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LCT EEN 31    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: EEN 31

Location: R. Napo, Napo, Ecuador (primary forest)
Date: 4 June 1980
Coordinates: 76.34 W, 0.24 S
Material collected: Budwood
Altitude: 220 m
Notes: Rio Indillama-30 min up. 1hr from Limoncocha S
Expedition Code: 80EQ
   Allen, J.B., 1987

'Curaray' Population
Subgroup: 'Curaray R - Napo R'   Reference


 Xavier Argout et al., 2023
BioProject: PRJNA880462   NCBI   ENA FASTQ 
Library Source: Genomic
Run: SRR21562044   NCBI   ENA FASTQ 
Experiment: SRX17564535
BioSample: SAMN30841447
SampleName: LCTEEN_31

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List received in 1990   Reference
• Local Name: LCT EEN 31
List received in 2012   Reference
• Local Name: LCTEEN - 31
   - Year of Accession: 2005
List received in 2011   Reference
• Local Name: LCT EEN 31
   - Year of Accession: 1985
List received in 2010   Reference
• Accession: MIA 35763     GRIN-Global 
   - Local Name: LCT-EEN 31
   - Year of Accession: 2002

Pod Index: 36.3 (pods per kg dried beans)

Colour Dark Purple: Absent
Colour Light Purple: Present
Colour White: Present
Number: 37.0
Length: 26.8 mm
Width: 14.9 mm
Thickness: 11.3 mm
Cotyledon Wet Weight: 2.82 g
Colour: purple
Shape: elliptical
Number: 26.0
Total Wet Weight: 30.0 g
Cotyledon Dry Weight: 1.06 g
Cotyledon Length: 20.2 mm
Cotyledon Width: 9.6 mm

Testa: 5.80 %
Butterfat Content: 54.30 %
Testa: 6.40 %

Basal Constriction: slight
Apex Form: slightly acute
Rugosity: moderate
Husk Thickness: 21 mm
Length: 215.0 mm
Breadth: 107.0 mm
Colour: anthocyanin absent
Weight: 988.0 g
Length Breadth Ratio: 2.00
Note: genebank data
Shape: elliptical
Basal Constriction: moderate
Apex Form: indented
Rugosity: moderate
Length: 149.0 mm
Breadth: 75.0 mm
Colour: anthocyanin absent
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa

Colour: slight anthocyanin
Colour: slight anthocyanin

Ligule Colour: slight anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 8.28 mm
Ligule Width: 2.29 mm
Ovule Number: 43
Style Length: 2.17 mm
Pedicel Colour: reddish

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
Xavier Argout, Gaetan Droc, Olivier Fouet, Mathieu Rouard, Karine Labadie, Bénédicte Rhoné, Gaston Rey Loor & Claire Lanaud (2023) Pangenomic exploration of Theobroma cacao: New Insights into Gene Content Diversity and Selection During Domestication. bioRxiv preprint
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.
CRU (2011) ICG,T accessions. CRU website.
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.
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.
Allen, J.B. (1988) Geographical variation and population biology in wild Theobroma cacao. PhD. Thesis, University of Edinburgh, U.K. pp. 197.