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POUND 31 /A    Theobroma cacao

 Pound, F.J. (1943)
Cacao and witches' broom disease. Report on a recent visit to the Amazon territory of Peru, September 1942-February 1943. Archives of Cocoa Research 1: pp. 73-91.

Derivation: POUND (collector).
Collected by Pound.
Location: Peru.

Notes:  Chalmers, 1968 [CHA68A] Trees were marked and initial collections made in 1968. Chalmers revisited the area in 1970 (Chalmers, 1970a [CHA70A]), recollecting from some trees and making new collections from newly marked trees. Further collections were made in 1972 (Chalmers, 1972b [CHA72B]).
 

Synonyms: PERU 31 /A [POU], P 31 /A [POU]

 HELD IN

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List received in 2012   Reference
• Local Name: POUND-31A/T2
List received in 1990   Reference
• Local Name: P 31 /A [POU]
List received in 2011   Reference
• Local Name: POUND 31/A [POU]

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

Pod Index: 46.6 (pods per kg dried beans)
 Reference

Colour: dark purple
Shape: oblong
Number: 39.0
Total Wet Weight: 32.8 g
Cotyledon Dry Weight: 0.55 g
Cotyledon Length: 18.1 mm
Cotyledon Width: 8.6 mm
 Reference

Testa: 6.90 %
 Reference

Shape: elliptical
Basal Constriction: moderate
Apex Form: acute
Rugosity: intense
Length: 157.0 mm
Breadth: 68.0 mm
Colour: anthocyanin absent
Hardness: soft
Note: Hardness <= 1.6 Mpa
 Reference

Colour: anthocyanin absent
 Reference

Distance from Base to Widest Part: 108 mm
Length: 220.0 mm
Width: 97.0 mm
Length to Width Ratio: 2.30
Basal Angle: 123.7 °
Apical Angle: 76.5 °
Petiole Length: 12 mm
Pulvinus Length: 13 mm
 Reference

Ligule Colour: moderate anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 8.02 mm
Ligule Width: 2.80 mm
Ovule Number: 49
Style Length: 2.42 mm
Pedicel Colour: green
 Reference

Pound, F.J. (1943) Cacao and witches' broom disease. Report on a recent visit to the Amazon territory of Peru, September 1942-February 1943. Archives of Cocoa Research 1: pp. 73-91.
Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.
Malaysia - ARC Tuaran (1990) List of clones held in the Dept. of Agriculture's collection, at Sabah, Tuaran, Malaysia. E.B. Tay, Malaysian Cocoa Board, Malaysia. Personal Communication.
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.
Trinidad - ICGT (1992) Leaf descriptors. Unpublished data supplied on computer diskette by International Cocoa Genebank, Trinidad, University of the West Indies, Trinidad.