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SPEC 54 /2    Theobroma cacao

 Baker, R.E.D., Cope, F.W., Holliday, P.C., Bartley, B.G. & Taylor, D.J. (1953)
The Anglo-Colombian cacao collecting expedition. Report of Cacao Research, Imperial College of Tropical Agriculture, Trinidad 9: pp. 8-29.

Derivation: SPECimen.
Collected by Various.
Location: Colombia.

Notes:  Baker et al., 1953 [BAK53A] The Anglo-Colombian Expedition collected material from various places in Colombia ( Amazonas & Vaupes) in 1952 and involved many different collectors. The material was sent onto Trinidad. The name SPEC was given to everything that was collected including Theobroma species other then T. cacao and Herranias.

Bartley, 1983a [BAR83A]. This material is divided into two classes:

1) Collections from the Amazon - up to SPEC 54,

2) Collections from other populations, usually cultivated and of Criollo or Trinitario descent.
 

Synonyms: COL 54 /2 [SPE], M SPEC 54 /2

 COLLECTION DETAILS

Location: R. Papuri, Vaupes, Colombia (cocoa plantation)
Date: 28 November 1952
Coordinates: 69.00 W, 1.00 S
Material collected: Seed
Notes: San Bernando old Dutch mission
Expedition Code: 52CO
   Baker, R.E.D. et al., 1953
   Trinidad - U.W.I., 1952
   Cope, F.W., 1953

 PEDIGREE DETAILS

 Parents:
SPEC 54  x Unknown   Trinidad - U.W.I., 1952

 HELD IN

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List received in 2012   Reference
• Accession: 508
   - Local Name: SPEC 54-2
   - Year of Accession: 1983
List received in 1997   Reference
• Local Name: SPEC 54 /2
   - Year of Accession: 1997
List received in 2012   Reference
• Local Name: SPEC-54/2
   - Year of Accession: 1996
List received in 1989   Reference
• Local Name: SPEC 54 /2
   - Year of Accession: 1985
List received in 2011   Reference
• Local Name: SPEC 54/2

 PESTS

 Mirids
Resistant
 K. F. N’Guessan et al., 2003

 YIELD

 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 26.5 (pods per kg dried beans)
 Reference

 BEAN

 Bartley, B.G.D., 1970
Colour Purple: Present
Size: medium
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: oblong
Number: 36.0
Total Wet Weight: 58.9 g
Cotyledon Dry Weight: 1.05 g
Cotyledon Length: 23.0 mm
Cotyledon Width: 12.8 mm
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 5.00 %
 Reference

 FRUIT

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 Bartley, B.G.D., 1970
Size: medium
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: strong
Apex Form: attenuate
Rugosity: slight
Length: 172.0 mm
Breadth: 84.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference
 Brazil - CEPEC, 1987
Rugosity: moderate
 Reference

 FLUSH

 Frances Bekele & Gillian Bidaisee, 2022
Colour: moderate anthocyanin
 Reference

 FLOWER

 Bartley, B.G.D., 1970
Self Compatibility: self compatible
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: moderate anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 6.35 mm
Ligule Width: 1.84 mm
Ovule Number: 49
Style Length: 2.58 mm
Pedicel Colour: reddish
 Reference

Baker, R.E.D., Cope, F.W., Holliday, P.C., Bartley, B.G. & Taylor, D.J. (1953) The Anglo-Colombian cacao collecting expedition. Report of Cacao Research, Imperial College of Tropical Agriculture, Trinidad 9: pp. 8-29.
Trinidad - U.W.I. (1952) Cocoa Collecting Expedition Colombia 1952. Record of material received. Unpublished Notebook, University of the West Indies, Trinidad.
Cope, F.W. (1953) An interim report on the Anglo-Colombian cocoa-collecting expedition. In: Report of the 1953 Cocoa Conference, London. Cocoa, Chocolate & Confectionery Alliance, London, U.K. pp. 57-63.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Brazil - Almirante Cacao (1997) Cocoa Germplasm Importation Lists 1994 - 1997. Unpublished list supplied by Martin Aitken.
Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.
Cote d'Ivoire - IRCC (1989) Liste des clones en collection. Unpublished Report, IRCC Bingerville, Cote d'Ivoire, Doc. No. 192. D. Clement, IRCC, Cote d'Ivoire. Personal Communication.
CRU (2011) ICG,T accessions. CRU website.
K. F. N’Guessan, A. B. Eskes & Ph. Lachenaud (2003) Etude de la Resistance du Cacaoyer aux Mirides : Classification des Grands Groupes de Cacaoyers en Fonction de Leur Niveau de Resistance ou Sensibilite. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.
Frances Bekele & Gillian Bidaisee (2022) Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Bartley, B.G.D. (1970) A preliminary catalogue of the cacao germplasm held at the University of the West Indies, Trinidad. University of the West Indies, St. Augustine, Trinidad.
Brazil - CEPEC (1987) List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.