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CRU 104    Theobroma cacao

Derivation: Cocoa Research Unit.
Location: ICGT, Trinidad and Tobago.

Notes:  Selections made from Trinidad populations.


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Current List   ICQC,R Website
• Accession: RUQ 1585     ICQC,R 
   - Local Name: CRU 104
   - Year of Accession: 2005
List received in 2012   Reference
• Local Name: CRU104
List received in 2011   Reference
• Local Name: CRU 104


 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 17.6 (pods per kg dried beans)


 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: elliptical
Number: 39.0
Total Wet Weight: 88.5 g
Cotyledon Dry Weight: 1.46 g
Cotyledon Length: 25.1 mm
Cotyledon Width: 14.7 mm


 Frances Bekele & Gillian Bidaisee, 2022
Testa: 6.70 %


 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: slight
Apex Form: acute
Rugosity: slight
Length: 172.0 mm
Breadth: 79.0 mm
Colour: slight anthocyanin
Hardness: hard
Note: Hardness > 2.0 Mpa


 Fiona Lahive, 2017
Accession: RUQ 1585
Light Saturated Photosynthetic Rate: 3.96 μmol m2 s-1
Stomatal Conductance: 0.06 mol m2 s-1
Transpiration Rate: 0.94 mmol m2 s-1
Intrinsic Water Use Efficiency: 69.07 μmol mol-1
Instantaneous Water Use Efficiency: 4.53 mmol mol-1
Flush Size: 4
Leaf Area: 300.60 cm2
Leaf Dry Weight: 2.02 g
Specific Leaf Area: 147.50 cm2 g-1


 Frances Bekele & Gillian Bidaisee, 2022
Colour: slight anthocyanin


 Trinidad - ICGT, 1992
Distance from Base to Widest Part: 162 mm
Length: 340.0 mm
Width: 96.0 mm
Length to Width Ratio: 3.60
Basal Angle: 113.3 °
Apical Angle: 49.9 °
Petiole Length: 24 mm
Pulvinus Length: 17 mm


 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: slight anthocyanin
Stamen Colour: intense anthocyanin
Sepal Length: 6.90 mm
Ligule Width: 2.59 mm
Ovule Number: 42
Style Length: 2.23 mm
Pedicel Colour: red

CRIG (2012) Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG). Francis Kwame Padi, personal communication, February 2012.
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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.
Trinidad - ICGT (1992) Leaf descriptors. Unpublished data supplied on computer diskette by International Cocoa Genebank, Trinidad, University of the West Indies, Trinidad.