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TRD 45    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].


 Cornejo, O.E. et al., 2018
BioProject: PRJNA486011   NCBI   ENA FASTQ 
Project: PRJEB28591   EVA (project)   EVA (analysis) 
Library Source: Genomic
Run: SRR7774191   NCBI   ENA FASTQ 
Experiment: SRX4629633
BioSample: SAMN09934569
SampleName: TRD_45
SampleSource: Trinidad, Tree_ID: 18443

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List received in 2018   Reference
• Accession: 22325
   - Local Name: TRD-45
   - Year of Accession: 2008
List received in 2012   Reference
• Local Name: TRD45
List received in 2011   Reference
• Local Name: TRD 45

Pod Index: 19.7 (pods per kg dried beans)

Colour: dark purple
Shape: elliptical
Number: 36.0
Total Wet Weight: 81.6 g
Cotyledon Dry Weight: 1.41 g
Cotyledon Length: 24.6 mm
Cotyledon Width: 14.3 mm

Testa: 5.50 %

Shape: obovate
Basal Constriction: slight
Apex Form: indented
Rugosity: moderate
Length: 138.0 mm
Breadth: 88.0 mm
Colour: moderate anthocyanin
Hardness: hard
Note: Hardness > 2.0 Mpa

Accession: RUQ 1441
Light Saturated Photosynthetic Rate: 5.39 μmol m2 s-1
Stomatal Conductance: 0.10 mol m2 s-1
Transpiration Rate: 1.30 mmol m2 s-1
Intrinsic Water Use Efficiency: 57.98 μmol mol-1
Instantaneous Water Use Efficiency: 4.20 mmol mol-1
Flush Size: 4
Leaf Area: 255.40 cm2
Leaf Dry Weight: 2.11 g
Specific Leaf Area: 120.80 cm2 g-1

Colour: intense anthocyanin

Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Sepal Length: 7.53 mm
Ligule Width: 2.31 mm
Ovule Number: 36
Style Length: 2.18 mm
Pedicel Colour: red

Barbados - Quarantine Station (1994) List of clones in the Barbados Quarantine Collection. CRU Newsletter No. 1, Cocoa Research Unit, Trinidad.
Cornejo, O.E., Muh-Ching Yee, Victor Dominguez, Mary Andrews, Alexandra Sockell, Erika Strandberg, Donald Livingstone III, Conrad Stack, Alberto Romero, Pathmanathan Umaharan, Stefan Royaert, Nilesh R. Tawari, Pauline Ng, Osman Gutierrez, Wilbert Phillips, Keithanne Mockaitis, Carlos D. Bustamante & Juan C. Motamayor (2018) Population genomic analyses of the chocolate tree, Theobroma cacao L., provide insights into its domestication process. Commun Biol 1, 167
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.