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SGU 4    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.


 

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

 HELD IN

 Costa Rica, Centro Agronómico Tropical de Investigación y Enseñanza (CATIE)
List received in 2018   Reference
• Accession: 10472
   - Local Name: SGU-4
   - Year of Accession: 1960
List received in 1994   Reference
• Local Name: SGU 4

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Susceptible, 95.00 % Infection
Note: External Severety = 4.4 and Internal Severety = 4.4
 Phillips, W., 1996
Susceptible, 95.00 % Infection
Note: External Severety = 4.4 and Internal Severety = 4.4
 Phillips, W., 1997
Moderate Resistance, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Morera, J., 1993

Seed Index: 76.3 (dried beans per 100g)
Productivity: low
 Reference

Colour Dark Purple: Absent
Colour Light Purple: Present
Colour Grey: Absent
Colour White: Absent
Colour Mottled: Present
Number: 36.7
Maximum Number: 47
Cotyledon Wet Weight: 2.32 g
Cotyledon Dry Weight: 1.31 g
Cotyledon Length: 24.5 mm
Cotyledon Width: 12.4 mm
Cotyledon Thickness: 9.6 mm
 Reference

Basal Constriction: moderate
Apex Form: slightly acute - acute
Rugosity: moderate - intense
Husk Thickness: 8.6 mm (10.8 - 6.4)
Length: 219.0 mm
Breadth: 84.0 mm
Colour: absent anthocyanin
Weight: 656.0 g
Pods Per Tree: 3
Hardness: hard
Length Breadth Ratio: 2.60
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.77
 Reference
Shape: amelonado
Colour: green
 Reference

Colour: brownish orange
 Reference

Ligule Colour: anthocyanin absent (apical)
Stamen Colour: slight anthocyanin
Sepal Colour: greyish green
Sepal Width: 2.29 mm
Sepal Length: 8.97 mm
Ligule Length: 7.38 mm
Ligule Width: 2.09 mm
Ovary Colour: slight anthocyanin (apical)
Ovary Width: 1.00 mm
Ovary Length: 1.34 mm
Style Length: 2.16 mm
Staminode Length: 7.41 mm
Pedicel Colour: pastel red
Note: Translation of Methuen colour codes.
 Reference
Self Compatibility: self compatible
 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.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
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.
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
Morera, J. (1993) Reaction of clones to Phytophthora palmivora. J. Morera, CATIE, Costa Rica. Personal Communication.
Morera, J., Paredes, A. & Mora, A. (1991) Germoplasma de cacao en el CATIE entre 1947 y 1991, Programa II: Generacion y transferencia de tecnologia. IICA, San Jose, Costa Rica, pp. 49.