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TRD 88    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 88

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: 34.5 (pods per kg dried beans)
 Reference

Colour: purple
Shape: elliptical
Number: 42.0
Total Wet Weight: 44.2 g
Cotyledon Dry Weight: 0.69 g
Cotyledon Length: 21.5 mm
Cotyledon Width: 11.7 mm
 Reference

Testa: 6.10 %
 Reference

Shape: elliptical
Basal Constriction: moderate
Apex Form: acute
Rugosity: slight
Length: 149.0 mm
Breadth: 76.0 mm
Colour: anthocyanin absent
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa
 Reference

Colour: slight anthocyanin
 Reference

Ligule Colour: moderate anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 7.97 mm
Ligule Width: 2.69 mm
Ovule Number: 53
Style Length: 2.32 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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.