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SIC 831    Theobroma cacao

 Vello, F., Garcia, J.R. & Magalhaes, W.S. (1974)
Producao e selecao de cacaueiros hibridos na Bahia. Proceedings of the 4th International Cocoa Conference, 1972, St. Augustine, Trinidad. Cocoa Research Unit, Trinidad. pp. 38-56.

Derivation: Selecao Instituto do Cacau.
Location: Bahia, Brazil.

Habit - prolific and vigorous. Fruit - thin husks. Seeds -small.

Notes:  Vello et al., 1974a [VEL74A]. Clones with numbers less than 100 are from selections made from the area around the Experimental Station at Urucuca. Clones with numbers between 100 and 800 are the progeny from these clones and clones with numbers greater than 800 are selections from a CATONGO population at the same experimental station.

Bartley, 1995a [BAR95A]. Types include Para, Comum, Catongo and Maranhao. Possibly originally from Brazilian-Venezuelan border.

Bartley, 1998a [BAR98A] The clones in this series are constituted in the following way. Numbers 1-28 are selections made on the farm which was later developed into the Urucuca research station. Numbers 28-800 are open pollinated seedlings of the previous selections. They are random selections made without any discrimination. The rows of progeny were consecutively numbered in order of planting but unfortunately no records were kept of the original planting or of the parentage of each progeny. Numbers above 800 are seedling progenies of CATONGO. All basic characters of these plants should be the same so all of these must have white seeds if they are correctly identified.
 

 PEDIGREE DETAILS

 Mother to:
KKM 17    Lee, M.T. et al., 1993

 HELD IN

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List received in 2012   Reference
• Accession: 29
   - Local Name: SIC 831
   - Year of Accession: 1980
List received in 1987   Reference
• Local Name: SIC 831
   - Year of Accession: 1977
List received in 2015   Reference
• Accession: SIC 831 Quadra 1
   - Local Name: SIC 831
List received in 1971   Reference
• Local Name: SIC 831

 DISEASE

 Ceratocystis
Susceptible (Branch).
Note: Based on mycelium growth.. Classed as Very Susceptible
 Stela Dalva Vieira Midlej Silva, 2003
 Phytophthora
Tolerant, sp. P. palmivora (Pod).
 Enriquez, G. & Soria, V.J., 1977

 BEAN

 Enriquez, G.A. & Soria, V.J., 1967
Colour Purple: 15 %
Colour White: 85 %
Length: 25.5 mm
Width: 12.3 mm
Thickness: 7.7 mm
Cotyledon Wet Weight: 1.57 g
Cotyledon Dry Weight: 1.09 g
 Reference
 Morera, J. & Mora, A., 1990
Colour Dark Purple: 15 %
Colour White: 85 %
Cotyledon Wet Weight: 1.57 g
Cotyledon Dry Weight: 1.09 g
Cotyledon Length: 25.5 mm
Cotyledon Width: 12.3 mm
Cotyledon Thickness: 7.7 mm
 Reference

 FRUIT

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 Brazil - CEPEC, 1987
Rugosity: smooth
 Reference
 Enriquez, G.A. & Soria, V.J., 1967
Shape: amelonado
Husk Thickness: 16.3 mm
Length: 144.0 mm
Breadth: 93.0 mm
Colour: yellow
Hardness: moderate
Length Breadth Ratio: 1.56
 Reference
 Morera, J. & Mora, A., 1990
Shape: amelonado
Rugosity: smooth
Husk Thickness: 16.3 mm
Length: 144.0 mm
Breadth: 93.0 mm
Colour: yellow
Hardness: moderate
Length Breadth Ratio: 1.54
 Reference

 FLUSH

 Enriquez, G.A. & Soria, V.J., 1967
Colour: anthocyanin absent
 Reference
 Morera, J. & Mora, A., 1990
Colour: white
 Reference

 LEAF

 Enriquez, G.A. & Soria, V.J., 1967
Length to Width Ratio: 2.71
Basal Angle: 148.0 °
Apical Angle: 95.0 °
 Reference
 Morera, J. & Mora, A., 1990
Length to Width Ratio: 2.71
Basal Angle: 148.0 °
Apical Angle: 95.0 °
 Reference

 FLOWER

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 Brazil - CEPEC, 1987
Self Compatibility: self compatible
 Reference
 Enriquez, G.A. & Soria, V.J., 1967
Bud Colour: anthocyanin absent
Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Guide Line Length: 3.60 mm
Sepal Colour: anthocyanin absent
Sepal Width: 2.80 mm
Sepal Length: 8.00 mm
Sepal Length to Width Ratio: 2.91
Ligule Length: 3.60 mm
Ligule Width: 2.50 mm
Ligule Length to Width Ratio: 1.47
Ribbon Length: 3.50 mm
Ribbon Colour: anthocyanin absent
Ovary Colour: anthocyanin absent (apical), anthocyanin absent (basal)
Ovary Width: 1.50 mm
Ovary Length: 2.30 mm
Ovary Length to Width Ratio: 1.51
Ovule Number: 55
Style Colour: anthocyanin absent (apical), anthocyanin absent (basal)
Style Length: 2.20 mm
Staminode Colour: anthocyanin absent
Staminode Length: 8.40 mm
Pedicel Length: 17.60 mm
Pedicel Colour: anthocyanin absent, anthocyanin absent (ab), anthocyanin absent (basal)
Hairs on Upper Surface of Sepal: present
Pigmented Glands on Lower Surface of Sepal: present
Horns at Base of Guide Lines: absent
Pigmented Spot on Pollen Sac: absent
Self Compatibility: self incompatible
 Reference
 Morera, J. & Mora, A., 1990
Bud Colour: white
Ligule Colour: white
Stamen Colour: anthocyanin absent
Guide Line Length: 3.60 mm
Sepal Colour: white
Sepal Width: 2.80 mm
Sepal Length: 8.00 mm
Ligule Length: 3.60 mm
Ligule Width: 2.50 mm
Ribbon Length: 3.50 mm
Ribbon Colour: white
Ovary Width: 1.50 mm
Ovary Length: 2.30 mm
Ovule Number: 55
Style Colour: white (apical), white (basal)
Style Length: 2.20 mm
Staminode Colour: white
Staminode Length: 8.40 mm
Pedicel Length: 17.60 mm
Pedicel Colour: white, white (ab), white (basal)
Hairs on Upper Surface of Sepal: present
Pigmented Glands on Lower Surface of Sepal: present
Horns at Base of Guide Lines: absent
 Reference

Vello, F., Garcia, J.R. & Magalhaes, W.S. (1974) Producao e selecao de cacaueiros hibridos na Bahia. Proceedings of the 4th International Cocoa Conference, 1972, St. Augustine, Trinidad. Cocoa Research Unit, Trinidad. pp. 38-56.
Lee, M.T., Tay, E.B., Lamin, K. & Saedi, M. (1993) Catalogue of locally collected clones in Malaysia. Catalogue compiled by the Malaysian Cocoa Board, Sabah, Malaysia.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Almeida, C.M.V.C. de, Barriga, J.P., Machado, P.F.R. & Bartley, B.G.D. (1987) Evolucao do programa de conservacao dos recursos geneticos de cacau na Amazonia Brasileira. CEPLAC/DEPEA, Boletim Tecnico, Belem, Brasil 5: pp.108.
Almeida, Caio Márcio Vasconcellos Cordeiro de, Francisco Antônio Neto, Acácio de Paula, Silva, José Raymundo Pires Medeiros & Antonio de Almeida Lima (2015) RECURSOS GENÉTICOS DE CACAUEIRO EM RONDÔNIA: RETROSPECTIVA HISTÓRICA, ORIGEM E INVENTÁRIO [Genetic Resources of Cacao in Rondônia: Historical Overview, Origin and Inventory]. Agrotrópica (Itabuna) 27 (2): 93–124
Leon, J. & Sgaravatti, E. (1971) Provisional list of genetic materials for plant introduction and exchange. AGPE Misc 71/2. FAO, Rome. pp. 26.
Stela Dalva Vieira Midlej Silva (2003) Ensaios Para Avaliação do Cacaueiro à Murcha-de-Ceratocystis na Bahia, Brasil. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.
Enriquez, G. & Soria, V.J. (1977) Mejoramiento genético para resistencia a cinco enfermedades del cacao. In: Proceedings of the 6th International Cocoa Research Conference, Caracas, Venezuela, 1977. Cocoa Producers' Alliance, Lagos, Nigeria. pp. 45-56.
Enriquez, G.A. & Soria, V.J. (1967) Cacao Cultivars Register. IICA Teaching and Research Centre, Costa Rica
Morera, J. & Mora, A. (1990) Banco de Germoplasma de Cacao del CATIE. Information supplied on computer diskette by CATIE, Turrialba, Costa Rica.
Brazil - CEPEC (1987) List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.