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LCT EEN 81    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 81

Location: R. Zamora, Morona - Santiago, Ecuador (pasture)
Date: 11 August 1980
Coordinates: 78.27 W, 3.37 S
Material collected: Budwood
Altitude: 750 m
Notes: Rio Zamora-Tundaime 1km from Gabarra(Chuchumbleza) by school
Expedition Code: 80EQ
   Allen, J.B., 1987

'Nacional' Population


 Xavier Argout et al., 2023
BioProject: PRJNA880462   NCBI   ENA FASTQ 
Library Source: Genomic
Run: SRR21562028   NCBI   ENA FASTQ 
Experiment: SRX17564551
BioSample: SAMN30841467
SampleName: LCTEEN_81

List received in 1990   Reference
• Local Name: LCT EEN 81
List received in 2012   Reference
• Local Name: LCTEEN - 81
   - Year of Accession: 1997

Pod Index: 24.5 (pods per kg dried beans)

Colour Dark Purple: Absent
Colour Light Purple: Present
Colour White: Present
Number: 73.0
Length: 25.2 mm
Width: 13.4 mm
Thickness: 8.9 mm
Cotyledon Wet Weight: 2.00 g
Colour: dark purple
Shape: oblong
Number: 27.0
Total Wet Weight: 57.4 g
Cotyledon Dry Weight: 1.51 g
Cotyledon Length: 25.5 mm
Cotyledon Width: 13.4 mm

Testa: 5.40 %

Basal Constriction: absent
Apex Form: slightly acute
Rugosity: intense
Husk Thickness: 21 mm
Length: 195.0 mm
Breadth: 87.0 mm
Colour: anthocyanin absent
Weight: 762.0 g
Length Breadth Ratio: 2.24
Note: genebank data
Shape: elliptical
Basal Constriction: strong
Apex Form: obtuse
Rugosity: intense
Length: 201.0 mm
Breadth: 99.0 mm
Colour: anthocyanin absent

Colour: slight anthocyanin
Colour: anthocyanin absent

Ligule Colour: anthocyanin absent
Stamen Colour: slight anthocyanin
Sepal Length: 7.78 mm
Ligule Width: 2.23 mm
Ovule Number: 42
Style Length: 2.81 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.
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.