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LCT EEN 68 /S-2    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.

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 68 /S-2

 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.

 COLLECTION DETAILS

Location: R. Zamora, Morona - Santiago, Ecuador (cocoa plantation)
Date: 8 August 1980
Coordinates: 78.32 W, 3.29 S
Material collected: Seed
Altitude: 800 m
Notes: Gualaquiza-Zamora km5.200m from the road (W)
Expedition Code: 80EQ
   Allen, J.B., 1987

 HELD IN

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Current List   ICQC,R Website
• Accession: RUQ 1594     ICQC,R 
   - Local Name: LCT EEN 68/S-2
   - Year of Accession: 2006
List received in 2018   Reference
• Accession: 22183
   - Local Name: LCTEEN-68/S-2
   - Year of Accession: 2012
List received in 2012   Reference
• Local Name: LCTEEN - 68 S/2
List received in 2012   Reference
• Local Name: LCTEEN 68/5-2
List received in 2011   Reference
• Local Name: LCT EEN 68/S-2
   - Year of Accession: 1985

 YIELD

 Frances Bekele & Gillian Bidaisee, 2016
Pod Index: 21.7 (pods per kg dried beans)
 Reference

 BEAN

 Frances Bekele & Gillian Bidaisee, 2016
Colour: purple
Shape: elliptical
Number: 43.0
Total Wet Weight: 69.9 g
Cotyledon Dry Weight: 1.07 g
Cotyledon Length: 22.4 mm
Cotyledon Width: 12.4 mm
 Reference

 FRUIT

 Frances Bekele & Gillian Bidaisee, 2016
Shape: elliptical
Basal Constriction: moderate
Apex Form: mammillate
Rugosity: moderate
Length: 163.0 mm
Breadth: 88.0 mm
Colour: anthocyanin absent
Note: Pod wall hardness > 2.0 MPa
 Reference

 PHENOTYPING

 Fiona Lahive, 2017
Accession: RUQ 1594
Light Saturated Photosynthetic Rate: 6.65 μmol m2 s-1
Stomatal Conductance: 0.11 mol m2 s-1
Transpiration Rate: 1.57 mmol m2 s-1
Intrinsic Water Use Efficiency: 65.96 μmol mol-1
Instantaneous Water Use Efficiency: 4.79 mmol mol-1
Flush Size: 5
Leaf Area: 350.90 cm2
Leaf Dry Weight: 2.32 g
Specific Leaf Area: 155.90 cm2 g-1
 Reference

 FLOWER

 Frances Bekele & Gillian Bidaisee, 2016
Ligule Colour: moderate anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 8.20 mm
Ligule Width: 2.45 mm
Ovule Number: 41
Style Length: 2.04 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.
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.
Frances Bekele & Gillian Bidaisee (2016) Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago.. Unpublished data on fruit and flower morphology supplied as an Excel spreadsheet by Frances Bekele, April 2016.
Fiona Lahive (2017) Phenotypic data from climate change trials.. Personal communication.