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U 26 [PER] Group Name Theobroma cacao

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. (1996)
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.

Derivation: river Ucayali.
Location: R. Ucayali, Peru.

Notes: Arevalo et al, 1996 [ARE96A] The U [PER] (Ucayali) clones originated from abandoned fields in the Ucayali (U 1 [PER] to U 52 [PER]) and the Urubamba (U 53 [PER] to U 70 [PER]) river valleys which were under high disease pressure from Witches' Broom. Between the 28th November and 4th December 1987 the clones U 1 [PER] to U 11 [PER] from along the valley of the Ucayali and its tributaries: Contamana, San Carlos, Pampa Hermosa, Ucayali, Cushabatay and Lago Chiatipiishca. Clones U 12 [PER] to U 33 [PER] were collected from Contamana, Pampa Hermosa, Orellana, Juancito, Nueva Berlin, Tamanco, Pueblo Libre, Requena, Ucayali, Tapicho and Inahuaya. In June 1988 clones U 34 [PER] to U 52 [PER] were collected from Pucallpa, Contamana, Pampa Hermosa, Roaboya, Masisea, Puerto Inca, Puerto Sol, Ucayali, Pisque, Pachitea and Cushabetay. At the same time another group of clones (U 53 [PER] to U 70 [PER]) were collected from the Urubamba valley: Maranura, Quillabamba, Echarate, Suhuayacu, San Agustin, Quellouno, Chanchamayo, Limoniyoc, Ciriaco, Liteni, Korebeni, Santoato. On another expedition to the Urubamba - Sahayacu in January 1989 the clones U 71 [PER] to U 99 [PER] were collected for high productivity.

SNP/SSR

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Synonyms: UCAYALI 26 [PER]

POPULATION

Motamayor, J.C. et al., 2008: 'Nacional' Population; Reference

Reference

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
Population SSR

HELD IN

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Costa Rica, Centro Agronómico Tropical de Investigación y Enseñanza (CATIE): List received in 2018 Reference

Reference

Allan Mata 2018
Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
Notes

Excel file received by email.; • Accession: 22333; - Local Name: U-26 [PER]; - Year of Accession: 2015
Peru, Universidad Nacional Agraria de la Selva (UNAS): List received in 2009 Reference

Reference

Luis F. García Carrión 2009
Catalogo de Cultivares de Cacao del Peru.; • Local Name: U - 26
United States of America, USDA-TARS: List received in 2016 Reference

Reference

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.
Notes

Original link: https://npgsweb.ars-grin.gov/gringlobal/view2.aspx?dv=web_site_taxon_accessionlist¶ms=:taxonomyid=101885;:siteid=7 (not working)

npgsweb.ars-grin.gov/gringlobal/...; • Accession: PI 668496 GRIN-Global; - Local Name: U 26; - Year of Accession: 2007
United States of America, USDA-SHRS: List received in 2010 Reference

Reference

USDA-ARS, SHRS, NCGR, National Germplasm Repository, Miami, Florida, USA. 2010
List of cocoa accessions held at Miami and Coconut Grove (Plant Introduction Station) in July, 2010. USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN). [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.
Notes

Website visited 8th July 2010.

Link Unavailable [http://www.ars-grin.gov/cgi-bin/npgs/html/tax_site_acc.pl?MAY%20Theobroma%20cacao]; • Accession: MIA 36206 GRIN-Global; - Local Name: U 26; - Year of Accession: 2004

DISEASE

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Ceratocystis: Absent (Trunk and Branches (Field Reaction)).; Arevalo, E. et al., 1996

Reference

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. 1996
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.
Notes

Peru - Rivers Ucayali and Huallaga field notes Datafile: PERU__DS PER - Ucayali - Huallaga clones. Germplasm: 76 HUALLAGA and U [PER] clones types from the Ucayali and Huallaga river basins. Environment: No details. Descriptors: Information on incidence of disease (Moniliophthora rorei, Crinipellis perniciosa, Phytophthora palmivora, Ceratocystis fimbriata) and pod index is given.

Disease Yield
Frosty Pod Rot: Present (Pod (Field Reaction)).; Arevalo, E. et al., 1996

Reference

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. 1996
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.
Notes

Peru - Rivers Ucayali and Huallaga field notes Datafile: PERU__DS PER - Ucayali - Huallaga clones. Germplasm: 76 HUALLAGA and U [PER] clones types from the Ucayali and Huallaga river basins. Environment: No details. Descriptors: Information on incidence of disease (Moniliophthora rorei, Crinipellis perniciosa, Phytophthora palmivora, Ceratocystis fimbriata) and pod index is given.

Disease Yield
Phytophthora: Present (Pod (Field Reaction)).; Arevalo, E. et al., 1996

Reference

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. 1996
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.
Notes

Peru - Rivers Ucayali and Huallaga field notes Datafile: PERU__DS PER - Ucayali - Huallaga clones. Germplasm: 76 HUALLAGA and U [PER] clones types from the Ucayali and Huallaga river basins. Environment: No details. Descriptors: Information on incidence of disease (Moniliophthora rorei, Crinipellis perniciosa, Phytophthora palmivora, Ceratocystis fimbriata) and pod index is given.

Disease Yield
Witches Broom: Present (Pod (Field Reaction)).; Arevalo, E. et al., 1996

Reference

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. 1996
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.
Notes

Peru - Rivers Ucayali and Huallaga field notes Datafile: PERU__DS PER - Ucayali - Huallaga clones. Germplasm: 76 HUALLAGA and U [PER] clones types from the Ucayali and Huallaga river basins. Environment: No details. Descriptors: Information on incidence of disease (Moniliophthora rorei, Crinipellis perniciosa, Phytophthora palmivora, Ceratocystis fimbriata) and pod index is given.

Disease Yield; Present (Shoot (Field Reaction)).; Arevalo, E. et al., 1996

Reference

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. 1996
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.
Notes

Peru - Rivers Ucayali and Huallaga field notes Datafile: PERU__DS PER - Ucayali - Huallaga clones. Germplasm: 76 HUALLAGA and U [PER] clones types from the Ucayali and Huallaga river basins. Environment: No details. Descriptors: Information on incidence of disease (Moniliophthora rorei, Crinipellis perniciosa, Phytophthora palmivora, Ceratocystis fimbriata) and pod index is given.

Disease Yield

YIELD

Arevalo, E. et al., 1996: Pod Index: 17.0 (pods per kg dried beans); Reference

Reference

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. 1996
Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.
Notes

Peru - Rivers Ucayali and Huallaga field notes Datafile: PERU__DS PER - Ucayali - Huallaga clones. Germplasm: 76 HUALLAGA and U [PER] clones types from the Ucayali and Huallaga river basins. Environment: No details. Descriptors: Information on incidence of disease (Moniliophthora rorei, Crinipellis perniciosa, Phytophthora palmivora, Ceratocystis fimbriata) and pod index is given.

Disease Yield
Arevelo, E. et al., 1999: Seed Index: 71.4 (dried beans per 100g); Pod Index: 18.0 (pods per kg dried beans); Reference

Reference

Arevelo, E., Zuniga, L.., Adriazola, J., Garcia, L., Cabezas, O., Hart, A. & Rios, J. 1999
Clones Ucayali-Urubamba. Data file in Excel format sent to the ICGD by Enrique Arevalo, 17 December 1999.
Notes

Peru - Rivers Ucayali and Urubama field notes Datafile: URUUCADS PER - Urubamba-Ucayali clones. Data file sent from Peru. Germplasm: 48 types from the Ucayali - Urubama river basins. Environment: No details. Descriptors: Information on seed number, fat percentage, pod index and self-incompatiblity is given.

Yield Bean Butterfat Flower

BEAN

Arevelo, E. et al., 1999: Number: 40.0; Dry Weight: 1.40 g; Reference

Reference

Arevelo, E., Zuniga, L.., Adriazola, J., Garcia, L., Cabezas, O., Hart, A. & Rios, J. 1999
Clones Ucayali-Urubamba. Data file in Excel format sent to the ICGD by Enrique Arevalo, 17 December 1999.
Notes

Peru - Rivers Ucayali and Urubama field notes Datafile: URUUCADS PER - Urubamba-Ucayali clones. Data file sent from Peru. Germplasm: 48 types from the Ucayali - Urubama river basins. Environment: No details. Descriptors: Information on seed number, fat percentage, pod index and self-incompatiblity is given.

Yield Bean Butterfat Flower

BUTTERFAT

Arevelo, E. et al., 1999: Butterfat Content: 59.00 %; Reference

Reference

Arevelo, E., Zuniga, L.., Adriazola, J., Garcia, L., Cabezas, O., Hart, A. & Rios, J. 1999
Clones Ucayali-Urubamba. Data file in Excel format sent to the ICGD by Enrique Arevalo, 17 December 1999.
Notes

Peru - Rivers Ucayali and Urubama field notes Datafile: URUUCADS PER - Urubamba-Ucayali clones. Data file sent from Peru. Germplasm: 48 types from the Ucayali - Urubama river basins. Environment: No details. Descriptors: Information on seed number, fat percentage, pod index and self-incompatiblity is given.

Yield Bean Butterfat Flower

FLOWER

Arevelo, E. et al., 1999: Ovule Number: 45; Self Compatibility: self incompatible; Reference

Reference

Arevelo, E., Zuniga, L.., Adriazola, J., Garcia, L., Cabezas, O., Hart, A. & Rios, J. 1999
Clones Ucayali-Urubamba. Data file in Excel format sent to the ICGD by Enrique Arevalo, 17 December 1999.
Notes

Peru - Rivers Ucayali and Urubama field notes Datafile: URUUCADS PER - Urubamba-Ucayali clones. Data file sent from Peru. Germplasm: 48 types from the Ucayali - Urubama river basins. Environment: No details. Descriptors: Information on seed number, fat percentage, pod index and self-incompatiblity is given.

Yield Bean Butterfat Flower

REFERENCES

Arevalo, E., Garcia, L., Krauss, U., Rios, R., Zuniga, L. & Adriazola, J. (1996) Mejoramiento genetico para el control de enfermedadaes del cacao en el Peru. Proceedings of the International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement, INGENIC, Salvador, 24th-26th September, 1996. pp.127-133.

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

Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.

Luis F. García Carrión (2009) Catalogo de Cultivares de Cacao del Peru.

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.

USDA-ARS, SHRS, NCGR, National Germplasm Repository, Miami, Florida, USA. (2010) List of cocoa accessions held at Miami and Coconut Grove (Plant Introduction Station) in July, 2010. USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN). [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.

Arevelo, E., Zuniga, L.., Adriazola, J., Garcia, L., Cabezas, O., Hart, A. & Rios, J. (1999) Clones Ucayali-Urubamba. Data file in Excel format sent to the ICGD by Enrique Arevalo, 17 December 1999.