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LCT EEN 46    Theobroma cacao

 Allen, J.B. (1987)
London Cocoa Trade Amazon Project. Final Report Phase 2. Cocoa Growers' Bulletin (Cadbury Schweppes plc, Birmingham, U.K.) 39: pp. 1-94.

Derivation: London Cocoa Trade Est. Exp. Napo.
Collected by Allen.
Location: Ecuador.

Notes:  Allen, 1989a [ALL89A] Seedling progenies are identifed by the suffix /s2, /s3. The numbers in the suffix of the seedling material relates to the genebank/quarantine station where the seedling material was originally sent as follows:

s1,s2... in San Carlos genebank, Ecuador,

s101,s102... at Kew (and moved to Trinidad),

s201,s202... at USDA Miami quarantine station,

s301,s302... at Barbados quarantine station.


 

Synonyms: G VI 221, EEN 46

 COLLECTION DETAILS

Location: Loreto, Napo, Ecuador (cocoa plantation)
Date: 11 June 1980
Coordinates: 77.20 W, 0.42 S
Material collected: Budwood
Altitude: 450 m
Expedition Code: 80EQ
   Allen, J.B., 1987

 POPULATION

 Motamayor, J.C. et al., 2008
'Nacional' Population
 Reference

 GENOME/TRANSCRIPTOME DATA LINKS

 Cornejo, O.E. et al., 2018
 Reference
BioProject: PRJNA486011   NCBI   ENA FASTQ 
Project: PRJEB28591   EVA (project)   EVA (analysis) 
Library Source: Genomic
 
Run: SRR7774192   NCBI   ENA FASTQ 
Experiment: SRX4629632
BioSample: SAMN09934480
SampleName: LCT_EEN_46
SampleSource: Trinidad, Tree_ID: Tc01431
Run: SRR7774201   NCBI   ENA FASTQ 
Experiment: SRX4629623
BioSample: SAMN09934478
SampleName: LCT46_A1
SampleSource: Ecuador

 HELD IN

Show Details Hide Details

List received in 2012   Reference
• Accession: 973
   - Local Name: LCT EEN 46
List received in 2012   Reference
• Local Name: LCTEEN-46
   - Year of Accession: 1996
List received in 1999   Reference
• Local Name: LCT EEN 46
List received in 2018   Reference
• Accession: 21852
   - Local Name: LCTEEN-46
   - Year of Accession: 2004
List received in 1999   Reference
• Local Name: LCT EEN 46
List received in 1990   Reference
• Local Name: LCT EEN 46
List received in 2012   Reference
• Local Name: LCTEEN - 46
   - Year of Accession: 1997
List received in 2012   Reference
• Local Name: LCT-EEN-46
List received in 2012   Reference
• Local Name: LCT-EEN 46
   - Year of Accession: 1992
List received in 2012   Reference
• Local Name: LCTEEN 46
   - Year of Accession: 1998
List received in 1997   Reference
• Accession: 221
   - Local Name: LCT EEN 46
   - Year of Accession: 1993
List received in 2008   Reference
• Local Name: LCT-EEN 46
List received in 1999   Reference
• Local Name: LCT EEN 46
List received in 1999   Reference
• Local Name: LCT EEN 46
List received in 1998   Reference
• Local Name: LCT EEN 46
   - Year of Accession: 1998
List received in 2011   Reference
• Local Name: LCT EEN 46
   - Year of Accession: 1994
List received in 2016   Reference
• Accession: PI 668488     GRIN-Global 
   - Local Name: LCT EEN 46
   - Year of Accession: 2008
List received in 2010   Reference
• Accession: MIA 35975     GRIN-Global 
   - Local Name: LCT EEN-46
   - Year of Accession: 2002

 DISEASE

 Ceratocystis
Moderately Susceptible (Branch).
Note: Based on mycelium and perithecium development.
 Ricardo A. Delgado & Carmen Suárez Capello, 2003
Susceptible (Branch).
Note: Based on mycelium growth and the production of perithecia..
 Stela Dalva Vieira Midlej Silva, 2003

 YIELD

 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 45.9 (pods per kg dried beans)
 Reference

 BEAN

 Allen, J.B., 1987
Colour Dark Purple: Present
Colour Light Purple: Absent
Colour White: Absent
Number: 21.0
Length: 21.1 mm
Width: 11.4 mm
Thickness: 9.0 mm
Cotyledon Wet Weight: 1.35 g
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Colour: dark purple
Shape: elliptical
Number: 33.0
Total Wet Weight: 34.3 g
Cotyledon Dry Weight: 0.66 g
Cotyledon Length: 18.8 mm
Cotyledon Width: 10.7 mm
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 7.10 %
 Reference

 FRUIT

 Allen, J.B., 1987
Basal Constriction: slight
Apex Form: attenuate
Rugosity: intense
Husk Thickness: 17 mm
Length: 176.0 mm
Breadth: 84.0 mm
Colour: anthocyanin absent
Weight: 348.0 g
Length Breadth Ratio: 2.09
Note: genebank data
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: slight
Apex Form: acute
Rugosity: slight
Length: 136.0 mm
Breadth: 75.0 mm
Colour: anthocyanin absent
 Reference

 FLUSH

 Allen, J.B., 1988
Colour: intermediate anthocyanin
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Colour: moderate anthocyanin
 Reference

 FLOWER

 Allen, J.B., 1988
Stamen Colour: moderate anthocyanin
Sepal Colour: moderate anthocyanin
Sepal Length: 9.00 mm
Ovary Colour: moderate anthocyanin (apical)
Pedicel Colour: moderate anthocyanin
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: moderate anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 8.45 mm
Ligule Width: 2.82 mm
Ovule Number: 40
Style Length: 2.90 mm
Pedicel Colour: red
 Reference

Allen, J.B. (1987) London Cocoa Trade Amazon Project. Final Report Phase 2. Cocoa Growers' Bulletin (Cadbury Schweppes plc, Birmingham, U.K.) 39: pp. 1-94.
Motamayor, J.C., Lachenaud, P., da Silva e Mota, J.W., Loor, R., Kuhn, D.N., Brown, J.S. & Schnell, R.J. (2008) Geographic and Genetic Population Differentiation of the Amazonian Chocolate Tree (Theobroma cacao L). PLoS ONE 3(10): e3311. doi:10.1371/journal.pone.0003311
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.
Eskes, A.B. (1999) Advanced Draft. Working Procedures and Recording Sheets for the CFC/ICCO/IPGRI Project. CFC/ICCO/IPGRI Cocoa Project.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Ecuador - Napo (1990) Lista de los materiales en San Carlos, Napo, basada en Informe Final de Allen, 1987, y la lista de CRU, Trinidad (29 Junio 1990), de materiales ya establecidos. Unpublished report, E.E.T. San Carlos, Napo, Ecuador, pp. 2.
EET - Pichilingue (2012) Accessions planted in EET - Pichilingue, Ecuador. Freddy Amores and Ignacio Sotomayor C, personal communication, February 2012.
Philippe Lachenaud (2012) CIRAD Montpellier Clone List (Excel Spreadsheet). Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.
Philippe Lachenaud (2012) F. Guiana database, CIRAD-CP. Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.
CRIG (2012) Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG). Francis Kwame Padi, personal communication, February 2012.
India - Kerala (1997) List of survivng clones from all the introductions. R.V. Nair, Kerala Agricultural University, India. Personal Communication.
Haeser, E. (2008) Accession list for Bah Lias Research Station, PT.PP. London Sumatra, Indonesia. Personal communication, March 2010.
PNG - Cocoa & Coconut Research (1998) Current list of cocoa accessions at the PNG CCRI. Mr. Mathias Faure, Personal Communication.
CRU (2011) ICG,T accessions. CRU website.
USDA, ARS Tropical Agriculture Research Station, Mayaguez, Puerto Rico. (2016) List of cocoa accessions held at Mayaguez in April 2016. USDA-ARS GRIN-Global. [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
USDA-ARS, SHRS, NCGR, National Germplasm Repository, Miami, Florida, USA. (2010) List of cocoa accessions held at Miami and Coconut Grove (Plant Introduction Station) in July, 2010. USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN). [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
Ricardo A. Delgado & Carmen Suárez Capello (2003) Evaluación de la Resistencia Al Mal del Machete en Clones Internacionales de Cacao en Ecuador. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.
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.
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.
Allen, J.B. (1988) Geographical variation and population biology in wild Theobroma cacao. PhD. Thesis, University of Edinburgh, U.K. pp. 197.