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LCT EEN 250    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 250

Location: R. Curaray, Para, Ecuador (primary forest)
Date: 27 August 1981
Coordinates: 76.40 W, 1.25 S
Material collected: Budwood
Altitude: 200 m
Notes: Curaray-Lorocachi, 77km east of Curaray north bank
Expedition Code: 80EQ
   Allen, J.B., 1987

'Contamana' Population
 Reference

 HELD IN

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 Ecuador, Estacion Experimental Central de la Amazonía
List received in 1990   Reference
• Local Name: LCT EEN 250
List received in 2012   Reference
• Local Name: LCTENN - 250
   - Year of Accession: 1997
List received in 2011   Reference
• Local Name: LCT EEN 250
   - Year of Accession: 1994

Pod Index: 19.6 (pods per kg dried beans)
 Reference

Colour Dark Purple: Present
Colour Light Purple: Absent
Colour White: Absent
Number: 40.0
Length: 26.3 mm
Width: 13.8 mm
Thickness: 8.0 mm
Cotyledon Wet Weight: 1.84 g
 Reference
Colour: dark purple
Shape: elliptical
Number: 50.0
Total Wet Weight: 77.5 g
Cotyledon Dry Weight: 1.02 g
Cotyledon Length: 23.7 mm
Cotyledon Width: 11.7 mm
 Reference

Testa: 5.00 %
 Reference

Basal Constriction: absent
Apex Form: slightly acute
Rugosity: moderate
Husk Thickness: 19 mm
Length: 165.0 mm
Breadth: 108.0 mm
Colour: anthocyanin absent
Weight: 802.0 g
Length Breadth Ratio: 1.52
Note: genebank data
 Reference
Shape: oblong
Basal Constriction: strong
Apex Form: attenuate
Rugosity: intense
Length: 220.0 mm
Breadth: 87.0 mm
Colour: moderate anthocyanin
 Reference

Colour: slight anthocyanin
 Reference
Colour: slight anthocyanin
 Reference

Ligule Colour: anthocyanin absent
Stamen Colour: moderate anthocyanin
Sepal Length: 7.73 mm
Ligule Width: 1.86 mm
Ovule Number: 40
Style Length: 2.62 mm
Pedicel Colour: reddish
 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
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.
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.