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RIM 75 [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 75 [MEX]

 HELD IN

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List received in 2012   Reference
• Accession: 335
   - Local Name: RIM 75
   - Year of Accession: 1980
List received in 2018   Reference
• Accession: 10436
   - Local Name: RIM-75
   - Year of Accession: 1960
 Dominican Republic, Comision del Cacao
List received in 1987   Reference
• Local Name: RIM 75 [MEX]
   - Year of Accession: 1974
List received in 2011   Reference
• Local Name: R-75
List received in 1994   Reference
• Local Name: R 75 [MEX]
   - Year of Accession: 1955
List received in 1994   Reference
• Local Name: RIM 75 [MEX]
List received in 1995   Reference
• Local Name: RIM 75 [MEX]
   - Year of Accession: 1945
List received in 2011   Reference
• Local Name: RIM 75 [MEX]
List received in 2016   Reference
• Accession: PI 241169     GRIN-Global 
   - Local Name: RIM 75 [MEX]
   - Year of Accession: 1961
List received in 2010   Reference
• Accession: PI 241169     GRIN-Global 
   - Local Name: 75 R
   - Year of Accession: 1957

Moderately Susceptible, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Morera, J., 1993
Susceptible, 48.00 % Infection, sp. P. palmivora (Pod).
Note: Unripe and not wounded
 Lopez-Baez, O. et al., 1996

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Pod Index: 19.8 (pods per kg dried beans)
 Reference
Seed Index: 68.0 (dried beans per 100g)
Productivity: medium
 Reference
Seed Index: 73.5 (dried beans per 100g)
Pod Index: 18.6 (pods per kg dried beans)
 Reference

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Colour: dark purple
Shape: elliptical
Number: 38.0
Total Wet Weight: 69.9 g
Cotyledon Dry Weight: 1.33 g
Cotyledon Length: 22.9 mm
Cotyledon Width: 13.2 mm
 Reference
Colour Dark Purple: Present
Colour Light Purple: Present
Colour Grey: Absent
Colour White: Present
Colour Mottled: Absent
Number: 35.5
Maximum Number: 48
Cotyledon Wet Weight: 2.36 g
Cotyledon Dry Weight: 1.47 g
Cotyledon Length: 24.1 mm
Cotyledon Width: 13.6 mm
Cotyledon Thickness: 10.9 mm
 Reference
Number: 33.4
Length: 23.9 mm
Width: 14.7 mm
Thickness: 9.7 mm
Dry Weight: 1.45 g
Cotyledon Dry Weight: 1.36 g
 Reference

Testa: 4.20 %
 Reference
Testa: 6.21 %
 Reference

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Shape: oblong
Basal Constriction: strong
Apex Form: attenuate
Rugosity: intense
Length: 206.0 mm
Breadth: 79.0 mm
Colour: anthocyanin absent
 Reference
Rugosity: intense
 Reference
Basal Constriction: very slight
Apex Form: attenuate
Rugosity: intense
Husk Thickness: 10.9 mm (13.8 - 8)
Length: 238.0 mm
Breadth: 90.0 mm
Colour: absent anthocyanin
Weight: 776.0 g
Pods Per Tree: 5
Hardness: moderate
Length Breadth Ratio: 2.64
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.71
 Reference
Shape: cundeamor
Rugosity: moderate
Husk Thickness: 12.5 mm (10 - 15)
Length: 224.0 mm
Breadth: 85.0 mm
Colour: yellow
Weight: 505.9 g
Husk Weight: 380.10 g
Length Breadth Ratio: 2.63
 Reference
Shape: angoleta
Colour: green
 Reference

Colour: slight anthocyanin
 Reference
Colour: greyish red
 Reference

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Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Sepal Length: 8.21 mm
Ligule Width: 2.62 mm
Ovule Number: 38
Style Length: 2.18 mm
Pedicel Colour: reddish
 Reference
Ligule Colour: anthocyanin absent (apical)
Stamen Colour: anthocyanin absent
Sepal Colour: greyish green
Sepal Width: 2.34 mm
Sepal Length: 9.13 mm
Ligule Length: 8.71 mm
Ligule Width: 2.91 mm
Ovary Colour: anthocyanin absent (apical)
Ovary Width: 0.99 mm
Ovary Length: 1.20 mm
Style Length: 2.25 mm
Staminode Length: 7.69 mm
Pedicel Colour: pale red
Note: Translation of Methuen colour codes.
 Reference
Sepal Width: 2.30 mm
Sepal Length: 7.60 mm
Ligule Length: 3.80 mm
Ligule Width: 3.00 mm
Ovary Width: 1.00 mm
Ovary Length: 1.90 mm
Ovule Number: 41
Style Length: 2.40 mm
Staminode Length: 6.90 mm
Pedicel Length: 2.30 mm
 Reference
Self Compatibility: self incompatible
 Reference

Hunter, J.R. (1961) The status of cacao variety improvement work in the Western Hemisphere. Cacao (Costa Rica) 4: pp. 1-16.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Dominican Republic - CDC (1987) Informe de los trabajos de indentificacion clonal realizados por el Dr. B.G.Bartley durante su visita a la Estacion "Mata Larga". Unpublished of the Comision del Cacau, Dominican Republic. pp 14
IDIAF (2011) Cocoa accessions held in the Dominican Institute for Agriculture and Forestry Research (IDIAF). M. Ventura, personal communication, September 2011.
Guatemala - Los Brilliantes (1994) Lista de clones existentes en la Estacion de Investigacion y Produccion Agricola "Los Brillantes" a Agosto 1994. M.T. Reyes Barrios, EIAP Guatemala. Personal Communication.
Honduras - CEDEC (1994) List of accessions in CEDEC, La Masica, Honduras. J.A. Sanchez, FHIA, Honduras. Personal Communication.
Lopez-Baez, O., Cueto-Moreno, J. & Fraire-Vazquez, G. (1995) Progressos en el mejoramiento genetico del cacao Theobroma cacao L. en Mexico. In: Proceedings of the International Workshop on Cocoa Breeding Strategies, Kuala Lumpur, 1994. INGENIC, Reading, U.K. pp. 18-25.
CRU (2011) ICG,T accessions. CRU website.
USDA, ARS Tropical Agriculture Research Station, Mayaguez, Puerto Rico. (2016) List of cocoa accessions held at Mayaguez in April 2016. USDA-ARS GRIN-Global. [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
USDA-ARS, SHRS, NCGR, National Germplasm Repository, Miami, Florida, USA. (2010) List of cocoa accessions held at Miami and Coconut Grove (Plant Introduction Station) in July, 2010. USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN). [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
Morera, J. (1993) Reaction of clones to Phytophthora palmivora. J. Morera, CATIE, Costa Rica. Personal Communication.
Lopez-Baez, O., Fraire, V.G. & Cueto, M.J. (1996) Mejoramiento genetico para la resistencia a Phytophthora en Mexico. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.51-55.
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.
Costa Rica - CATIE (1981) Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.
Lopez-Baez, O. (1995) Caracteristicas del fruto del germoplasma de cacao, Theobroma cacao L., seleccionado en Rosario Izapa, Chiapas. Agricultura Tecnico Mexicana 21(2): pp. 127-137.
Brazil - CEPEC (1987) List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.
Morera, J., Paredes, A. & Mora, A. (1991) Germoplasma de cacao en el CATIE entre 1947 y 1991, Programa II: Generacion y transferencia de tecnologia. IICA, San Jose, Costa Rica, pp. 49.
Lopez-Baez, O. & Mendel-Wong, D. (1992) Caracteristicas de la flor y semilla del germoplasma de cacao, Theobroma cacao L., seleccionado en Rosario Izapa, Chiapas. Agricultura Tecnico Mexicana 18(1-2): pp. 39-48.