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DIAMANTES 800    Theobroma cacao

Derivation: DIAMANTES experimental station.
Location: Diamantes Station, Costa Rica.

Synonyms: DIAMANTES

 Parents:
ICS 1  x SCA 6    Costa Rica - CATIE, 1981

 HELD IN

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List received in 2018   Reference
• Accession: 10251
   - Local Name: Diamantes-800
   - Year of Accession: 1979
 Honduras, Fundación Hondureña de Investigación Agrícola (FHIA)
List received in 1994   Reference
• Local Name: DIAMANTES 800
List received in 1995   Reference
• Local Name: DIAMANTES 800
   - Year of Accession: 1987

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Susceptible, 100.00 % Infection
Note: External Severety = 4.3 and Internal Severety = 4.8
 Phillips, W., 1997
Susceptible, 100.00 % Infection
Note: External Severety = 4.3 and Internal Severety = 4.8
 Phillips, W., 1996
Moderately Susceptible, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Morera, J., 1993
Susceptible, 81.00 % Infection, sp. P. palmivora (Pod).
Note: Unripe and not wounded
 Lopez-Baez, O. et al., 1996
Tolerant, 80.00 % Infection, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Lawrence, J.S., 1978

Seed Index: 91.7 (dried beans per 100g)
Productivity: high - very high
 Reference

Colour Dark Purple: Absent
Colour Light Purple: Present
Colour Grey: Absent
Colour White: Absent
Colour Mottled: Absent
Number: 40.5
Maximum Number: 51
Cotyledon Wet Weight: 1.61 g
Cotyledon Dry Weight: 1.09 g
Cotyledon Length: 22.8 mm
Cotyledon Width: 12.0 mm
Cotyledon Thickness: 9.4 mm
 Reference

Basal Constriction: very slight
Apex Form: slightly obtuse - obtuse
Rugosity: moderate
Husk Thickness: 12.85 mm (16.3 - 9.4)
Length: 192.0 mm
Breadth: 79.0 mm
Colour: high / absent anthocyanin (ridge/furrow)
Weight: 505.0 g
Pods Per Tree: 8
Hardness: soft
Length Breadth Ratio: 2.43
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.62
 Reference
Shape: cundeamor
Colour: red
 Reference

Colour: reddish brown
 Reference

Ligule Colour: anthocyanin absent (apical)
Stamen Colour: anthocyanin absent
Sepal Colour: greyish green
Sepal Width: 2.12 mm
Sepal Length: 7.95 mm
Ligule Length: 8.30 mm
Ligule Width: 2.45 mm
Ovary Colour: slight anthocyanin (apical)
Ovary Width: 1.01 mm
Ovary Length: 1.54 mm
Style Length: 2.36 mm
Staminode Length: 8.21 mm
Pedicel Colour: pink
Self Compatibility: self incompatible
Note: Translation of Methuen colour codes.
 Reference
Self Compatibility: self incompatible
 Reference

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.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). 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.
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
Phillips, W. (1996) Cocoa cultivar reaction when innoculated with Moniliophthora roreri. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
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.
Lawrence, J.S. (1978) Screening of cacao cultivars for resistance to Phytophthora palmivora in the collection at CATIE, Costa Rica. Revista Theobroma 8: pp. 125-131.
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.