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TRD 13    Theobroma cacao

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

Derivation: TRinidaD.
Collected by Warren/Cassie, CRU.
Location: North area of Trinidad, Trinidad and Tobago.

2 April 2002. Name new to the database from the ICG,T database/accession list [CRU01A].

 HELD IN

 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: TRD 13

Moderate Resistance, sp. P. palmivora (Pod).
Note: Score: 3 (1-8 Scale). Fully grown, unripe detached pods (4-5 months old).
 A.D. Iwaro et al., 2006
Resistant, sp. P. palmivora (Pod).
Note: Fully grown, unripe detached pods (4-5 months old)
 A.D. Iwaro & D. R. Butler, 2003

Pod Index: 24.7 (pods per kg dried beans)
 Reference

Colour: dark purple
Shape: elliptical
Number: 43.0
Total Wet Weight: 56.4 g
Cotyledon Dry Weight: 0.94 g
Cotyledon Length: 20.7 mm
Cotyledon Width: 12.3 mm
 Reference

Testa: 6.00 %
 Reference

Shape: oblong
Basal Constriction: slight
Apex Form: obtuse
Rugosity: slight
Length: 156.0 mm
Breadth: 81.0 mm
Colour: anthocyanin absent
 Reference

Colour: slight anthocyanin
 Reference

Ligule Colour: slight anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 7.01 mm
Ligule Width: 2.55 mm
Ovule Number: 47
Style Length: 2.14 mm
Pedicel Colour: reddish
 Reference

Barbados - Quarantine Station (1994) List of clones in the Barbados Quarantine Collection. CRU Newsletter No. 1, Cocoa Research Unit, Trinidad.
CRU (2011) ICG,T accessions. CRU website.
A.D. Iwaro, D.R. Butler & A.B. Eskes (2006) Sources of resistance to Phytophthora pod rot at the International Cocoa Genebank, Trinidad. Genetic Resources and Crop Evolution (2006) 53: 99–109
A.D. Iwaro & D. R. Butler (2003) Sources of Resistance to Phytophthora Pod Rot at the International Cocoa Genebank, Trinidad. 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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.