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JA 8 /24 [POU]    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 Unpublished report, Ministry of Agriculture, Trinidad.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: JAvilla.
Collected by Pound.
Location: Hda. Javilla, Ecuador.

Notes:  Progeny from trees which had shown resistance to Witches' Broom disease (1939).

Pound, 1943b [POU43B]. Pound states that pods were collected from Jabilla (=Javilla) farm from the trees numbered: 1,2,3,4,5,6,7,8, 9,10.
 

 HELD IN

 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: JA 8/24 [POU]

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

Pod Index: 25.5 (pods per kg dried beans)
 Reference

Colour: dark purple
Shape: ovate
Number: 36.0
Total Wet Weight: 61.1 g
Cotyledon Dry Weight: 1.09 g
Cotyledon Length: 20.8 mm
Cotyledon Width: 13.0 mm
 Reference

Testa: 4.80 %
 Reference

Shape: elliptical
Basal Constriction: strong
Apex Form: indented
Rugosity: moderate
Length: 169.0 mm
Breadth: 82.0 mm
Colour: anthocyanin absent
 Reference

Colour: moderate anthocyanin
 Reference

Ligule Colour: slight anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 7.55 mm
Ligule Width: 2.20 mm
Ovule Number: 40
Style Length: 2.32 mm
Pedicel Colour: red
 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 Unpublished report, Ministry of Agriculture, Trinidad.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 Unpublished report, CRU, Trinidad and Tobago.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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.