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DOM 4    Theobroma cacao

 Barbados - Quarantine Station (1994)
List of clones in the Barbados Quarantine Collection. CRU Newsletter No. 1, Cocoa Research Unit, Trinidad.

Derivation: DOMinica.
Collected by Cassie, CRU.
Location: Dominica.

Notes:  Barbados - Quarantine Station, 1994 [CRU94A] Collections made in 1991.
 

 HELD IN

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 United Kingdom, International Cocoa Quarantine Centre, Reading (ICQC,R)
Current List   ICQC,R Website
• Accession: RUQ 544     ICQC,R 
   - Local Name: DOM 4
   - Year of Accession: 1995
List received in 2018   Reference
• Accession: 22136
   - Local Name: DOM-4
   - Year of Accession: 2012
List received in 2012   Reference
• Local Name: DOM4
List received in 2011   Reference
• Local Name: DOM 4
   - Year of Accession: 1994

Pod Index: 24.3 (pods per kg dried beans)
 Reference

Colour: dark purple
Shape: oblong
Number: 40.0
Total Wet Weight: 68.9 g
Cotyledon Dry Weight: 1.03 g
Cotyledon Length: 22.9 mm
Cotyledon Width: 12.7 mm
 Reference

Testa: 5.90 %
 Reference

Shape: elliptical
Basal Constriction: strong
Apex Form: indented
Rugosity: slight
Length: 133.0 mm
Breadth: 87.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference

Accession: RUQ 544
Light Saturated Photosynthetic Rate: 3.24 μmol m2 s-1
Stomatal Conductance: 0.05 mol m2 s-1
Transpiration Rate: 0.87 mmol m2 s-1
Intrinsic Water Use Efficiency: 75.23 μmol mol-1
Instantaneous Water Use Efficiency: 4.12 mmol mol-1
Flush Size: 4
Leaf Area: 216.50 cm2
Leaf Dry Weight: 1.54 g
Specific Leaf Area: 140.80 cm2 g-1
 Reference

Colour: moderate anthocyanin
 Reference

Ligule Colour: slight anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 8.51 mm
Ligule Width: 2.25 mm
Ovule Number: 39
Style Length: 2.20 mm
Pedicel Colour: red
 Reference

Barbados - Quarantine Station (1994) List of clones in the Barbados Quarantine Collection. CRU Newsletter No. 1, Cocoa Research Unit, Trinidad.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
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.