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MO 125    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: river MOrona.
Collected by Pound.
Location: R. Morona, Peru.

Pound, 1938a [POU38A]. Fruit - Short, oval, warty, some types with red tint.

Notes:  Collected in 1937.

Pound, 1938a [POU38A]. Pods may have been collected from one tree with no Witches Broom infection.

Bartley, 1993a [BAR93A]. It is likely that accessions recorded with high numbers (>100?) are probably MOQ accessions since Pound, 1943b [POU43B] states that 80 plants were planted at Marper farm.
 

Synonyms: MORONA 125

'Nacional' Population
Subgroup: 'Morona'   Reference

 HELD IN

List received in 2012   Reference
• Local Name: MO - 125
 Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T)
List received in 2011   Reference
• Local Name: MO 125

Susceptible, sp. P. palmivora (Pod).
Note: Unripe, Unattached and not wounded
 Iwaro, D., 1998

Pod Index: 32.5 (pods per kg dried beans)
 Reference

Colour: purple
Shape: ovate
Number: 41.0
Total Wet Weight: 43.5 g
Cotyledon Dry Weight: 0.75 g
Cotyledon Length: 20.4 mm
Cotyledon Width: 11.0 mm
 Reference

Testa: 6.30 %
 Reference

Shape: obovate
Basal Constriction: moderate
Apex Form: indented
Rugosity: moderate
Length: 133.0 mm
Breadth: 80.0 mm
Colour: anthocyanin absent
Hardness: moderate
Note: Hardness > 1.6 and <= 2.0 Mpa
 Reference

Colour: intermediate anthocyanin
 Reference
Colour: moderate anthocyanin
 Reference

Stamen Colour: moderate anthocyanin
Sepal Colour: slight anthocyanin
Sepal Length: 7.50 mm
Ovary Colour: anthocyanin absent (apical)
Pedicel Colour: moderate anthocyanin
 Reference
Ligule Colour: moderate anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 7.14 mm
Ligule Width: 2.30 mm
Ovule Number: 44
Style Length: 2.54 mm
Pedicel Colour: reddish
 Reference

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.
Motamayor, J.C., Lachenaud, P., da Silva e Mota, J.W., Loor, R., Kuhn, D.N., Brown, J.S. & Schnell, R.J. (2008) Geographic and Genetic Population Differentiation of the Amazonian Chocolate Tree (Theobroma cacao L). PLoS ONE 3(10): e3311. doi:10.1371/journal.pone.0003311
EET - Pichilingue (2012) Accessions planted in EET - Pichilingue, Ecuador. Freddy Amores and Ignacio Sotomayor C, personal communication, February 2012.
CRU (2011) ICG,T accessions. CRU website.
Iwaro, D. (1998) Evalation of accessions for Black Pod. Personal Communication 30th October 1998. Data sent by email from Dr. Iwaro.
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.
Allen, J.B. (1988) Geographical variation and population biology in wild Theobroma cacao. PhD. Thesis, University of Edinburgh, U.K. pp. 197.