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JACA    Theobroma cacao

 Bartley, B.G.D. (1993)
Notes on the meaning and origins of clone names. B.G.D Bartley. Personal Communications.

Location: Reconcavo, Bahia, Brazil.

Notes:  Mutation with rounded leaf shape. (Port. JACA - Jack fruit tree).

Bartley, 1993a [BAR93A]. A similar mutation has been recorded in the CATIE collection from a plant in Costa Rica (UPALA).


 

Location: Bahia, Brazil
Date: 1967
Expedition Code: 67BR
   Soria, V.J., 1970
   Vello, F. & Rocha, H.M., 1967
   Bartley, B.G.D., 1967
   Almeida, C.M.V.C. de et al., 1995

 HELD IN

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List received in 2012   Reference
• Accession: 108
   - Local Name: JACA
   - Year of Accession: 1979
List received in 1987   Reference
• Local Name: JACA
   - Year of Accession: 1985
List received in 2018   Reference
• Accession: 10343
   - Local Name: JACA
   - Year of Accession: 1967

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Resistant (Branch).
Note: Based on mycelium growth and the production of perithecia..
 Stela Dalva Vieira Midlej Silva, 2003
Susceptible, 100.00 % Infection
Note: External Severety = 5.0 and Internal Severety = 5.0
 Phillips, W., 1996
Susceptible, 100.00 % Infection
Note: External Severety = 4.0 and Internal Severety = 4.5
 Phillips, W., 1997

Seed Index: 123.4 (dried beans per 100g)
Productivity: very low - low
 Reference

Colour Dark Purple: Present
Colour Light Purple: Absent
Colour Grey: Absent
Colour White: Absent
Colour Mottled: Absent
Number: 27.8
Maximum Number: 37
Cotyledon Wet Weight: 1.23 g
Cotyledon Dry Weight: 0.81 g
Cotyledon Length: 21.5 mm
Cotyledon Width: 10.7 mm
Cotyledon Thickness: 7.8 mm
 Reference

Basal Constriction: very slight
Apex Form: obtuse - slightly acute
Rugosity: slight
Husk Thickness: 9.45 mm (11.6 - 7.3)
Length: 138.0 mm
Breadth: 79.0 mm
Colour: absent anthocyanin
Weight: 375.0 g
Pods Per Tree: 2
Hardness: hard
Length Breadth Ratio: 1.74
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.93
 Reference
Shape: amelonado
Colour: green
 Reference

Colour: brownish orange
 Reference

Ligule Colour: slight anthocyanin (apical)
Stamen Colour: slight anthocyanin
Sepal Colour: dull green
Sepal Width: 2.20 mm
Sepal Length: 6.60 mm
Ligule Length: 7.60 mm
Ligule Width: 2.20 mm
Ovary Colour: anthocyanin absent (apical)
Ovary Width: 0.95 mm
Ovary Length: 1.20 mm
Style Length: 1.60 mm
Staminode Length: 4.00 mm
Pedicel Colour: pale red
Note: Translation of Methuen colour codes.
 Reference

Bartley, B.G.D. (1993) Notes on the meaning and origins of clone names. B.G.D Bartley. Personal Communications.
Soria, V.J. (1970) The latest cocoa expeditions to the Amazon Basin. Cacao (Costa Rica) 15: pp. 5-15.
Vello, F. & Rocha, H.M. (1967) II Expedicao botanica a Amazonia brasileira. CEPLAC/CEPEC Ilheus, BA., Brasil, Communicado Tecnico no. 4, pp. 20.
Bartley, B.G.D. (1967) Second CEPEC cacao collecting expedition Brasil. University of the West Indies, St. Augustine, Trinidad. pp. 11
Almeida, C.M.V.C. de, Machado, P.F.R., de, Barriga, J.P. & Silva, F.C.O. da. (1995) Coleta da cacau (Theobroma cacao) da amazonia brasileira: uma abordagem historica e analitica. CEPLAC, SRAO, Porto Velho, RO., Brasil. pp. 92.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Almeida, C.M.V.C. de, Barriga, J.P., Machado, P.F.R. & Bartley, B.G.D. (1987) Evolucao do programa de conservacao dos recursos geneticos de cacau na Amazonia Brasileira. CEPLAC/DEPEA, Boletim Tecnico, Belem, Brasil 5: pp.108.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Stela Dalva Vieira Midlej Silva (2003) Ensaios Para Avaliação do Cacaueiro à Murcha-de-Ceratocystis na Bahia, Brasil. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.
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.