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SCR 4    Theobroma cacao

 Lockwood, G. & Gyamfi, M.M.O. (1979)
The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.

Derivation: San CRistobal.
Collected by CATIE/IICA.
Location: San Cristobal, Costa Rica.

Bartley, 1995a [BAR95A]. Fruit - broad shorter with a blunt apex and a slightly rough surface, very light green with some surface pigmentation.

Notes:  Lockwood & Gyamfi, 1979, [LOC79A] Costa Rican selections mainly of MATINA type.

Bartley, 1995a [BAR95A]. Progenies of an advanced generation of a hybrid between a Criollo and the Central American "Amelonado" with a predominance of the Criollo element.


 

 PEDIGREE DETAILS

 Parents:
MATINA  x Unknown   Costa Rica - CATIE, 1981

 HELD IN

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List received in 2012   Reference
• Accession: 320
   - Local Name: SCR 4
   - Year of Accession: 1981
List received in 2018   Reference
• Accession: 10467
   - Local Name: SCR-4
List received in 1990   Reference
• Local Name: SCR 4
List received in 1998   Reference
• Local Name: SCR 4
List received in 2016   Reference
• Accession: TARS 16823     GRIN-Global 
   - Local Name: SCR 4
   - Year of Accession: 1939
List received in 2012   Reference
• Local Name: SCR 4
   - Year of Accession: 1993

 DISEASE

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 Frosty Pod Rot
Susceptible, 100.00 % Infection
Note: External Severety = 3.9 and Internal Severety = 4.6
 Phillips, W., 1997
Susceptible, 100.00 % Infection
Note: External Severety = 3.9 and Internal Severety = 4.6
 Phillips, W., 1996
 Phytophthora
Moderate Resistance, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Morera, J., 1993

 YIELD

 Costa Rica - CATIE, 1981
Seed Index: 46.2 (dried beans per 100g)
Productivity: 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: 29.1
Maximum Number: 38
Cotyledon Wet Weight: 3.38 g
Cotyledon Dry Weight: 2.16 g
Cotyledon Length: 29.5 mm
Cotyledon Width: 17.3 mm
Cotyledon Thickness: 11.0 mm
 Reference

 FRUIT

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 Brazil - CEPEC, 1987
Rugosity: smooth
 Reference
 Costa Rica - CATIE, 1981
Basal Constriction: absent
Apex Form: slightly acute
Rugosity: slight
Husk Thickness: 12.75 mm (14.7 - 10.8)
Length: 182.0 mm
Breadth: 103.0 mm
Colour: absent anthocyanin
Weight: 850.0 g
Pods Per Tree: 7
Hardness: moderate
Length Breadth Ratio: 1.76
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.84
 Reference
 Morera, J. et al., 1991
Shape: amelonado
Colour: green
 Reference

 FLUSH

 Costa Rica - CATIE, 1981
Colour: light brown
 Reference

 FLOWER

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 Brazil - CEPEC, 1987
Self Compatibility: self compatible
 Reference
 Costa Rica - CATIE, 1981
Ligule Colour: intense anthocyanin (apical)
Stamen Colour: slight anthocyanin
Sepal Colour: greyish green
Sepal Width: 2.35 mm
Sepal Length: 9.94 mm
Ligule Length: 8.93 mm
Ligule Width: 2.95 mm
Ovary Colour: anthocyanin absent (apical)
Ovary Width: 0.99 mm
Ovary Length: 1.36 mm
Style Length: 2.36 mm
Staminode Length: 8.52 mm
Pedicel Colour: pale red
Note: Translation of Methuen colour codes.
 Reference
 Morera, J. et al., 1991
Self Compatibility: self compatible
 Reference

Lockwood, G. & Gyamfi, M.M.O. (1979) The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.
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.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). 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.
PNG - Cocoa & Coconut Research (1998) Current list of cocoa accessions at the PNG CCRI. Mr. Mathias Faure, Personal Communication.
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.
Philippe Bastide. (2012) Les clones suivis au Vanuatu (unpublished list of accessions). Personal communication, February 2012.
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
Phillips, W. (1996) Cocoa cultivar reaction when innoculated with Moniliophthora roreri. 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.
Brazil - CEPEC (1987) List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.
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.