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LCT EEN 141 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

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Synonyms: EEN 141

COLLECTION DETAILS

Location: Coca - Lago Agrio, Napo, Ecuador (secondary/cleared forest)

Date: 12 November 1980

Coordinates: 76.52 W, 0.22 S

Material collected: Budwood

Altitude: 260 m

Notes: INIAP San Carlos 'Napo' cocoa grounds

Expedition Code: 80EQ

Allen, J.B., 1987

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

Cornejo, O.E. et al., 2018

Reference

BioProject: PRJNA486011 NCBI ENA FASTQ

Project: PRJEB28591 EVA (project) EVA (analysis)

Library Source: Genomic

Run: SRR7774326 NCBI ENA FASTQ

Experiment: SRX4629498

BioSample: SAMN09934479

SampleName: LCTEEN_141

SampleSource: gDNA Miami, Tree_ID: Tc01453

HELD IN

Ecuador, Estacion Experimental Central de la Amazonía: List received in 1990 Reference

Reference

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 Unpublished report, E.E.T. San Carlos, Napo, Ecuador, pp. 2.; • Local Name: LCT EEN 141
Ecuador, Estation Experimental Tropical Pichilingue: List received in 2012 Reference

Reference

EET - Pichilingue 2012
Accessions planted in EET - Pichilingue, Ecuador. Freddy Amores and Ignacio Sotomayor C, personal communication, February 2012.; • Local Name: LCTEEN - 141; - Year of Accession: 2005

FLUSH

Allen, J.B., 1988: Colour: anthocyanin absent; Reference

Reference

Allen, J.B. 1988
Geographical variation and population biology in wild Theobroma cacao. PhD. Thesis, University of Edinburgh, U.K. pp. 197.
Notes

Colombia, Ecuador - Amazon region Datafile: LCT___DC ECU - LCTAP Fruit and seed characteristics LCT2__DS LCTAP Habit and flower characteristics LCT___DS ECU - LCTAP Field and genebank data Germplasm: Details of 234 LCT-EEN and EBC accessions from material collected in the Amazon region of Ecuador and R. Caqueta, Colombia and several of Pound's collections held at the San Carlos genebank. Environment: Accessions were either described at the time of collection or after planting in the field genebank at the San Carlos site of the INIAP Napo-Payamino Experimental Station in Napo Province. In the field genebank, a maximum of 10 seedlings for each collection were planted in a single row and budwood collections were planted as a row of up to 5 plants. Trees were spaced at 3m within the row and 4m between rows. Meteorological data are given in the table as mean daily maximum and mean daily minimum temperature and mean total rainfall per month. Soil analyses were carried out in the Department of Forestry and Natural Resources, Edinburgh University, UK. The table shows the means of duplicate analyses of five samples taken from the genebank site and the forest surrounding the genebank. Soil data: pH 4.2 Org. Mat. (%) 9.4 N (Total, %) 0.3 P (Total, µg/g) 702 Ca (meq/100g) 5.19 Mg (meq/100g) 1.60 K (meq/100g) 0.48 Ca/Mg (ratio) 3.24 Ca+Mg/K (ratio) 14.1 Meteorological data: Temperature (°C) Rainfall (mm) Daily Max. Daily Min. January 30.9 21.2 116.2 February 29.1 20.6 272.3 March 29.8 21.2 260.0 April 29.9 21.3 327.5 May 29.9 21.0 287.9 June 27.9 20.4 308.1 July 28.1 20.0 254.1 August 29.3 20.3 262.5 September 30.3 20.5 282.4 October 30.6 21.1 257.1 November 30.8 21.1 361.2 December 31.0 21.4 154.8 Descriptors: The coding of the descriptors, and the methodology of recording, is based on the IBPGR standardised format, Engels et al., 1980 [ENG80A] and Engels, 1981 [ENG81A]. However, pod and bean data were recorded from a sample of 1-5 pods per collection, rather than the recommended sample of 10-20 pods due to limited availability of pods.

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.

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

Cornejo, O.E., Muh-Ching Yee, Victor Dominguez, Mary Andrews, Alexandra Sockell, Erika Strandberg, Donald Livingstone III, Conrad Stack, Alberto Romero, Pathmanathan Umaharan, Stefan Royaert, Nilesh R. Tawari, Pauline Ng, Osman Gutierrez, Wilbert Phillips, Keithanne Mockaitis, Carlos D. Bustamante & Juan C. Motamayor (2018) Population genomic analyses of the chocolate tree, Theobroma cacao L., provide insights into its domestication process. Commun Biol 1, 167

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.

Allen, J.B. (1988) Geographical variation and population biology in wild Theobroma cacao. PhD. Thesis, University of Edinburgh, U.K. pp. 197.