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CL 10 /27    Theobroma cacao

 Pound, F.J. (1938)
Cacao and Witchbroom Disease of South America with notes on other species of Theobroma. Archives of Cocoa Research 1: pp. 26-71.

Derivation: CLementina farm.
Collected by Pound.
Location: Dept. of Agriculture, Ecuador.

Notes:  Progeny from Hda Clementina, Ecuador planted at Marper Farm, Trinidad in 1939-41.

Pound, 1938a [POU38A]. Selections made from material of Trinidadian origin, originally to replace a planting of "Nacional" type that had failed due to Witches' broom disease. Seven of the eight parent trees (selected by Mr. Schuldt) were of a half blanco, long oval, warty, green pod type and the eighth was a long oval smooth white base type, more than partially pigmented.

Pound, 1943b [POU43B]. Seeds were collected from the following trees: 9,10,13,15,19,22,27,78,91 and Mixed.

Bartley, 1996c [BAR96C]. The "Mixed" tree progeny mentioned above are probably those labelled CLM today.

Bartley, 1995a [BAR95A]. The CL series appear to consist of nine groups of progenies CL 9/.., CL 10/.., CL 13/.., CL 15/.., CL 19/.., CL 22/.., CL 27/.., CL 78/.. and CL 91/.. refered to by Pound (1943b) [POU43B]. There are no other CL 1/ names listed and this therefore suggests a labelling error. Some may be in error for SL.

Synonyms: CL 1027


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Current List   ICQC,R Website
• Accession: RUQ 1597     ICQC,R 
   - Local Name: CL 10/27
   - Year of Accession: 2006
List received in 2018   Reference
• Accession: 22127
   - Local Name: CL-10/27
   - Year of Accession: 2010
List received in 2011   Reference
• Local Name: CL 10/27


 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 24.8 (pods per kg dried beans)


 Frances Bekele & Gillian Bidaisee, 2022
Colour: dark purple
Shape: oblong
Number: 37.0
Total Wet Weight: 59.6 g
Cotyledon Dry Weight: 1.09 g
Cotyledon Length: 22.9 mm
Cotyledon Width: 12.5 mm


 Frances Bekele & Gillian Bidaisee, 2022
Testa: 5.30 %


 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: slight
Apex Form: acute
Rugosity: slight
Length: 153.0 mm
Breadth: 82.0 mm
Colour: slight anthocyanin
Hardness: hard
Note: Hardness > 2.0 Mpa


 Fiona Lahive, 2017
Accession: RUQ 1597
Light Saturated Photosynthetic Rate: 5.14 μmol m2 s-1
Stomatal Conductance: 0.09 mol m2 s-1
Transpiration Rate: 1.34 mmol m2 s-1
Intrinsic Water Use Efficiency: 54.45 μmol mol-1
Instantaneous Water Use Efficiency: 3.64 mmol mol-1
Flush Size: 6
Leaf Area: 348.40 cm2
Leaf Dry Weight: 2.45 g
Specific Leaf Area: 143.10 cm2 g-1


 Frances Bekele & Gillian Bidaisee, 2022
Colour: slight anthocyanin


 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: moderate anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 9.41 mm
Ligule Width: 2.46 mm
Ovule Number: 36
Style Length: 2.24 mm
Pedicel Colour: red

Pound, F.J. (1938) Cacao and Witchbroom Disease of South America with notes on other species of Theobroma. Archives of Cocoa Research 1: pp. 26-71.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
CRU (2011) ICG,T accessions. CRU website.
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.
Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.