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ICS 88    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 88

 PEDIGREE DETAILS

 Mother to:
AX 58    Trinidad - ICTA, No Date
AX 59    Trinidad - ICTA, No Date
AX 69    Trinidad - ICTA, No Date
C 96 [TRI]    Trinidad - ICTA, No Date
SI 88 /1    Trinidad - CRU, 2002
SI 88 /4    Trinidad - CRU, 2002
SI 88 /5    Trinidad - CRU, 2002
 Father to:
AX 71    Trinidad - ICTA, No Date
C 96 [TRI]    Trinidad - ICTA, No Date
SI 88 /1    Trinidad - CRU, 2002
SI 88 /4    Trinidad - CRU, 2002
SI 88 /5    Trinidad - CRU, 2002

 HELD IN

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List received in 2018   Reference
• Accession: 21179
   - Local Name: ICS-88
   - Year of Accession: 1996
List received in 1998   Reference
• Local Name: ICS 88
List received in 2011   Reference
• Local Name: ICS 88
List received in 2016   Reference
• Accession: PI 668425     GRIN-Global 
   - Local Name: ICS 88
   - Year of Accession: 1939

 DISEASE

 Phytophthora
Susceptible, sp. P. palmivora (Pod).
 Sreenivasan, T.N., 1993
Susceptible, sp. P. palmivora (Pod).
 Sreenivasan, T.N., 1980

 YIELD

 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 18.3 (pods per kg dried beans)
 Reference

 BEAN

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 Bartley, B.G.D., 1970
Colour Dark Purple: Present
Colour Purple: Present
Size: large
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: elliptical
Number: 36.0
Total Wet Weight: 78.2 g
Cotyledon Dry Weight: 1.52 g
Cotyledon Length: 25.7 mm
Cotyledon Width: 13.3 mm
 Reference
 Palaniappan, S. & Shuhaimi Shamsuddin, 1992
Number: 40.0
Dry Weight: 1.89 g
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 4.80 %
 Reference

 FRUIT

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 Bartley, B.G.D., 1970
Size: large
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: slight
Apex Form: acute
Rugosity: slight
Length: 189.0 mm
Breadth: 90.0 mm
Colour: intense anthocyanin
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa
 Reference
 Palaniappan, S. & Shuhaimi Shamsuddin, 1992
Length: 169.7 mm
Breadth: 88.1 mm
Weight: 616.3 g
Length Breadth Ratio: 1.90
 Reference

 FLUSH

 Frances Bekele & Gillian Bidaisee, 2022
Colour: moderate anthocyanin
 Reference

 FLOWER

 Bartley, B.G.D., 1970
Self Compatibility: self compatible
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Sepal Length: 7.99 mm
Ligule Width: 2.25 mm
Ovule Number: 41
Style Length: 1.85 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.
Trinidad - ICTA (No Date) List of AX Crosses. Unpublished report, Imperial College of Tropical Agriculture, Trinidad. pp 18.
Trinidad - ICTA (No Date) List of C Crosses. Unpublished report, Imperial College of Tropical Agriculture, Trinidad. pp.4.
Trinidad - CRU (2002) ICG,T accessions database, reply to queries regarding names new to ICGD. Dr. David Butler, ICG,T Trinidad. Personal Communication. 12 September 2002.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). 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.
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.
Palaniappan, S. & Shuhaimi Shamsuddin (1992) Early evaluation of some cocoa germplasm at Pusut Perkhidmatan Pertanian Tun Razak. In: Unpublished Proceedings of MCGC Mini-Seminar on the Performance of Imported Cocoa Clones, 13th October, 1992. Kuala Lumpur, Malaysia.