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UF 4    Theobroma cacao

 Bartley, B.G.D. (1995)
Notes on the meaning and origins of clone names. B.G.D Bartley. Personal Communications.

Derivation: United Fruit selections.
Collected by UF company.
Location: Limon, Almirante, Costa Rica.

Notes:  Selections from the Atlantic coast made in the 1930's.

Bartley, 1998a [BAR98A] The UF series were selected from MATINA material and from material from Ecuador (pers. comm. Soria).
 

Synonyms: UFC 4, UFCO 4

 HELD IN

List received in 2018   Reference
• Accession: 10532
   - Local Name: UF-4
   - Year of Accession: 1952
 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: UF 4
   - Year of Accession: 1994

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Susceptible, 98.00 % Infection
Note: External Severety = 2.5 and Internal Severety = 4.6
 Phillips, W., 1997
Susceptible, 98.00 % Infection
Note: External Severety = 2.5 and Internal Severety = 4.6
 Phillips, W., 1996
Moderate Resistance, sp. P. palmivora (Pod).
Note: Unripe, Attached and not wounded
 Morera, J., 1993
Susceptible, sp. P. palmivora (Pod).
 Phillips, W., 1997

Pod Index: 23.7 (pods per kg dried beans)
 Reference
Seed Index: 84.0 (dried beans per 100g)
Productivity: high
 Reference

Colour: purple
Shape: elliptical
Number: 41.0
Total Wet Weight: 64.7 g
Cotyledon Dry Weight: 1.03 g
Cotyledon Length: 22.0 mm
Cotyledon Width: 12.1 mm
 Reference
Colour Dark Purple: Absent
Colour Light Purple: Present
Colour Grey: Absent
Colour White: Absent
Colour Mottled: Absent
Number: 37.2
Maximum Number: 50
Cotyledon Wet Weight: 2.19 g
Cotyledon Dry Weight: 1.19 g
Cotyledon Length: 24.9 mm
Cotyledon Width: 13.3 mm
Cotyledon Thickness: 9.2 mm
 Reference

Testa: 5.10 %
 Reference

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Shape: elliptical
Basal Constriction: strong
Apex Form: obtuse
Rugosity: intense
Length: 164.0 mm
Breadth: 83.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference
Basal Constriction: very slight
Apex Form: slightly acute
Rugosity: moderate
Husk Thickness: 12.5 mm (15.6 - 9.4)
Length: 164.0 mm
Breadth: 88.0 mm
Colour: absent anthocyanin
Weight: 549.0 g
Pods Per Tree: 7
Hardness: soft
Length Breadth Ratio: 1.86
Note: ratio of distances between ridges within a pair and between ridges of two different pairs = 0.78
 Reference
Shape: amelonado
Colour: green
 Reference

Colour: slight anthocyanin
 Reference
Colour: brownish red
 Reference

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Ligule Colour: slight anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 8.89 mm
Ligule Width: 2.69 mm
Ovule Number: 46
Style Length: 2.47 mm
Pedicel Colour: red
 Reference
Ligule Colour: slight anthocyanin (apical)
Stamen Colour: anthocyanin absent
Sepal Colour: dull yellow
Sepal Width: 2.30 mm
Sepal Length: 8.40 mm
Ligule Length: 6.90 mm
Ligule Width: 2.50 mm
Ovary Colour: anthocyanin absent (apical)
Ovary Width: 1.00 mm
Ovary Length: 1.20 mm
Style Length: 2.40 mm
Staminode Length: 6.30 mm
Pedicel Colour: pale red
Self Compatibility: self incompatible
Note: Translation of Methuen colour codes.
 Reference
Self Compatibility: self incompatible
 Reference

Bartley, B.G.D. (1995) Notes on the meaning and origins of clone names. B.G.D Bartley. Personal Communications.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
CRU (2011) ICG,T accessions. CRU website.
Phillips, W. (1997) Results of the artificial inoculation of Moniliophthora rorei using the Aspersion method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
Phillips, W. (1996) Cocoa cultivar reaction when innoculated with Moniliophthora roreri. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication
Morera, J. (1993) Reaction of clones to Phytophthora palmivora. J. Morera, CATIE, Costa Rica. Personal Communication.
Phillips, W. (1997) Results of the artificial inoculation of Phytophthora palmivora using the Paper Disc method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. 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.
Costa Rica - CATIE (1981) Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.
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.