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EET 183 [ECU]    Theobroma cacao

Derivation: Estacion Experimental Tropical.
Location: E.E.T. Pichilingue, ECU.

Notes:  Some EET clones are imported genotypes which have been given the duplicate identifier [IMP], [POU] for kown Pound collections and [MIG] for known SAN MIGUEL clones.
 

Synonyms: NARANJAL 1 [ECU], ETS 183 [ECU]

 NOTES

Some EET clones are imported genotypes which have been given the duplicate identifier [IMP], [POU] for kown Pound collections and [MIG] for known SAN MIGUEL clones.

 PEDIGREE DETAILS

 Parents:
NACIONAL  x Unknown
NACIONAL  x Unknown   Ecuador - Pichilingue, 1994

 HELD IN

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Current List   ICQC,R Website
• Accession: RUQ 1640     ICQC,R 
   - Local Name: EET 183 [ECU]
   - Year of Accession: 2007
• Accession: RUQ 1640B     ICQC,R 
   - Local Name: EET 183 [ECU]
   - Year of Accession: 2007
List received in 2018   Reference
• Accession: 10278
   - Local Name: EET-183
   - Year of Accession: 1979
List received in 1994   Reference
• Local Name: EET 183 [ECU]
List received in 1998   Reference
• Local Name: EET 183 [ECU]

 DISEASE

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 Frosty Pod Rot
25.00 % Infection (Field reaction).
Note: Natural incidence of the disease over 9 years.
 Wilbert Phillips et al., 2009
27.00 % Infection (Field reaction).
Note: Percentage infection is the natural incidence of the disease observed in the field over 4 to 5 years.
 Arciniegas, A. & Phillips-Mora, W., 2006
Moderately Susceptible, 100.00 % Infection
Note: External Severety = 1.8 and Internal Severety = 3.5
 Phillips, W., 1996
Resistant
 Morera, J & Mora, A., 1990
Resistant
 Morera, J. et al., 1991
 Phytophthora
0.00 % Infection, sp. P. palmivora (Field reaction).
Note: Natural incidence of the disease over 3 years.
 Wilbert Phillips et al., 2009
Moderate Resistance, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Morera, J., 1993
Moderately Susceptible, sp. P. palmivora (Pod).
 Phillips, W., 1997
Susceptible, 3.40 % Infection, sp. P. palmivora (5 month old detached pod (reaction)).
Note: Described as highly susceptible. Percentage infection is the natural incidence of the disease observed in the field over 4 to 5 years.
 Arciniegas, A. & Phillips-Mora, W., 2006

 YIELD

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 Arciniegas, A. & Phillips-Mora, W., 2006
Pod Index: 37.0 (pods per kg dried beans)
Yield: 450 kg ha-1 yr-1
 Reference
 Costa Rica - CATIE, 1981
Seed Index: 92.5 (dried beans per 100g)
Productivity: high
 Reference
 Wilbert Phillips et al., 2009
Yield: 1137 kg ha-1 yr-1
Note: 3 year mean
 Reference

 BEAN

 Arciniegas, A. & Phillips-Mora, W., 2006
Number: 30.0
Length: 19.0 mm
Width: 7.0 mm
Thickness: 10.0 mm
Dry Weight: 1.18 g
 Reference
 Costa Rica - CATIE, 1981
Colour Dark Purple: Present
Colour Light Purple: Absent
Colour Grey: Absent
Colour White: Absent
Colour Mottled: Absent
Number: 34.3
Maximum Number: 45
Cotyledon Wet Weight: 1.69 g
Cotyledon Dry Weight: 1.08 g
Cotyledon Length: 23.9 mm
Cotyledon Width: 12.0 mm
Cotyledon Thickness: 9.8 mm
 Reference

 BUTTERFAT

 Arciniegas, A. & Phillips-Mora, W., 2006
Butterfat Content: 56.00 %
 Reference

 FRUIT

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 Arciniegas, A. & Phillips-Mora, W., 2006
Shape: amelonado
Basal Constriction: absent
Apex Form: rounded
Rugosity: moderate
Husk Thickness: 16 mm
Length: 153.0 mm
Breadth: 81.0 mm
Colour: green
Weight: 412.0 g
Hardness: soft
Length Breadth Ratio: 1.88
 Reference
 Costa Rica - CATIE, 1981
Basal Constriction: very slight
Apex Form: slightly acute
Rugosity: moderate
Husk Thickness: 12.25 mm (14.6 - 9.9)
Length: 179.0 mm
Breadth: 80.0 mm
Colour: absent anthocyanin
Weight: 493.0 g
Pods Per Tree: 7
Hardness: soft
Length Breadth Ratio: 2.23
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.53
 Reference
 Morera, J. et al., 1991
Shape: amelonado
Colour: green
 Reference

 PHENOTYPING

 Fiona Lahive, 2017
Accession: RUQ 1640
Light Saturated Photosynthetic Rate: 4.36 μmol m2 s-1
Stomatal Conductance: 0.09 mol m2 s-1
Transpiration Rate: 1.38 mmol m2 s-1
Intrinsic Water Use Efficiency: 60.06 μmol mol-1
Instantaneous Water Use Efficiency: 4.08 mmol mol-1
Flush Size: 5
Leaf Area: 274.90 cm2
Leaf Dry Weight: 1.85 g
Specific Leaf Area: 150.00 cm2 g-1
 Reference

 FLUSH

 Costa Rica - CATIE, 1981
Colour: light brown
 Reference

 FLOWER

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 Arciniegas, A. & Phillips-Mora, W., 2006
Self Compatibility: self compatible
 Reference
 Frances Bekele & Gillian Bidaisee, 2016
Ligule Colour: slight anthocyanin
Stamen Colour: anthocyanin absent
Sepal Width: 1.69 mm
Sepal Length: 8.28 mm
Ligule Width: 2.44 mm
Ovule Number: 42
Style Length: 2.15 mm
Pedicel Colour: green
 Reference
 Costa Rica - CATIE, 1981
Ligule Colour: slight anthocyanin (apical)
Stamen Colour: anthocyanin absent
Sepal Colour: greyish green
Sepal Width: 2.14 mm
Sepal Length: 10.08 mm
Ligule Length: 9.52 mm
Ligule Width: 2.50 mm
Ovary Colour: anthocyanin absent (apical)
Ovary Width: 1.00 mm
Ovary Length: 1.10 mm
Style Length: 2.74 mm
Staminode Length: 8.21 mm
Pedicel Colour: pastel red
Note: Translation of Methuen colour codes.
 Reference
 Morera, J. et al., 1991
Self Compatibility: self compatible
 Reference

Ecuador - Pichilingue (1994) Nomina de clones de cacao.. Unpublished report, E.E.T. Pichilingue, Ecuador, pp. 13.
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.
Malaysia - ARC Tuaran (1998) Accessions held in the Malaysian Cocoa Board collection, May 1998.. K. Lamin, MCB, Malaysia, Personal Communication.
Wilbert Phillips, José Castillo, Adriana Arciniegas, Allan Mata, Aldo Sánchez, Mariela Leandro, Carlos Astorga, Juan Motamayor, Bill Guyton, Ed Seguine & Ray Schnell (2009) Overcoming the Main Limiting Factors of Cacao Production in Central America through the use of Improved Clones Developed at CATIE. In: Proceedings of the 16th International Cocoa Research Conference, Bali, Indonesia (November 2009). Cocoa Producers' Alliance, Lagos, Nigeria.
Arciniegas, A. & Phillips-Mora, W. (2006) Caracterización de Genotipos Superiores de Cacao Seleccionados por el Programa de Mejoramiento Genético del CATIE por Su Rendimiento Y/O Resistencia a Moniliasis. In: Proceedings of the 15th International Cocoa Research Conference, San Jose, Costa Rica (2006). 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
Morera, J & Mora, A. (1990) Banco de Germoplasma de Cacao del CATIE.. Programa de Mejoramiento de Cultivos Tropicales, Turrialba, Costa Rica. 16 pp.
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.
Morera, J. (1993) Reaction of clones to Phytophthora palmivora. . J. Morera, CATIE, Costa Rica. Personal Communication.
Phillips, W. (1997) Results of the artificial inoculation of Phytophthora palmivora using the Paper Disc 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.
Fiona Lahive (2017) Phenotypic data from climate change trials.. Personal communication.
Frances Bekele & Gillian Bidaisee (2016) Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago.. Unpublished data on fruit and flower morphology supplied as an Excel spreadsheet by Frances Bekele, November 2016.