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ICS 61    Theobroma cacao

 Lockwood, G. & Gyamfi, M.M.O. (1979)
The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.

Derivation: Imperial College Selections.
Location: ICTA, Trinidad and Tobago.

Notes:  Lockwood & Gyamfi, 1979 [LOC79A] Selections from farms in Trinidad (1-100) and from Criollo progenies (101-107).

Cope, 1949a [COP49A]. One hundred selections were made as a result of a survey started in 1930 by Pound.

Bartley, 1993a [BAR93A]. Numbers 1 to 100 were selected from all over Trinidad, numbers 101 to 107 were Criollo trees selected from a farm but all have been lost and numbers greater than 111 are selections made in an experimental programme.

Bartley, 1996a [BAR96A]. The ICS material includes several clones which resulted from recent (at that time) introductions. These include Criollos from Nicaragua (ICS 60 and its relatives) or Venezuela. Other ICS clones represent "Amazonian" types originally introduced from the Orinoco. It is likely that several introductions were involved in creating the diversity that existed in Trinidad when Pound started the selection work.

Bartley, 1997b [BAR97B] From ICS 113 onwards these clones were used as parents in the AX / MX series. The same cross be known by an equivalent C [TTO] name.
 

Synonyms: I S C 61

 Reference
BioProject: PRJNA486011   NCBI   ENA FASTQ 
Project: PRJEB28591   EVA (project)   EVA (analysis) 
Library Source: Genomic
 
Run: SRR7774314   NCBI   ENA FASTQ 
Experiment: SRX4629510
BioSample: SAMN09934463
SampleName: ICS_61
SampleSource: Trinidad

 HELD IN

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 Cameroon, Institut de Recherche Agricole pour le Développement (IRAD)
List received in 1985   Reference
• Local Name: ICS 61
List received in 2018   Reference
• Accession: 19483
   - Local Name: ICS-61
   - Year of Accession: 1993
List received in 1989   Reference
• Local Name: ICS 61
   - Year of Accession: 1985
List received in 1992   Reference
• Local Name: ICS 61
List received in 1994   Reference
• Local Name: ICS 61
   - Year of Accession: 1992
• Local Name: ICS 61
   - Year of Accession: 1992
List received in 1998   Reference
• Local Name: ICS 61
   - Year of Accession: 1991
• Local Name: ICS 61
   - Year of Accession: 1991
List received in 1998   Reference
• Local Name: ICS 61
List received in 2011   Reference
• Local Name: ICS 61
List received in 2016   Reference
• Accession: PI 668424     GRIN-Global 
   - Local Name: ICS 61
   - Year of Accession: 1989

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Susceptible, sp. P. palmivora (Pod).
 Sreenivasan, T.N., 1993
Susceptible, sp. P. palmivora (Pod).
 Sreenivasan, T.N., 1980
Susceptible, 98.00 % Infection, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Blaha, G. & Lotode, R., 1976

Resistant
 K. F. N’Guessan et al., 2003

Pod Index: 26.2 (pods per kg dried beans)
 Reference

Size: large
 Reference
Colour: purple
Shape: ovate
Number: 49.0
Total Wet Weight: 52.0 g
Cotyledon Dry Weight: 0.78 g
Cotyledon Length: 21.3 mm
Cotyledon Width: 11.2 mm
 Reference

Testa: 2.60 %
 Reference

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Size: large
 Reference
Shape: elliptical
Basal Constriction: slight
Apex Form: obtuse
Rugosity: moderate
Length: 157.0 mm
Breadth: 76.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference
Shape: amelonado
Colour: green
 Reference

Colour: slight anthocyanin
 Reference

Self Compatibility: self incompatible
 Reference
Ligule Colour: slight anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 7.27 mm
Ligule Width: 2.45 mm
Ovule Number: 55
Style Length: 1.79 mm
Pedicel Colour: red
 Reference

Lockwood, G. & Gyamfi, M.M.O. (1979) The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.
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
Cameroon - IRAD Cameroun (1985) Collection Camerounaise de cacaoyers (situation en Juillet, 1985). Unpublished report, IRCC Cameroun. Supplied by A.B. Eskes, IRCC Montpellier.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Cote d'Ivoire - IRCC (1989) Liste des clones en collection. Unpublished Report, IRCC Bingerville, Cote d'Ivoire, Doc. No. 192. D. Clement, IRCC, Cote d'Ivoire. Personal Communication.
Gabon - SOCAGAB (1992) Liste des clones de la collection du C.M.C.E. de Minkong (Oyem, Gabon). Ph. Lachenaud, CIRAD, Kourou, Guyane. Personal Communication.
Malaysia - ARC Tuaran (1994) Accessions in the Malaysian Cocoa Board collection obtained from USDA Mayaguez since 1991. M.T. Lee, MCB, Malaysia. Personal Communication.
Malaysia - ARC Tuaran (1998) Accessions held in the Malaysian Cocoa Board collection, May 1998. K. Lamin, MCB, Malaysia, Personal Communication.
PNG - Cocoa & Coconut Research (1998) Current list of cocoa accessions at the PNG CCRI. Mr. Mathias Faure, Personal Communication.
CRU (2011) ICG,T accessions. CRU website.
USDA, ARS Tropical Agriculture Research Station, Mayaguez, Puerto Rico. (2016) List of cocoa accessions held at Mayaguez in April 2016. USDA-ARS GRIN-Global. [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
Sreenivasan, T.N. (1993) Screening for resistance to Black Pod. T.N. Sreenivasan, CRU, Trinidad. Personal Communication.
Sreenivasan, T.N. (1980) Screening for resistance to Black Pod. Cocoa Research Unit Annual Report on Cocoa Research 1975-1980. University of the West Indies, Trinidad. p.16.
Blaha, G. & Lotode, R. (1976) Un critere primordial de selection du cacaoyer au Cameroun: la resistance a la pourriture brune des cabossees ( Phytophthora palmivora ). Cafe, Cacao, The 20(2): pp. 97-116.
K. F. N’Guessan, A. B. Eskes & Ph. Lachenaud (2003) Etude de la Resistance du Cacaoyer aux Mirides : Classification des Grands Groupes de Cacaoyers en Fonction de Leur Niveau de Resistance ou Sensibilite. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.
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.
Bartley, B.G.D. (1970) A preliminary catalogue of the cacao germplasm held at the University of the West Indies, Trinidad. University of the West Indies, St. Augustine, Trinidad.
Morera, J., Paredes, A. & Mora, A. (1991) Germoplasma de cacao en el CATIE entre 1947 y 1991, Programa II: Generacion y transferencia de tecnologia. IICA, San Jose, Costa Rica, pp. 49.