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B 17 /5 [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 Unpublished report, Ministry of Agriculture, Trinidad.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: Balao.
Collected by Pound.
Location: Dept. of Agriculture, Ecuador.

Notes:  Progeny from Hda. Balao, Ecuador planted in Trinidad 1939-41.

10/09/96 Previously recorded in the ICGD and elsewhere that B stood from Bolivar but this was found to be incorrect when Pound's 1943 report was re-discovered.

Pound, 1943b [POU43B]. Progeny were obtained from the following trees or combinations of trees: 1+2, 3,4,5,6,7,8,9+10,11,12,13, 14,15,16,17,18,20,21,22 and 23.


 

Synonyms: B 175 [POU], BALAO 17 /5 [POU], BALAO 175 [POU]

 HELD IN

 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: B 17/5 [POU]

Resistant (Field Reaction).
 Butler, D.R. et al., 1998

Pod Index: 29.3 (pods per kg dried beans)
 Reference

Colour: dark purple
Shape: elliptical
Number: 28.0
Total Wet Weight: 49.5 g
Cotyledon Dry Weight: 1.22 g
Cotyledon Length: 20.0 mm
Cotyledon Width: 13.7 mm
 Reference

Testa: 5.30 %
 Reference

Shape: oblong
Basal Constriction: strong
Apex Form: indented
Rugosity: intense
Length: 197.0 mm
Breadth: 80.0 mm
Colour: slight anthocyanin
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference

Colour: slight anthocyanin
 Reference

Ligule Colour: anthocyanin absent
Stamen Colour: moderate anthocyanin
Sepal Length: 8.00 mm
Ligule Width: 2.66 mm
Ovule Number: 35
Style Length: 2.81 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 Unpublished report, Ministry of Agriculture, Trinidad.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.
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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.