectos fitopatológicos relacionados con la sombra y con los cultivos asociados al cacao]. CATIE, Turrialba, Costa Rica.  Serie Técnica. Informe Técnico N°  206. p. 31-46., 1991 by W. Phillips Mora. [PDF: 7.8MB] posted May 7 2009
• Evaluation of the resistance of cacao cultivars (Theobroma cacao L) to Moniliophthora roreri (Cif. y Par.) Evans et al. [ Evaluación de la resistencia de cultivares de cacao (Theobroma cacao L.) a Moniliophthora roreri (Cif. y Par.) Evans et al]. Tesis Mag. Sc. Turrialba, Costa Rica, CATIE. 100 p., 1986 by W. Phillips Mora. [PDF: 194KB] posted May 7 2009
• Natural abundance of N-15 in two cacao plantations with legume and non-legume shade trees. Agroforestry Systems, vol. 76, p. 303-315, 2009 by P. Nygren and H.A. Leblanc. [PDF: 4 47KB] posted July 31 2009
• Biomass quantification and emisson reduction certificates for rubber -cocoa intercropping. In Portuguese. [Quantificacao de biomassa e geracao de certificados deemissoes reduzidas no consorcio seringueira-cacau]. Revista Arvore, vol. 32, p. 969-978, 2008 by M.K. Cotta, L.A.G. Jacovine, H.N. Paiva, C.P.B. de Soares, A. Virgens Filho and S.R. de C. Valverde. [PDF: 342KB] posted July 31 2009
• Potential of natural and improved fallow using indigenous trees to facilitate cacao replanting in Ghana.  Agroforestry Systems, vol. 76, p. 533-542, 2009 by G.J. Anim-Kwapong and K. Osei-Bonsu [PDF: 269KB] posted August 31 2009  
• Dynamixs of cocoa pollination: tools and applications for surveying and monitoring cocoa pollinators. International Journal of Tropical Insect Science, vol. 29, p.62-69, 2009 by E.A. Frimpong, I. Gordon, P.K.. Kwapong and B. Gemmill-Herren [PDF: 288KB] posted September 22 2009
• Phenological growth stages of cacao plants (Theobroma sp.): codification and description according to the BBCH scale. Annals of Applied Biology, ISSN 0003-4746, 2009 by N. Niemenak, C. Cilas, C. Rohsius, H. Bleiholder, U. Meier, and R. Lieberei [PDF: 683KB] posted November 9 2009
• Differential soil acidity tolerance of tropical legume cover crops. Comm. Soil Science and Plant Analysis, vol. 40 p. 1148-1160, 2009 by N.K. Fageria; V.C. Baligar; Y.C. Li. [PDF: 305KB] posted February 19, 2010
• Gomes effects of substrate flooding on growth and chemical composition of Theobroma cacao L. clonal genotypes [Efeitos do alagamento do substrato no crescimento e na composição química de genótipos clonais de Theobroma cacao L]. In Portuguese. Revista Brasileira de Fruticultura, vol.31 (3), p. 805-815, 2009 by B.C. Rehem, B.C.; A-A.F. de Almeida; M.S. Mielke; F.P. [PDF: 805KB] posted February 19, 2010
• Pollen performance in self-compatible and self-incompatible cacao trees (Theobroma cacao L.) [Performance polínica em cacaueiros (Theobroma cacao L.) autocompatíveis e autoincompatíveis].  Revista Brasileira de Botanica, 32 (3), pp. 617-620, 2009 by P.R.E. de Godoy, M.M. Souza, F.A. Roza, P.R. Lawinscky, I.S. Araújo, D. Ahnert. [PDF: 124KB] posted March 1, 2010
• A Study on Effects of Soil Physico-Chemical Properties on Cocoa Production in Ondo State. Modern Applied Science, vol. 4, 5 p., 2010 by I.R. Ajayi; I. Ayodele Ololade ; E. Alaba Gbadamosi ; M. Zaid Mohammed ; G. Ayodeji, A.G. Sunday [PDF: 314KB] posted July 7, 2010
• Fertilizer use and cocoa production in Cross River State, Nigeria. ARPN Journal of Agricultural and Biological Science, vol. 5, p. 10-13, 2010 by S.O. Agbeniyi, M.O. Ogunlade, K.A. Oluyole. [PDF: 201KB]  posted August 9, 2010
• Agronomy and Physiology of Tropical Cover Crops. Journal of Plant Nutrition, vol. 30, p.1287-1339, 2007 by V.C. Baligar, N.K. Fageria. [PDF: 218KB] posted September 7, 2010
• Soil Aluminum Effects on Growth and Nutrition of Cacao. Soil science and plant nutrition, vol. 51,  p. 709-713, 2005 by Virupax C. Baligar, and N. and K. Fageria. [PDF: 464KB] posted October 8, 2010

• Correlación de actividades enzimáticas con la respiración basal en suelos cacaoteros del occidente venezolano. Advances en Quimica, vol. 4, p. 73-77, 2009 (in Spanish) by Armado, A., F. Contreras, P.  García, J. Paolini.  [PDF: 227KB] posted October 25, 2010

• Use of Plant Derived Ash as Potassium Fertilizer and Its Effects on Soil Nutrient Status and Cocoa Growth. Jurnal Tanah Tropika, vol. 14, p. 185-193, 2009 by J. Bako Baon.  [PDF: 131KB] posted December 2, 2010
• Preliminary study of cacao (Theobroma cacao L.) crop in the Municipality of Tucupita. Delta Amacuro state, Venezuela.  Revista Científica UDO Agrícola, vol. 9, p. 268-272, 2009 by E. Rendiles, A. Dimas, L. Montero. [PDF: 214KB] posted December 2, 2010
• The Effectiveness of AMF Inoculum to Enhance the Potency of Papuan Crandallite Phosphate Rock and the Growth of Cocoa Seedling.  Jurnal Tanah Tropika, vol. 14 (3), p. 261-267, 2009 by A. Suparno.  [PDF: 333KB] posted December 2, 2010
• Influence de la mortalité des cacaoyers sur la stabilité de la production dans une plantation industrielle. Tropicultura, vol. 26, p. 33-38, 2008 by P. Bastide, D. Paulin, P. Lachenaud. [PDF: 409KB] posted December 2, 2010
• Light Intensity effects on growth and micronutrient uptake by tropical legume cover crops. Journal Plant Nutrition, vol. 29, p.1959-1974, 2006 by V.C. Baligar, N.K. Fageria, A.Q. Paiva, A. Silveira, A.W.V. Pomella, R.C.R. Machado. [PDF: 577KB] posted December 22, 2010
• Irradiance, external carbon dioxide concentration and temperature influence photosynthesis in tropical cover crop legumes.  Journal Tropical Grass Lands, vol. 44, p. 24-32, 2010 by V.C. Baligar, J. A. Bunce, M. K. Elson and N. K. Fageria. [PDF: 192KB] posted December 22, 2010
• Concentration and uptake of P, Zn and Fe as influenced by soil acidity and levels and forms of N, P and Fe in cacao. 15th ICR Conference, San Jose Costa Rica October 9-14, 2006. 15th International Cocoa Research Conference, I: 723-729, 2007 by V.C. Baligar, N.K. Fageria, R.C. Machado, L. Meinhardt. [PDF: 563KB] posted December 22, 2010
• Light intensity effects on growth and nutrient use efficiency of tropical legume cover crops. Advances in Agroforestry, vol. 4, p. 67-79, 2008 by V.C. Baligar, N.K. Fageria, A. Paiva, A. Silveria, J.O. Souza Jr, E. Lucena, J.C. Faria, R. Cabral, A.W. Pomella, J. Jorda Jr. [PDF: 97KB] posted December 22, 2010
• Yield nutrient uptake and soil chemical properties as influenced by liming and boron application in common bean in no tillage system. Communications Soil Science Plant Analysis, vol. 38, p.1-17, 2007 by N.K. Fageria, V.C. Baligar, R.W. Zobel. [PDF: 129KB] posted December 22, 2010
• Ameliorating soil acidity of tropical Oxisols by liming for sustainable crop production. Advances in Agronomy, vol. 99, p.345-399, 2008 by N.K. Fageria, V.C. Baligar. [PDF: 681KB] posted December 22, 2010
• Characterization of soil litter fauna in different cocoa agroecosystems. 15th ICR Conference, San Jose Costa Rica October 9-14,     2006. 15th International Cocoa Research Conference, I: 365-370, 2007 by M.K.S. Moço, E.F. Gama-Rodrigues, A.C. Gama-Rodrigues, R.C.R. Machado, V.C. Baligar. [PDF: 461KB] posted December 22, 2010
• Establishment of  cover crops and their growth  nutrient uptake in a humid tropical soil of the Peruvian Amazon.  Applied Ecology, vol. 7, p. 23-28, 2008 (Spanish) F. Puertas, E. Arévalo, L. Zúñiga, J. Alegre, O. Loli, H. Soplin, V.C. Baligar. [PDF: 134KB] posted December 22, 2010
• Response of representative cover crops to aluminum toxicity, phosphorus deprivation, and organic amendment. Australian Journal Agricultural Research, vol. 59, p. 52-61, 2008 by F.C.B. Vieira,  Z.L. He, P.C. Wilson, C. Bayer, P.J. Stoffella, V.C. Baligar. [PDF: 273KB] posted December 22, 2010
• Organic amendment effects on the transformation and fractionation of aluminum in acidic sandy soil. Comm Soil Science Plant Analysis, vol. 39, p. 2678-2694, 2008 by F.C.B. Vieira , Z.L. He, C. Bayer, P.J. Stoffella, V.C. Baligar. [PDF: 365KB] posted December 22, 2010
• Período mínimo de colheita para avaliação de cultivares de cacau em Linhares-ES.  Revista Árvore, vol. 27, p. 495-501, 2003 by L.A.S. Dias, C.A.S. Souza, S.G. Augusto, P.R. Siqueira, M.W. Muller. [PDF: 68KB] posted April 4, 2011.
• Soil Fertility Analysis in Two Cocoa Farming Towns in the Central Region of Ghana.  Asian Journal of Agricultural Sciences, vol. 3, p. 94-99, 2011 by O. Agyemang, A.A. Golow, Y. Serfor-Armah, H.  Ackah, H. Ahiamadjie, O. Gyampo, E. Akortia, J.B. Tandoh, R.K. Yankey. [PDF: 228KB] posted May 3, 2011
• Phenotypic Variability and Diversity Analysis of Bean Traits of Some Cocoa Hybrids in Nigeria. Asian Journal of Agricultural Sciences, vol. 3, p. 127-131, 2011 by A.V. Oyedokun, A.A. Omoloye, B.D.  Adewale, O.O. Adeigbe, O.O. Adenuga, P.O. Aikpokpodion.  [PDF: 71KB] posted May 3, 2011

• Resposta de eixos embrionários de cupuaçu (Theobroma grandiflorum Schum.) à concentração de sais, doses de sacarose e renovação do meio de cultivo. Rev. Bras. Frutic. [online]. 2002, vol.24, n.1, pp. 246-248. ISSN 0100-2945 by M.D.R. Ferreira, et al. [PDF: 172KB] posted June 8, 2011

• Actual and potential photosynthetic rates of tropical crop species. Revista Brasileira de Fisiologia Vegetal, vol. 13, p. 24-32, 2001 by F.M. DaMatta, R.A. Loos, R. Rodrigues, R.S. Barros. [PDF: 156KB] posted June 8, 2011

• The green, blue and grey water footprint of crops and derived crop products. Hydrol. Earth Syst. Sci., 15, 1577–1600, 2011 by M.M. Mekonnen, A.Y. Hoekstra. [PDF: 1.1MB] posted June 8, 2011

• Characterization in silico of flavonoids biosynthesis in Theobroma cacao L.  Network Biology, 2011, 1(1): 34-45 by A. Rodriguez, D. Infante. [PDF: 235KB] posted June 8, 2011

• Soil fertility status under different tree cropping system in a southewestern zone of Nigeria. Notulae Scientia Biologicae, vol. 3, p. 123-128, 2011. Ogunkunle, C.O., Awotoye, O.O. [281KB] posted November 2, 2011
• C and N Content in Density Fractions of Whole Soil and Soil Size Fraction Under Cacao Agroforestry Systems and Natural Forests in Bahia, Brazil. Environmental Management, p. 1-8, 2011. Rita, J.C.O, Gama-Rodriques, E.F., Gama-Rodrigues, A.C., Polidoro, J.C., Machado, R.C.R., Baligar, V.C. [PDF: 233 KB] posted November 2, 2011
• Dynamics of insect pollinators as influenced by cocoa production systems in Ghana.  Journal of Pollination Ecology, 2011, vol. 5, p. 74-80.  Frimpong , E.A., Gemmill-Herren, B., Gordon, I., Kwapong , P.K. [PDF: 386 KB] posted November 16, 2011

YIELD

**Groenveld, J.H., Tscharntke, T., Moser, G., Clough, Y. Experimental evidence for stronger cacao yield limitation by pollination than by plant resources. Perspectives in Plant Ecology, Evolution and Systematics, vol. 12, p. 183-191, 2010. (Genomics& PhysiologyYield1MB) posted August 4, 2011

•  A diagnostic study of constraints to achieving yield potentials of cocoa (Theobroma cacao L.) varieties and farm productivity in Nigeria. Journal of Agricultural Science, vol. 3, issue 4, 2011. Aikpokpodion , P.O., Adeogun, S.O. [PDF: 228KB] posted on December 6, 2011