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PA 173 [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 173 [PER]

 PEDIGREE DETAILS

 Mother to:
QH 441    Lee, M.T. et al., 1993

 POPULATION

 Motamayor, J.C. et al., 2008
'Maranon' Population
Subgroup: 'Parinari IV'   Reference

 HELD IN

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List received in 2012   Reference
• Accession: 1266
   - Local Name: PA 173
List received in 2012   Reference
• Local Name: PA-173/T3
List received in 1990   Reference
• Local Name: PA 173 [PER]
List received in 1994   Reference
• Local Name: PA 173 [PER]
   - Year of Accession: 1968
List received in 2011   Reference
• Local Name: PA 173 [PER]

 DISEASE

 Vascular Streak Dieback
8.25 % Infection
Note: 20 plants sampled..
 Subali, S., 1992
58.67 % Infection
Note: 15 plants sampled..
 Subali, S., 1992

 YIELD

 Malaysia - Applied Agriculture, 1992
Seed Index: 109.8 (dried beans per 100g)
Pod Index: 31.8 (pods per kg dried beans)
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 27.5 (pods per kg dried beans)
 Reference

 BEAN

 Malaysia - Applied Agriculture, 1992
Number: 34.5
Dry Weight: 0.91 g
 Reference
 Frances Bekele & Gillian Bidaisee, 2022
Colour: dark purple
Shape: elliptical
Number: 33.0
Total Wet Weight: 50.6 g
Cotyledon Dry Weight: 1.10 g
Cotyledon Length: 22.2 mm
Cotyledon Width: 12.8 mm
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 4.90 %
 Reference
 Trinidad - CRU, 1998
Butterfat Content: 56.34 %
Testa: 6.20 %
 Reference

 FRUIT

 Frances Bekele & Gillian Bidaisee, 2022
Shape: elliptical
Basal Constriction: strong
Apex Form: acute
Rugosity: slight
Length: 154.0 mm
Breadth: 75.0 mm
Colour: anthocyanin absent
Hardness: hard
Note: Hardness > 2.0 Mpa
 Reference

 FLUSH

 Frances Bekele & Gillian Bidaisee, 2022
Colour: slight anthocyanin
 Reference

 FLOWER

 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: anthocyanin absent
Stamen Colour: anthocyanin absent
Sepal Length: 6.28 mm
Ligule Width: 2.48 mm
Ovule Number: 38
Style Length: 2.04 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.
Lee, M.T., Tay, E.B., Lamin, K. & Saedi, M. (1993) Catalogue of locally collected clones in Malaysia. Catalogue compiled by the Malaysian Cocoa Board, Sabah, Malaysia.
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
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.
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.
Subali, S. (1992) MARDI's results on performance of imported primary cocoa clones. In: Unpublished Proceedings of MCGC Mini-Seminar on the Performance of Imported Cocoa Clones, 13th October, 1992. Kuala Lumpur, Malaysia.
Malaysia - Applied Agriculture (1992) Data from Applied Agriculture Research Unit (AARU). In: Unpublished Proceedings of MCGC Mini-Seminar on the Performance of Imported Cocoa Clones, 13th October 1992, Kuala Lumpur, Malaysia: pp. 4.
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.