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RIM 12 [MEX]    Theobroma cacao

 Hunter, J.R. (1961)
The status of cacao variety improvement work in the Western Hemisphere. Cacao (Costa Rica) 4: pp. 1-16.

Derivation: Rosario Izapa Mexico.
Collected by del Arco & Spencer.
Location: Tuxclachico, Chiapas, Mexico.

Hunter, 1961a [HUN61A]. Fruit - Long, thin Soconusco type. Seed - white. Bartley, 1997a [BAR97A]. Most of the genotypes are very similar with regard to their vegetative and floral characteristics. The fruit shapes also show very little variation as do most other fruit characteristics. Most of these genotypes have fruit with a light green colour and the others have some degree of anthocyanin pigmentation.

Notes:  Hunter, 1961 [HUN61A] Selections from Hda La Rioja. Selections from the Pacific coast with some MATINA genes.

In the original format of the name was composed of a number with "R" or "RIM" as suffix to that.
 

Synonyms: R 12 [MEX]

Listed in the ICG,T accession lists 1994 & 1996 ([ICG94A] [ICG96A]) but unlikely to be part of the RIM series. May be a mislabelled RIM 2 or RIM 13?

 HELD IN

 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: RIM 12 [MEX]
   - Year of Accession: 1994

Pod Index: 34.3 (pods per kg dried beans)
 Reference

Colour: light purple
Shape: elliptical
Number: 32.0
Total Wet Weight: 46.5 g
Cotyledon Dry Weight: 0.91 g
Cotyledon Length: 19.8 mm
Cotyledon Width: 12.1 mm
 Reference

Testa: 6.10 %
 Reference

Shape: oblong
Basal Constriction: strong
Apex Form: attenuate
Rugosity: intense
Length: 170.0 mm
Breadth: 70.0 mm
Colour: slight anthocyanin
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa
 Reference

Colour: slight anthocyanin
 Reference

Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Sepal Length: 7.20 mm
Ligule Width: 2.60 mm
Ovule Number: 35
Style Length: 2.14 mm
Pedicel Colour: reddish
 Reference

Hunter, J.R. (1961) The status of cacao variety improvement work in the Western Hemisphere. Cacao (Costa Rica) 4: pp. 1-16.
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 Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele.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.