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SAN MIGUEL 3161 /2 [CHA]    Theobroma cacao

 Chalmers, W.S. (1970)
Report on the collection of Theobroma cacao in the Oriente region of Ecuador. March-May 1970. Unpublished Report. Cocoa Research Unit, University of the West Indies, Trinidad. pp. 20.

Derivation: river SAN MIGUEL.
Collected by Chalmers.
Location: R. San Miguel, Ecuador.

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: EQX 3161 /2 [CHA], EQX 3161 /2 [A], EQX 3161 /2 [B], EQ 3161 /2, EQX 3161 /2 [J], EQX 3161 /2 [MIG], EQX 3161 /2 [T], EQX 3161 /2 [U], EQX 3161 /2 [V], EQX 3161 /2 [W], EQX 3161 /2 [Z], EQX A 3161 /2, EQX B 3161 /2, EQX C 3161 /2, EQX J 3161 /2, EQX T 3161 /2, EQX U 3161 /2, EQX V 3161 /2, EQX W 3161 /2

University of the West Indies, 197?, [UWI1UA]. This clone name does not appear in the field lists for St. Josephs or St. Augustine and may therefore result from mislabelling. It may be SAN MIGUEL 3161-5.

 HELD IN

 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: SAN MIGUEL 3161/2 [CHA]

Pod Index: 29.4 (pods per kg dried beans)
 Reference

Colour: dark purple
Shape: elliptical
Number: 34.0
Total Wet Weight: 57.9 g
Cotyledon Dry Weight: 1.00 g
Cotyledon Length: 25.4 mm
Cotyledon Width: 12.1 mm
 Reference

Testa: 5.10 %
 Reference

Shape: elliptical
Basal Constriction: strong
Apex Form: indented
Rugosity: intense
Length: 143.0 mm
Breadth: 90.0 mm
Colour: anthocyanin absent
 Reference

Colour: anthocyanin absent
 Reference

Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Sepal Length: 9.04 mm
Ligule Width: 2.18 mm
Ovule Number: 35
Style Length: 2.50 mm
Pedicel Colour: reddish
 Reference

Chalmers, W.S. (1970) Report on the collection of Theobroma cacao in the Oriente region of Ecuador. March-May 1970. Unpublished Report. Cocoa Research Unit, University of the West Indies, Trinidad. pp. 20.
CRU (2011) ICG,T accessions. CRU website.
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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.