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SLC 19    Theobroma cacao

 Pound, F.J. (1943)
First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.

Derivation: Santa Lucia C.
Collected by Pound.
Location: Hda. Santa Lucia, Ecuador.

Notes:  Pound, 1943b [POU43B] Progeny from selected trees which had shown resistance to Witches' Broom disease.

Bartley, 1998a [BAR98A] Pound used letters and numbers as identifiers. SLA, SLB and SLC could all be the same series of material.


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Current List   ICQC,R Website
• Accession: RUQ 1664     ICQC,R 
   - Local Name: SLC 19
   - Year of Accession: 2008
List received in 2018   Reference
• Accession: 22317
   - Local Name: SLC-19
   - Year of Accession: 2014
List received in 2011   Reference
• Local Name: SLC 19


 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 22.5 (pods per kg dried beans)


 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: ovate
Number: 44.0
Total Wet Weight: 72.8 g
Cotyledon Dry Weight: 1.01 g
Cotyledon Length: 21.7 mm
Cotyledon Width: 13.0 mm


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 Frances Bekele & Gillian Bidaisee, 2022
Testa: 6.10 %
 Trinidad - CRU, 1998
Butterfat Content: 49.80 %
Testa: 7.20 %
 Trinidad - CRU, 1998
Butterfat Content: 48.33 %
Testa: 5.03 %


 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: moderate
Apex Form: mammillate
Rugosity: moderate
Length: 139.0 mm
Breadth: 78.0 mm
Colour: anthocyanin absent
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa


 Fiona Lahive, 2017
Accession: RUQ 1664
Light Saturated Photosynthetic Rate: 5.10 μmol m2 s-1
Stomatal Conductance: 0.08 mol m2 s-1
Transpiration Rate: 1.08 mmol m2 s-1
Intrinsic Water Use Efficiency: 70.76 μmol mol-1
Instantaneous Water Use Efficiency: 4.86 mmol mol-1
Flush Size: 5
Leaf Area: 239.20 cm2
Leaf Dry Weight: 1.46 g
Specific Leaf Area: 169.30 cm2 g-1


 Lewis, Caleb et al., 2018
Tissue: bean
Mean Cadmium Content: 0.51 %
Accumulation: low


 Frances Bekele & Gillian Bidaisee, 2022
Colour: slight anthocyanin


 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: slight anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 7.86 mm
Ligule Width: 3.08 mm
Ovule Number: 42
Style Length: 2.67 mm
Pedicel Colour: red

Pound, F.J. (1943) First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
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.
Trinidad - CRU (1998) Fat Analysis Data. Data supplied on computer diskette by F. Bekele, CRU, Trinidad.
Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.
Lewis, Caleb, Adrian M. Lennon, Gaius Eudoxie & Pathmanathan Umaharan (2018) Genetic variation in bioaccumulation and partitioning of cadmium in Theobroma cacao L. Science of the Total Environment 640–641, 696–703