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RB 42 [BRA] Group Name Theobroma cacao

Vello, F. & Medeiros, A.G. (1965)
Expedicao botanica a Amazonica brasileira. Cacau Atualidades (Brasil) 2: pp. 47-51.

Derivation: Rio Branco.
Collected by Vello.
Location: Rio Branco, Acre, Brazil.

Bartley, 1995a [BAR95A]. Productivity - high. Flowers - generally have a "thickish" appearance with intensely and brilliantly coloured stamens such that the whole flower appears red. Fruits- small, Amelonado shaped, generally with thick husks. Seeds - small with dark cotyledons.

Notes: Vello & Medeiros, 1965 [VEL65A] 1965 Brazilian-International expedition.

Bartley, 1998a [BAR98A] Rio Branco is the name of several rivers and the name of a town in Acre.

Bartley 1997a, [BAR97A] The original Belem planting of RB clones comprised a mixture of types. This may account for the mixtures of genotypes in the CEPEC and CATIE collections with regard to RB 48 and RB 49. Any material distributed from CATIE should be identified as such to avoid confusion with clones from the primary source, which should be considered to be the correctly identified genotypes.

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COLLECTION DETAILS

Location: R. Branco, Acre, Brazil (primary forest)

Date: 10 July 1965

Coordinates: 67.49 W, 9.59 S

Material collected: Budwood

Notes: Chico Pedro, 9km from R.Branco city

Expedition Code: 65BR

Soria, V.J., 1965

Vello, F. & Medeiros, A.G., 1966

Soria, V.J., 1970

Almeida, C.M.V.C. de et al., 1995

Vello, F. & Medeiros, A.G., 1965

POPULATION

Motamayor, J.C. et al., 2008: 'Purus' Population; Subgroup: 'Acre R' 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

Brazil, Comissao Executiva do Plano da Lavoura Cacaueira (CEPLAC): List received in 1987 Reference

Reference

Almeida, C.M.V.C. de, Barriga, J.P., Machado, P.F.R. & Bartley, B.G.D. 1987
Evolucao do programa de conservacao dos recursos geneticos de cacau na Amazonia Brasileira. CEPLAC/DEPEA, Boletim Tecnico, Belem, Brasil 5: pp.108.
Notes

History of the collections, naming of the accessions, origins of the material, collection and planting dates, propagation methods and number of plants established.; • Accession: 109; - Local Name: RB 42 [BRA]; - Year of Accession: 1966

DISEASE

Witches Broom: Present (Expedition data).; Vello, F. & Medeiros, A.G., 1966

Reference

Vello, F. & Medeiros, A.G. 1966
Expedicao botanica a Amazonia Brasileira. Communicado ao Pessoal Technico No. 20. Co-ordenacao Technica. CEPLAC/CEPEC, Brazil, pp. 13.
Notes

Brazil - Amazon Basin, Field Measurements Datafile: BRAZ__DC BRA - Brazilian Expeditions, Field Data Germplasm: 51 accessions from the Belem, Manaus, Porto Velho, Guajara Mirim, R. Branco, Obidos, Santarem. Environment: No details. Descriptors: Information on fruits, seeds and flowers is given together with notes on apparent productivity and Witches' Broom infection. Copy of collection report in english and spanish.

Disease Yield Bean Fruit Flush Flower

YIELD

Vello, F. & Medeiros, A.G., 1966: Productivity: high; Note: expedition data; Reference

Reference

Vello, F. & Medeiros, A.G. 1966
Expedicao botanica a Amazonia Brasileira. Communicado ao Pessoal Technico No. 20. Co-ordenacao Technica. CEPLAC/CEPEC, Brazil, pp. 13.
Notes

Brazil - Amazon Basin, Field Measurements Datafile: BRAZ__DC BRA - Brazilian Expeditions, Field Data Germplasm: 51 accessions from the Belem, Manaus, Porto Velho, Guajara Mirim, R. Branco, Obidos, Santarem. Environment: No details. Descriptors: Information on fruits, seeds and flowers is given together with notes on apparent productivity and Witches' Broom infection. Copy of collection report in english and spanish.

Disease Yield Bean Fruit Flush Flower

FRUIT

Vello, F. & Medeiros, A.G., 1966: Shape: amelonado; Size: medium; Reference

Reference

Vello, F. & Medeiros, A.G. 1966
Expedicao botanica a Amazonia Brasileira. Communicado ao Pessoal Technico No. 20. Co-ordenacao Technica. CEPLAC/CEPEC, Brazil, pp. 13.
Notes

Brazil - Amazon Basin, Field Measurements Datafile: BRAZ__DC BRA - Brazilian Expeditions, Field Data Germplasm: 51 accessions from the Belem, Manaus, Porto Velho, Guajara Mirim, R. Branco, Obidos, Santarem. Environment: No details. Descriptors: Information on fruits, seeds and flowers is given together with notes on apparent productivity and Witches' Broom infection. Copy of collection report in english and spanish.

Disease Yield Bean Fruit Flush Flower

REFERENCES

Vello, F. & Medeiros, A.G. (1965) Expedicao botanica a Amazonica brasileira. Cacau Atualidades (Brasil) 2: pp. 47-51.

Soria, V.J. (1965) Notes on the cocoas collected by the Brazilian-International expedition to some areas of the Brazilian Amazon Basin. Cacao (Costa Rica) 10: pp. 10-13.

Vello, F. & Medeiros, A.G. (1966) Expedicao botanica a Amazonia Brasileira. Communicado ao Pessoal Technico No. 20. Co-ordenacao Technica. CEPLAC/CEPEC, Brazil, pp. 13.

Soria, V.J. (1970) The latest cocoa expeditions to the Amazon Basin. Cacao (Costa Rica) 15: pp. 5-15.

Almeida, C.M.V.C. de, Machado, P.F.R., de, Barriga, J.P. & Silva, F.C.O. da. (1995) Coleta da cacau (Theobroma cacao) da amazonia brasileira: uma abordagem historica e analitica. CEPLAC, SRAO, Porto Velho, RO., Brasil. pp. 92.

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

Almeida, C.M.V.C. de, Barriga, J.P., Machado, P.F.R. & Bartley, B.G.D. (1987) Evolucao do programa de conservacao dos recursos geneticos de cacau na Amazonia Brasileira. CEPLAC/DEPEA, Boletim Tecnico, Belem, Brasil 5: pp.108.