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LCT EEN 163 /A Group Name 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.

SNP/SSR Images

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Synonyms: G VI 204, EEN 163 /A

COLLECTION DETAILS

Location: Rio Payamino, Ecuador

Coordinates: 77.05 W, 0.20 S

Marita, J. M. et al., 2001

POPULATION

Motamayor, J.C. et al., 2008: 'Curaray' Population; Subgroup: 'Coca R - Napo R' Reference

Reference

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
Population SSR

GENOME/TRANSCRIPTOME DATA LINKS

Xavier Argout et al., 2023

Reference

BioProject: PRJNA880462 NCBI ENA FASTQ

Library Source: Genomic

Run: SRR21562093 NCBI ENA FASTQ

Experiment: SRX17564486

BioSample: SAMN30841429

SampleName: LCTEEN_163_A

HELD IN

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United Kingdom, International Cocoa Quarantine Centre, Reading (ICQC,R): Current List ICQC,R Website; • Accession: RUQ 178 ICQC,R; - Local Name: LCT EEN 163/A; - Year of Accession: 1988; • Accession: RUQ 178B ICQC,R; - Local Name: LCT EEN 163/A; - Year of Accession: 1988
Brazil, Mars Center for Cocoa Science: List received in 2012 Reference

Reference

Mars Center for Cocoa Science 2012
Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.; • Local Name: LCTEEN-163A; - Year of Accession: 1996
Costa Rica, Centro Agronómico Tropical de Investigación y Enseñanza (CATIE): List received in 2018 Reference

Reference

Allan Mata 2018
Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Notes

Excel file received by email.; • Accession: 21977; - Local Name: LCTEEN-163A; - Year of Accession: 2006
Ghana, Cocoa Research Institute of Ghana (CRIG): List received in 2012 Reference

Reference

CRIG 2012
Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG). Francis Kwame Padi, personal communication, February 2012.; • Local Name: LCTEEN163/A; - Year of Accession: 1989
India, Kerala Agricultural University: List received in 1997 Reference

Reference

India - Kerala 1997
List of survivng clones from all the introductions. R.V. Nair, Kerala Agricultural University, India. Personal Communication.; • Accession: 204; - Local Name: LCT EEN 163 /A; - Year of Accession: 1992
Malaysia, Malaysian Cocoa Board (MCB): List received in 1998 Reference

Reference

Malaysia - ARC Tuaran 1998
Accessions held in the Malaysian Cocoa Board collection, May 1998. K. Lamin, MCB, Malaysia, Personal Communication.; • Local Name: LCT EEN 163 /A
Thailand, Chumphon Horticultural Research Centre: List received in 2012 Reference

Reference

Suchirat Sakuanrungsirikul 2012
Cocoa germplasm maintained at the Chumphon Research Center, Thailand. Data supplied to ICGD by email. Suchirat Sakuanrungsirikul, Agricultural Research Officer, Department of Agriculture, Thailand. January 2012.; • Accession: 36; - Local Name: LCTEEN163A; - Year of Accession: 1993
Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T): List received in 2011 Reference

Reference

CRU 2011
ICG,T accessions. CRU website.
Notes

Website visited 12th April 2011

Link Unavailable [http://sta.uwi.edu/cru/icgt-accessions.asp]; • Local Name: LCT EEN 163/A; - Year of Accession: 1994

PHENOTYPING

Fiona Lahive, 2017: Accession: RUQ 178; Light Saturated Photosynthetic Rate: 5.25 μmol m² s^-1; Stomatal Conductance: 0.11 mol m² s^-1; Transpiration Rate: 1.38 mmol m² s^-1; Intrinsic Water Use Efficiency: 53.35 μmol mol^-1; Instantaneous Water Use Efficiency: 3.88 mmol mol^-1; Flush Size: 4; Leaf Area: 171.00 cm²; Leaf Dry Weight: 0.84 g; Specific Leaf Area: 206.70 cm² g^-1; Reference

Reference

Fiona Lahive 2017
Phenotypic data from climate change trials. Personal communication.
Notes

Data for single trees in ICQC,R. Each value is a mean of 2 time points with 6 leaves per tree (12 measurements), except flush size, which was 2 branches per tree (4 measurements).

Phenotyping

FLUSH

Frances Bekele & Gillian Bidaisee, 2022: Colour: anthocyanin absent; Reference

Reference

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.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower

REFERENCES

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.

Marita, J. M., Nienhuis, J., Pires, J. L. & Aitken, W. M. (2001) Analysis of Genetic Diversity in Theobroma cacao with Emphasis on Witches’ Broom Disease Resistance. Crop Sci. 41:1305–1316.

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

Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.

Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.

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.

Malaysia - ARC Tuaran (1998) Accessions held in the Malaysian Cocoa Board collection, May 1998. K. Lamin, MCB, Malaysia, Personal Communication.

Suchirat Sakuanrungsirikul (2012) Cocoa germplasm maintained at the Chumphon Research Center, Thailand. Data supplied to ICGD by email. Suchirat Sakuanrungsirikul, Agricultural Research Officer, Department of Agriculture, Thailand. January 2012.

CRU (2011) ICG,T accessions. CRU website.

Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.

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.