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PA 51 [PER]    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: PArinari.
Collected by Pound.
Location: Parinari, Peru.

Pound, 1938a: [POU38A] type 1 - long, generally warty pods with a pronounced bottleneck and a conspicuous point, type 2 - lack the pronounced bottleneck, type 3 - pods shorter and lack both the pronounced bottle neck and point, type 4 - smooth lagarta, ie with bottle neck and point but with shallow furrows and a smooth shell, type 5 - as type 1 but with very small beans, type 6 - short, 10 ridged oval, warty pods, sometimes with red tint. Posnette, 1945A [POS45A]. Parinari type has long petioles (2-3 cm) with pulvini separated by a long, deep constriction even when young. The stamen filaments are not pigmented.

Notes:  Selections from the region around Parinari.

Pound, 1938a [POU38A]. Pods probably collected from some 20 trees free of Witches' Broom in a population of type 1,2,3, and 4. Further collections may have made around Porvenir (between the Boca del Huallaga and Boca del Pastaza) from types 5 and 6.

Pound, 1943b [POU43B]. 277 plants were planted at Marper farm.

Bartley, 1998a [BAR98A] Parinari means tree and it is the name of a place on the River Amazon (Maranon) in Peru. However it is believed to refer to a region rather than a specific place. Types 5 and 6 were collected from along the whole stretch of the Maranon River.
 

Synonyms: PARINARI 51 [PER]

Location: Rio Maranon, Parinari, Loreto, Peru
Coordinates: 74.60 W, 4.60 S
   Marita, J. M. et al., 2001

'Maranon' Population
Subgroup: 'Parinari IV'   Reference

 GENOME/TRANSCRIPTOME DATA LINKS

 Cornejo, O.E. et al., 2018
 Reference
BioProject: PRJNA486011   NCBI   ENA FASTQ 
Project: PRJEB28591   EVA (project)   EVA (analysis) 
Library Source: Genomic
 
Run: SRR7774238   NCBI   ENA FASTQ 
Experiment: SRX4629586
BioSample: SAMN09934522
SampleName: PA_51
SampleSource: Miami, Tree_ID: Tc00686

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List received in 2012   Reference
• Accession: 542
   - Local Name: PA 51
   - Year of Accession: 1982
List received in 2018   Reference
• Accession: 21195
   - Local Name: PA-51
   - Year of Accession: 1996
List received in 1989   Reference
• Local Name: PA 51 [PER]
   - Year of Accession: 1962
List received in 2012   Reference
• Local Name: PA51
   - Year of Accession: 1974
List received in 2008   Reference
• Accession: IDN-13-TCAC-00530
   - Local Name: PA51
List received in 2008   Reference
• Local Name: Pa 51
List received in 1990   Reference
• Local Name: PA 51 [PER]
List received in 1994   Reference
• Local Name: PA 51 [PER]
   - Year of Accession: 1968
List received in 2011   Reference
• Local Name: PA 51 [PER]
List received in 2016   Reference
• Accession: PI 668435     GRIN-Global 
   - Local Name: PA 51 [PER]
   - Year of Accession: 1983

Resistant, sp. P. palmivora
Note: Artificial reaction to black pod (Paper Disc Method). Rated as Highly Resistant
 Wilbert Phillips et al., 2009

Pod Index: 30.3 (pods per kg dried beans)
 Reference

Colour: purple
Shape: ovate
Number: 34.0
Total Wet Weight: 44.2 g
Cotyledon Dry Weight: 0.97 g
Cotyledon Length: 21.2 mm
Cotyledon Width: 12.1 mm
 Reference

Testa: 6.20 %
 Reference

Shape: elliptical
Basal Constriction: moderate
Apex Form: acute
Rugosity: moderate
Length: 177.0 mm
Breadth: 75.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference

Colour: anthocyanin absent
 Reference

Ligule Colour: slight anthocyanin
Stamen Colour: moderate anthocyanin
Sepal Length: 6.80 mm
Ligule Width: 2.44 mm
Ovule Number: 40
Style Length: 2.34 mm
Pedicel Colour: reddish
 Reference
Self Compatibility: self incompatible
 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.
Marita, J. M., Nienhuis, J., Pires, J. L. & Aitken, W. M. (2001) Analysis of Genetic Diversity in Theobroma cacao with Emphasis on Witches’ Broom Disease Resistance. Crop Sci. 41:1305–1316.
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
Cornejo, O.E., Muh-Ching Yee, Victor Dominguez, Mary Andrews, Alexandra Sockell, Erika Strandberg, Donald Livingstone III, Conrad Stack, Alberto Romero, Pathmanathan Umaharan, Stefan Royaert, Nilesh R. Tawari, Pauline Ng, Osman Gutierrez, Wilbert Phillips, Keithanne Mockaitis, Carlos D. Bustamante & Juan C. Motamayor (2018) Population genomic analyses of the chocolate tree, Theobroma cacao L., provide insights into its domestication process. Commun Biol 1, 167
CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Cote d'Ivoire - IRCC (1989) Liste des clones en collection. Unpublished Report, IRCC Bingerville, Cote d'Ivoire, Doc. No. 192. D. Clement, IRCC, Cote d'Ivoire. Personal Communication.
CRIG (2012) Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG). Francis Kwame Padi, personal communication, February 2012.
Susilo, A. (2008) The list of germplasm collected by ICCRI. Personal communication from Agung Susilo, July 2008.
Haeser, E. (2008) Accession list for Bah Lias Research Station, PT.PP. London Sumatra, Indonesia. Personal communication, March 2010.
Malaysia - ARC Tuaran (1990) List of clones held in the Dept. of Agriculture's collection, at Sabah, Tuaran, Malaysia. E.B. Tay, Malaysian Cocoa Board, Malaysia. Personal Communication.
Nigeria - CRIN (1994) CRIN Cocoa germplasm. S.A. Olatoye, CRIN, Nigeria. Personal Communication.
CRU (2011) ICG,T accessions. CRU website.
USDA, ARS Tropical Agriculture Research Station, Mayaguez, Puerto Rico. (2016) List of cocoa accessions held at Mayaguez in April 2016. USDA-ARS GRIN-Global. [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
Wilbert Phillips, José Castillo, Adriana Arciniegas, Allan Mata, Aldo Sánchez, Mariela Leandro, Carlos Astorga, Juan Motamayor, Bill Guyton, Ed Seguine & Ray Schnell (2009) Overcoming the Main Limiting Factors of Cacao Production in Central America through the use of Improved Clones Developed at CATIE. In: Proceedings of the 16th International Cocoa Research Conference, Bali, Indonesia (November 2009). Cocoa Producers' Alliance, Lagos, Nigeria.
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.
Yamada, M.M., Bartley, B.G.D., Lopes, U.V. & Pinto, L.R.M. (1996) Heranca do fator compatibilidade em Theobroma cacao L. II. Relacoes fenotipicas em genotipos adicionais grupo Parinari (PA). Agrotropica 8 (2): 51-52.