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SPEC 194 /15    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 194 /15 [SPE], M SPEC 194 /15

 COLLECTION DETAILS

Location: Valle de Patia, Narino, Colombia
Date: 1953
Coordinates: 78.00 W, 2.00 N
Material collected: Seed
Expedition Code: 52CO
   Baker, R.E.D. et al., 1953
   Trinidad - U.W.I., 1952
   Cope, F.W., 1953

 PEDIGREE DETAILS

 Parents:
SPEC 194  x Unknown   Trinidad - U.W.I., 1952

 HELD IN

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Current List   ICQC,R Website
• Accession: RUQ 1439     ICQC,R 
   - Local Name: SPEC 194/15
   - Year of Accession: 2003
List received in 2018   Reference
• Accession: 22319
   - Local Name: SPEC-194/15
   - Year of Accession: 2015
List received in 2011   Reference
• Local Name: SPEC 194/15

 YIELD

 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 27.9 (pods per kg dried beans)
 Reference

 BEAN

 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: ovate
Number: 37.0
Total Wet Weight: 55.7 g
Cotyledon Dry Weight: 0.97 g
Cotyledon Length: 23.3 mm
Cotyledon Width: 12.4 mm
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 5.60 %
 Reference

 FRUIT

 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: moderate
Apex Form: acute
Rugosity: slight
Length: 160.0 mm
Breadth: 74.0 mm
Colour: slight anthocyanin
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa
 Reference

 PHENOTYPING

 Fiona Lahive, 2017
Accession: RUQ 1439
Light Saturated Photosynthetic Rate: 4.85 μmol m2 s-1
Stomatal Conductance: 0.08 mol m2 s-1
Transpiration Rate: 1.01 mmol m2 s-1
Intrinsic Water Use Efficiency: 71.87 μmol mol-1
Instantaneous Water Use Efficiency: 5.19 mmol mol-1
Flush Size: 4
Leaf Area: 244.40 cm2
Leaf Dry Weight: 1.68 g
Specific Leaf Area: 147.00 cm2 g-1
 Reference

 FLUSH

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

 FLOWER

 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: moderate anthocyanin
Stamen Colour: anthocyanin absent
Sepal Length: 6.69 mm
Ligule Width: 2.23 mm
Ovule Number: 44
Style Length: 1.22 mm
Pedicel Colour: red
 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.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
CRU (2011) ICG,T accessions. CRU website.
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.
Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.