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EET 58 [ECU]    Theobroma cacao

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

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.



Location: Los Rios, Ecuador
Coordinates: 79.50 W, 1.00 S
   Marita, J. M. et al., 2001


NACIONAL  x Unknown
 - Los Rios
   Ecuador - Pichilingue, 1987
 Mother to:
EQX 22 [EQX]    Trinidad - ICTA (EQX), No Date
EQX 23 [EQX]    Trinidad - ICTA (EQX), No Date
EQX 24 [EQX]    Trinidad - ICTA (EQX), No Date
EQX 25 [EQX]    Trinidad - ICTA (EQX), No Date
INIAP T 16    Tarqui-Freire, Omar Miguel, 2010


 Cornejo, O.E. et al., 2018
BioProject: PRJNA486011   NCBI   ENA FASTQ 
Project: PRJEB28591   EVA (project)   EVA (analysis) 
Library Source: Genomic
Run: SRR7774204   NCBI   ENA FASTQ 
Experiment: SRX4629620
BioSample: SAMN09934439
SampleName: EET58_A1
SampleSource: Ecuador
Run: SRR7774213   NCBI   ENA FASTQ 
Experiment: SRX4629611
BioSample: SAMN09934444
SampleName: EET_58
SampleSource: Trinidad, Tree_ID: Tc17727


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List received in 2012   Reference
• Accession: 1043
   - Local Name: EET 58
List received in 2012   Reference
• Local Name: EET-58
List received in 1990   Reference
• Local Name: EET 58 [ECU]
List received in 2018   Reference
• Accession: 21834
   - Local Name: EET-58
   - Year of Accession: 2002
List received in 2012   Reference
• Local Name: EET - 58
List received in 2012   Reference
• Local Name: EET58
List received in 2011   Reference
• Local Name: EET 58


 Enriquez, G. & Soria, V.J., 1977
 Witches Broom
Susceptible (Field Reaction).
 Butler, D.R. et al., 1998


 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 18.3 (pods per kg dried beans)


 Frances Bekele & Gillian Bidaisee, 2022
Colour: dark purple
Shape: ovate
Number: 34.0
Total Wet Weight: 74.0 g
Cotyledon Dry Weight: 1.61 g
Cotyledon Length: 25.8 mm
Cotyledon Width: 14.9 mm


 Frances Bekele & Gillian Bidaisee, 2022
Testa: 5.10 %
 Trinidad - CRU, 1998
Butterfat Content: 55.00 %
Testa: 5.30 %


 Frances Bekele & Gillian Bidaisee, 2022
Shape: obovate
Basal Constriction: moderate
Apex Form: obtuse
Rugosity: slight
Length: 166.0 mm
Breadth: 88.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa


 Fiona Lahive, 2017
Accession: RUQ 383
Light Saturated Photosynthetic Rate: 2.56 μmol m2 s-1
Stomatal Conductance: 0.05 mol m2 s-1
Transpiration Rate: 0.97 mmol m2 s-1
Intrinsic Water Use Efficiency: 54.11 μmol mol-1
Instantaneous Water Use Efficiency: 2.76 mmol mol-1
Flush Size: 5
Leaf Area: 216.10 cm2
Leaf Dry Weight: 1.54 g
Specific Leaf Area: 142.00 cm2 g-1


 Frances Bekele & Gillian Bidaisee, 2022
Colour: slight anthocyanin


 Trinidad - ICGT, 1992
Distance from Base to Widest Part: 126 mm
Length: 256.0 mm
Width: 91.0 mm
Length to Width Ratio: 2.80
Basal Angle: 132.7 °
Apical Angle: 87.8 °
Petiole Length: 17 mm
Pulvinus Length: 11 mm


 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: slight anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 8.99 mm
Ligule Width: 3.12 mm
Ovule Number: 38
Style Length: 2.64 mm
Pedicel Colour: red

Marita, J. M., Nienhuis, J., Pires, J. L. & Aitken, W. M. (2001) Analysis of Genetic Diversity in Theobroma cacao with Emphasis on Witches’ Broom Disease Resistance. Crop Sci. 41:1305–1316.
Ecuador - Pichilingue (1987) Nomina de clones y numero de plantas existentes en la coleccion internacional de germoplasma de cacao, EET, Pichilingue. Unpublished report, E.E.T. Pichilingue, Ecuador. pp. 18.
Trinidad - ICTA (EQX) (No Date) List of the parentage of EQX accessions. Untitled manuscript, Cocoa Research Unit, University of the West Indies, Trinidad. pp.1.
Tarqui-Freire, Omar Miguel (2010) EVALUACIÓN DE CLONES DE CACAO (Theobroma Cacao L.) PROVENIENTES DE PLÁNTULAS HÍBRIDAS SELECCIONADAS POR RESISTENCIA A LA ENFERMEDAD ESCOBA DE BRUJA (Moniliopththora Perniciosa). Universidad Tecnica Estatal de Quevedo, Ecuador
Cornejo, O.E., Muh-Ching Yee, Victor Dominguez, Mary Andrews, Alexandra Sockell, Erika Strandberg, Donald Livingstone III, Conrad Stack, Alberto Romero, Pathmanathan Umaharan, Stefan Royaert, Nilesh R. Tawari, Pauline Ng, Osman Gutierrez, Wilbert Phillips, Keithanne Mockaitis, Carlos D. Bustamante & Juan C. Motamayor (2018) Population genomic analyses of the chocolate tree, Theobroma cacao L., provide insights into its domestication process. Commun Biol 1, 167
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.
Colombia - ICA Palmira (1990) List of clones held at ICA Palmira. F. Ocampo Rojas, ICA, Colombia.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
EET - Pichilingue (2012) Accessions planted in EET - Pichilingue, Ecuador. Freddy Amores and Ignacio Sotomayor C, personal communication, February 2012.
CRIG (2012) Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG). Francis Kwame Padi, personal communication, February 2012.
CRU (2011) ICG,T accessions. CRU website.
Enriquez, G. & Soria, V.J. (1977) Mejoramiento genético para resistencia a cinco enfermedades del cacao. In: Proceedings of the 6th International Cocoa Research Conference, Caracas, Venezuela, 1977. Cocoa Producers' Alliance, Lagos, Nigeria. pp. 45-56.
Butler, D.R., Iwaro, A.D., Thevenin, J.-M., Bekele, F., Sounigo, O., Christopher, Y. & Mooledhar, V. (1998) Individual Institute Reports - Trinidad & Tobago, CRU. Report on the IPGRI project: Cocoa Germplasm Utilisation and Conservation, A Global Approach. Appendix to General Progress Report of Year 1.
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.
Trinidad - CRU (1998) Fat Analysis Data. Data supplied on computer diskette by F. Bekele, CRU, Trinidad.
Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.
Trinidad - ICGT (1992) Leaf descriptors. Unpublished data supplied on computer diskette by International Cocoa Genebank, Trinidad, University of the West Indies, Trinidad.