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RIM 21 [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: BLZ 21 /R [MEX], R 21 [MEX]

 HELD IN

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List received in 2018   Reference
• Accession: 10423
   - Local Name: RIM-21
 India, Central Plantation Crops Research Institute (CPCRI)
List received in 2008   Reference
• Accession: VTLC 181
   - Local Name: RIM-21
List received in 1972   Reference
• Local Name: R 21 [MEX]

Susceptible, 100.00 % Infection
Note: External Severety = 5.0 and Internal Severety = 5.0
 Phillips, W., 1996
Susceptible, 100.00 % Infection
Note: External Severety = 5.0 and Internal Severety = 5.0
 Phillips, W., 1997

Basal Constriction: very slight
Apex Form: acute
Rugosity: moderate
Colour: absent anthocyanin
 Reference
Shape: angoleta
Colour: green
 Reference

Colour: slight anthocyanin
 Reference
Colour: light brown
 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.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
CPCRI (2008) Cocoa germplasm maintained at the Central Plantation Crops Research Institute (CPCRI) Regional Station, Vittal, India. Data supplied to ICGD by email. D. Balasimha, CPCRI Vittal, India, July 2008.
Perez, A.Z., Reyes, H.E. & Reyes, L.C. (1972) Programa de mejoramiento genetico de cacao en Venezuela. MAC, Caucagua, Venezuela, pp. 131.
Phillips, W. (1996) Cocoa cultivar reaction when innoculated with Moniliophthora roreri. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
Phillips, W. (1997) Results of the artificial inoculation of Moniliophthora rorei using the Aspersion method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
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.
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.
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.