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B 23 /2 [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 Unpublished report, Ministry of Agriculture, Trinidad.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 232 [POU], BALAO 23 /2 [POU], BALAO 232 [POU]

 HELD IN

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 Brazil, Comissão Executiva do Plano da Lavoura Cacaueira/Centro de Pesquisas do Cacau (CEPLAC/CEPEC)
List received in 2012   Reference
• Accession: 1256
   - Local Name: B 23/2 T14
List received in 2012   Reference
• Local Name: B-23.2/T14
List received in 2011   Reference
• Local Name: B 23/2 [POU]

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

Pod Index: 34.8 (pods per kg dried beans)
 Reference

Colour: purple
Shape: elliptical
Number: 35.0
Total Wet Weight: 41.2 g
Cotyledon Dry Weight: 0.82 g
Cotyledon Length: 21.2 mm
Cotyledon Width: 12.3 mm
 Reference

Testa: 5.70 %
 Reference

Shape: orbicular
Basal Constriction: strong
Apex Form: obtuse
Rugosity: slight
Length: 134.0 mm
Breadth: 77.0 mm
Colour: anthocyanin absent
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa
 Reference

Colour: slight anthocyanin
 Reference

Distance from Base to Widest Part: 89 mm
Length: 198.0 mm
Width: 66.0 mm
Length to Width Ratio: 3.00
Basal Angle: 144.5 °
Apical Angle: 86.1 °
Petiole Length: 18 mm
Pulvinus Length: 9 mm
 Reference

Ligule Colour: anthocyanin absent
Stamen Colour: slight anthocyanin
Sepal Length: 8.61 mm
Ligule Width: 2.45 mm
Ovule Number: 33
Style Length: 2.19 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 Unpublished report, Ministry of Agriculture, Trinidad.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.
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.
Trinidad - ICGT (1992) Leaf descriptors. Unpublished data supplied on computer diskette by International Cocoa Genebank, Trinidad, University of the West Indies, Trinidad.