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KER 6 Group Name Theobroma cacao

French Guiana - CIRAD-CP (1994)
Morphological characteristics of the clones held at CIRAD Guyane. Data supplied to ICGD on computer diskette. Dr. Ph. Lachenaud, CIRAD Guyane.

Derivation: river KERinioutou,.
Collected by Lachenaud.
Location: R. Kerinioutou, Oyapock, French Guiana.

Lachenaud, 1993a [LAC93A]. Habit - Tall trees. Leaf- pigmented flush leaves. Fruits - green and Amelonado shaped, similar to PINA. No symptoms of Witches Broom.

Notes: French Guiana - CIRAD-CP, 1994a [GUY94A] Collections made in 1990.

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COLLECTION DETAILS

Location: R. Kerindioutou, Haut Oyapock, French Guiana

Date: 12 July 1990

Coordinates: 53°0'0" W, 2°10'39" N

Material collected: Budwood

Expedition Code: 90GU

Lachenaud, P. & Sallee, B., 1993

POPULATION

Motamayor, J.C. et al., 2008: 'Guiana' Population; 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
Guiltinan, Mark, 2019: 'Guiana' Population; Reference

Reference

Guiltinan, Mark 2019
Theobroma cacao Disease Resistance: Discovery and Functional Characterization of Genes Regulating Plant Immunity in Perennial Crops. NCBI
Notes

A project to establish a new scientific approach for use with perennial crop plants to identify candidate loci for disease resistance using Theobroma cacao. Leaf samples were collected from the La Montaña field site at the CATIE field station in Turrialba, Costa Rica. The study focused on four genetic groups (Guiana, Iquitos, Marañon, and Nanay) and variation in resistance to Phytophthora.
Last updated: November, 2022

plantscience.psu.edu/…

Disease Population Accession Data Project Data

GENOME/TRANSCRIPTOME DATA LINKS

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Xavier Argout et al., 2023

BioProject: PRJNA880462 NCBI ENA FASTQ

Library Source: Genomic

Run: SRR21562099 NCBI ENA FASTQ

Experiment: SRX17564480

BioSample: SAMN30841426

SampleName: KER_6

Guiltinan, Mark, 2019

Reference View Associated Data

BioProject: PRJNA558793 NCBI ENA FASTQ

Library Source: Genomic & Transcriptomic

Run: SRR14022530 NCBI ENA FASTQ

Library Source: Genomic

Experiment: SRX10399145

BioSample: SAMN12500402

SampleName: KER-6

SampleSource: Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Costa Rica, Tree_ID: P000169

Run: SRR9938266 NCBI ENA FASTQ

Library Source: Genomic

Experiment: SRX6686857

BioSample: SAMN12500402

SampleName: KER-6

SampleSource: Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Costa Rica, Tree_ID: P000169

Run: SRR9938267 NCBI ENA FASTQ

Library Source: Genomic

Experiment: SRX6686856

BioSample: SAMN12500402

SampleName: KER-6

SampleSource: Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Costa Rica, Tree_ID: P000169

Run: SRR9938339 NCBI ENA FASTQ

Library Source: Genomic

Experiment: SRX6686784

BioSample: SAMN12500402

SampleName: KER-6

SampleSource: Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Costa Rica, Tree_ID: P000169

Run: SRR9938248 NCBI ENA FASTQ

Library Source: Transcriptomic

Experiment: SRX6686875

BioSample: SAMN12500402

SampleName: KER-6

SampleSource: Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Costa Rica, Tree_ID: P000169

HELD IN

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United Kingdom, International Cocoa Quarantine Centre, Reading (ICQC,R): Current List ICQC,R Website; • Accession: RUQ 408 ICQC,R; - Local Name: KER 6; - Year of Accession: 1993
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: 22030; - Local Name: KER-6; - Year of Accession: 2006
France, CIRAD (Centre de Coopération Internationale en Researche Agronomique pour le Développment): List received in 2012 Reference

Reference

Philippe Lachenaud 2012
CIRAD Montpellier Clone List (Excel Spreadsheet). Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.; • Local Name: KER 6
French Guiana, CIRAD (Centre de Coopération Internationale en Researche Agronomique pour le Développment): List received in 2012 Reference

Reference

Philippe Lachenaud 2012
F. Guiana database, CIRAD-CP. Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.; • Local Name: KER 6; - Year of Accession: 1990
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: KER6

DISEASE

Phytophthora: Susceptible; Guiltinan, Mark, 2019

Reference

Guiltinan, Mark 2019
Theobroma cacao Disease Resistance: Discovery and Functional Characterization of Genes Regulating Plant Immunity in Perennial Crops. NCBI
Notes

A project to establish a new scientific approach for use with perennial crop plants to identify candidate loci for disease resistance using Theobroma cacao. Leaf samples were collected from the La Montaña field site at the CATIE field station in Turrialba, Costa Rica. The study focused on four genetic groups (Guiana, Iquitos, Marañon, and Nanay) and variation in resistance to Phytophthora.
Last updated: November, 2022

plantscience.psu.edu/…

Disease Population Accession Data Project Data; Susceptible, sp. P. megakarya (Leaf Disc Test).; Note: Mean of lesion score = 2.57. Population Kerindioutou; Paulin, D. et al., 2008

Reference

Paulin, D., Ducamp, M. & Lachenaud, P. 2008
New sources of resistance to Phytophthora megakarya identified in wild cocoa tree populations of French Guiana. Crop Protection. 27: pp 1143–1147.
Notes

Phytophthora megakarya inoculation used strain NS269 isolated from a pod harvested in West Province, Cameroon (village of Fako). This strain is of mating type A1.

Disease

PHENOTYPING

Fiona Lahive, 2017: Accession: RUQ 408; Light Saturated Photosynthetic Rate: 2.53 μmol m² s^-1; Stomatal Conductance: 0.04 mol m² s^-1; Transpiration Rate: 0.70 mmol m² s^-1; Intrinsic Water Use Efficiency: 63.70 μmol mol^-1; Instantaneous Water Use Efficiency: 3.83 mmol mol^-1; Flush Size: 5; Leaf Area: 208.80 cm²; Leaf Dry Weight: 1.53 g; Specific Leaf Area: 142.50 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: moderate anthocyanin; 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

French Guiana - CIRAD-CP (1994) Morphological characteristics of the clones held at CIRAD Guyane. Data supplied to ICGD on computer diskette. Dr. Ph. Lachenaud, CIRAD Guyane.

Lachenaud, P. & Sallee, B. (1993) Les cacaoyers spontanes de Guyane. Localisation, ecologie et morphologie. Cafe, Cacao, The 37: pp. 101-114.

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

Guiltinan, Mark (2019) Theobroma cacao Disease Resistance: Discovery and Functional Characterization of Genes Regulating Plant Immunity in Perennial Crops. NCBI

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

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

Philippe Lachenaud (2012) CIRAD Montpellier Clone List (Excel Spreadsheet). Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.

Philippe Lachenaud (2012) F. Guiana database, CIRAD-CP. Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.

CRIG (2012) Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG). Francis Kwame Padi, personal communication, February 2012.

Paulin, D., Ducamp, M. & Lachenaud, P. (2008) New sources of resistance to Phytophthora megakarya identified in wild cocoa tree populations of French Guiana. Crop Protection. 27: pp 1143–1147.

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.