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SLA 30    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 Unpublished report, Ministry of Agriculture, Trinidad.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 A.
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.
 

 HELD IN

 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: SLA 30

Resistant (Field Reaction).
 Butler, D.R. et al., 1998
Tolerant
 Sreenivasan, T.N., 1987

Pod Index: 17.8 (pods per kg dried beans)
 Reference

Colour: purple
Shape: ovate
Number: 41.0
Total Wet Weight: 79.0 g
Cotyledon Dry Weight: 1.37 g
Cotyledon Length: 22.2 mm
Cotyledon Width: 13.3 mm
 Reference

Testa: 5.10 %
 Reference

Shape: obovate
Basal Constriction: moderate
Apex Form: indented
Rugosity: slight
Length: 159.0 mm
Breadth: 87.0 mm
Colour: slight anthocyanin
Hardness: soft
Note: Hardness <= 1.6 Mpa
 Reference

Tissue: leaf
Mean Cadmium Content: 4.25 %
Accumulation: high
 Reference

Colour: moderate anthocyanin
 Reference

Ligule Colour: slight anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 6.48 mm
Ligule Width: 2.23 mm
Ovule Number: 39
Style Length: 2.33 mm
Pedicel Colour: reddish
 Reference

Pound, F.J. (1943) First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.
CRU (2011) ICG,T accessions. CRU website.
Butler, D.R., Iwaro, A.D., Thevenin, J.-M., Bekele, F., Sounigo, O., Christopher, Y. & Mooledhar, V. (1998) Individual Institute Reports - Trinidad & Tobago, CRU. Report on the IPGRI project: Cocoa Germplasm Utilisation and Conservation, A Global Approach. Appendix to General Progress Report of Year 1.
Sreenivasan, T.N. (1987) ICGT Germplasm at Marper Farm showing freedom from cushion Brooms and vegetative brooms. Unpublished report, CRU, Trinidad and Tobago.
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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.
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