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SGU 69    Theobroma cacao

 Rivera De Leon, S. (1989)
Informe sobre manejo de germoplasma de cacao en Guatemala. E.E. Los Brillantes, Santa Cruz Mulua, Retalhuleu, Guatemala. pp. 16.

Derivation: Selecciones GUatemaltecas.
Collected by Anleu.
Location: Los Brillantes, Guatemala.

Notes:  Selections made 1955-57.

Riviera & Salas, 1989a [RIV89A], Riviera, 1989a [RIV89B]. A collection of 120 elite plants noted for high pod production (100-300 pods) and resistance to Black pod. Selected from the farms "San Ignacio", "La Soledad", "Villa Edna", "San Agustín Ixtacapa" and "Buenos Aires" in San Antonio and "El Recreo" in Cuyotenango in the state of Suchitepéquez. From these selections, 40 commercial clones were selected.

Lockwood, 1973a [LOC73A]. Matina x Criollo hybrids, the criollo being of different origin to the Mexican Soconusco type.


 

 PEDIGREE DETAILS

 Parents:
MATINA  x CRIOLLO [CRI]    Costa Rica - CATIE, 1981

 HELD IN

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List received in 1994   Reference
• Local Name: SGU 69
List received in 1994   Reference
• Local Name: SGU 69
List received in 1990   Reference
• Local Name: SGU 69
• Local Name: SGU 69
List received in 1992   Reference
• Local Name: SGU 69
   - Year of Accession: 1987
List received in 2016   Reference
• Accession: TARS 16827     GRIN-Global 
   - Local Name: SGU 69
   - Year of Accession: 1939

 DISEASE

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 Frosty Pod Rot
Susceptible, 93.00 % Infection
Note: External Severety = 2.4 and Internal Severety = 4.2
 Phillips, W., 1996
Susceptible, 100.00 % Infection
Note: External Severety = 2.4 and Internal Severety = 4.2
 Phillips, W., 1997
 Phytophthora
Susceptible, 88.00 % Infection, sp. P. palmivora (Pod).
Note: Unripe and not wounded
 Lopez-Baez, O. et al., 1996
 Vascular Streak Dieback
Susceptible
 Chong, T.C. & Phua, P.K., 1993

 YIELD

 Costa Rica - CATIE, 1981
Seed Index: 98.0 (dried beans per 100g)
Productivity: medium - high
 Reference

 BEAN

 Costa Rica - CATIE, 1981
Colour Dark Purple: Absent
Colour Light Purple: Present
Colour Grey: Absent
Colour White: Absent
Colour Mottled: Absent
Number: 35.1
Maximum Number: 43
Cotyledon Wet Weight: 1.73 g
Cotyledon Dry Weight: 1.02 g
Cotyledon Length: 22.9 mm
Cotyledon Width: 13.2 mm
Cotyledon Thickness: 8.1 mm
 Reference

 FRUIT

 Costa Rica - CATIE, 1981
Basal Constriction: moderate - strong
Apex Form: obtuse
Rugosity: moderate
Husk Thickness: 6.65 mm (8.2 - 5.1)
Length: 145.0 mm
Breadth: 75.0 mm
Colour: absent anthocyanin
Weight: 331.0 g
Pods Per Tree: 6
Hardness: hard
Length Breadth Ratio: 1.93
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.59
 Reference

 FLUSH

 Costa Rica - CATIE, 1981
Colour: brownish orange
 Reference

 FLOWER

 Costa Rica - CATIE, 1981
Ligule Colour: slight anthocyanin (apical)
Stamen Colour: intense anthocyanin
Sepal Colour: greyish green
Sepal Width: 2.25 mm
Sepal Length: 8.24 mm
Ligule Length: 6.96 mm
Ligule Width: 1.93 mm
Ovary Colour: slight anthocyanin (apical)
Ovary Width: 0.98 mm
Ovary Length: 1.50 mm
Style Length: 1.69 mm
Staminode Length: 7.66 mm
Pedicel Colour: pastel red
Note: Translation of Methuen colour codes.
 Reference

Rivera De Leon, S. (1989) Informe sobre manejo de germoplasma de cacao en Guatemala. E.E. Los Brillantes, Santa Cruz Mulua, Retalhuleu, Guatemala. pp. 16.
Costa Rica - CATIE (1981) Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.
Guatemala - Los Brilliantes (1994) Lista de clones existentes en la Estacion de Investigacion y Produccion Agricola "Los Brillantes" a Agosto 1994. M.T. Reyes Barrios, EIAP Guatemala. Personal Communication.
Honduras - CEDEC (1994) List of accessions in CEDEC, La Masica, Honduras. J.A. Sanchez, FHIA, Honduras. Personal Communication.
Malaysia - ARC Tuaran (1990) List of clones held in the Dept. of Agriculture's collection, at Sabah, Tuaran, Malaysia. E.B. Tay, Malaysian Cocoa Board, Malaysia. Personal Communication.
Lopez-Baez, O., Mulato-Brito, J. & Lopez-Arroyo, J. (1992) Recursos geneticos del cacao, Theobroma cacao L. disponibles en Mexico. Agricultura Tecnico Mexicana 18(1-2): pp. 25-38.
USDA, ARS Tropical Agriculture Research Station, Mayaguez, Puerto Rico. (2016) List of cocoa accessions held at Mayaguez in April 2016. USDA-ARS GRIN-Global. [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
Phillips, W. (1996) Cocoa cultivar reaction when innoculated with Moniliophthora roreri. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
Phillips, W. (1997) Results of the artificial inoculation of Moniliophthora rorei using the Aspersion method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
Lopez-Baez, O., Fraire, V.G. & Cueto, M.J. (1996) Mejoramiento genetico para la resistencia a Phytophthora en Mexico. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.51-55.
Chong, T.C. & Phua, P.K. (1993) Cocoa germplasm conservation and utilization at Cocoa Research Station, Quoin Hill-Department of Agriculture, Sabah, Malaysia. In: Proceedings of the International Workshop on Conservation, Characterisation and Utilisation of Cocoa Genetic Resources in the 21st Century. CRU, UWI, Trinidad. pp. 379-388.