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LV 20 [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 Unpublished report, Ministry of Agriculture, Trinidad.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: Large Vuelta.
Collected by Pound.
Location: Limoncillo, Ecuador.

Notes:  Seedlings from selected trees, established at Marper farm, Trinidad.

10/09/96 Previously recorded in the ICGD and elsewhere that LV stood for Limoncillo. However, Pound 1943b [POU43B] indicates that it stands for Large Vuelta.


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Current List   ICQC,R Website
• Accession: RUQ 354     ICQC,R 
   - Local Name: LV 20 [POU]
   - Year of Accession: 1993
List received in 2012   Reference
• Accession: 1077
   - Local Name: LV 20
List received in 2012   Reference
• Local Name: LV-20
List received in 2018   Reference
• Accession: 22188
   - Local Name: LV-20
   - Year of Accession: 2010
List received in 2008   Reference
• Accession: VTLC 170
   - Local Name: LV-20
List received in 2011   Reference
• Local Name: LV 20 [POU]


Moderate Resistance, sp. P. palmivora (Pod).
Note: Score: 3 (1-8 Scale). Fully grown, unripe detached pods (4-5 months old).
 A.D. Iwaro et al., 2006


 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 31.7 (pods per kg dried beans)


 Frances Bekele & Gillian Bidaisee, 2022
Colour: purple
Shape: ovate
Number: 39.0
Total Wet Weight: 49.3 g
Cotyledon Dry Weight: 0.81 g
Cotyledon Length: 22.3 mm
Cotyledon Width: 12.3 mm


 Frances Bekele & Gillian Bidaisee, 2022
Testa: 8.00 %


 Frances Bekele & Gillian Bidaisee, 2022
Shape: obovate
Basal Constriction: moderate
Apex Form: indented
Rugosity: slight
Length: 143.0 mm
Breadth: 78.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa


 Lewis, Caleb et al., 2018
Tissue: bean
Mean Cadmium Content: 0.50 %
Accumulation: low


 Frances Bekele & Gillian Bidaisee, 2022
Colour: moderate anthocyanin


 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: moderate anthocyanin
Stamen Colour: intense anthocyanin
Sepal Length: 8.35 mm
Ligule Width: 2.50 mm
Ovule Number: 41
Style Length: 2.69 mm
Pedicel Colour: red

Pound, F.J. (1943) First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
CPCRI (2008) Cocoa germplasm maintained at the Central Plantation Crops Research Institute (CPCRI) Regional Station, Vittal, India. Data supplied to ICGD by email. D. Balasimha, CPCRI Vittal, India, July 2008.
CRU (2011) ICG,T accessions. CRU website.
A.D. Iwaro, D.R. Butler & A.B. Eskes (2006) Sources of resistance to Phytophthora pod rot at the International Cocoa Genebank, Trinidad. Genetic Resources and Crop Evolution (2006) 53: 99–109
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.
Lewis, Caleb, Adrian M. Lennon, Gaius Eudoxie & Pathmanathan Umaharan (2018) Genetic variation in bioaccumulation and partitioning of cadmium in Theobroma cacao L. Science of the Total Environment 640–641, 696–703