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B 9 /10-25 [POU]    Theobroma cacao

 Pound, F.J. (1943)
First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.

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

Notes:  Progeny from Hda. Balao, Ecuador planted in Trinidad 1939-41.

10/09/96 Previously recorded in the ICGD and elsewhere that B stood from Bolivar but this was found to be incorrect when Pound's 1943 report was re-discovered.

Pound, 1943b [POU43B]. Progeny were obtained from the following trees or combinations of trees: 1+2, 3,4,5,6,7,8,9+10,11,12,13, 14,15,16,17,18,20,21,22 and 23.


 

Synonyms: BALAO 9 /10-25 [POU]

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 United Kingdom, International Cocoa Quarantine Centre, Reading (ICQC,R)
Current List   ICQC,R Website
• Accession: RUQ 1527     ICQC,R 
   - Local Name: B 9/10-25 [POU]
   - Year of Accession: 2004
List received in 2018   Reference
• Accession: 22121
   - Local Name: B-9/10-25 [POU]
   - Year of Accession: 2010
List received in 2011   Reference
• Local Name: B 9/10-25 [POU]

Pod Index: 19.8 (pods per kg dried beans)
 Reference

Colour: purple
Shape: oblong
Number: 46.0
Total Wet Weight: 69.2 g
Cotyledon Dry Weight: 1.10 g
Cotyledon Length: 23.5 mm
Cotyledon Width: 11.6 mm
 Reference

Testa: 6.30 %
 Reference
Butterfat Content: 54.40 %
Testa: 6.35 %
 Reference

Shape: elliptical
Basal Constriction: moderate
Apex Form: indented
Rugosity: moderate
Length: 186.0 mm
Breadth: 90.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference

Accession: RUQ 1527
Light Saturated Photosynthetic Rate: 4.09 μmol m2 s-1
Stomatal Conductance: 0.06 mol m2 s-1
Transpiration Rate: 1.12 mmol m2 s-1
Intrinsic Water Use Efficiency: 68.03 μmol mol-1
Instantaneous Water Use Efficiency: 3.64 mmol mol-1
Flush Size: 3
Leaf Area: 183.60 cm2
Leaf Dry Weight: 1.09 g
Specific Leaf Area: 172.10 cm2 g-1
 Reference

Colour: slight anthocyanin
 Reference

Ligule Colour: slight anthocyanin
Stamen Colour: slight anthocyanin
Sepal Length: 9.06 mm
Ligule Width: 2.48 mm
Ovule Number: 44
Style Length: 2.78 mm
Pedicel Colour: red
 Reference

Pound, F.J. (1943) First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.
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.
Trinidad - CRU (1998) Fat Analysis Data. Data supplied on computer diskette by F. Bekele, CRU, Trinidad.
Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.