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CEPEC 84 Group Name Theobroma cacao

Vello, F., Garcia, J.R. & Magalhaes, W.S. (1974)
Producao e selecao de cacaueiros hibridos na Bahia. Proceedings of the 4th International Cocoa Conference, 1972, St. Augustine, Trinidad. Cocoa Research Unit, Trinidad. pp. 38-56.

Derivation: CEntro do PEsquisas do Cacau.
Location: CEPEC, Itabuna, Brazil.

Notes: Vello et al., 1974 [VEL74A] CEPEC 1 and 10 are CATONGO selections. CEPEC 2 to CEPEC 9 are descendants of Criollo introductions from Ceylon in 1911. CEPEC 11 to CEPEC 18 are selections from named varieties in Bahia. CEPEC 19 and upwards are selections from experiments in the CEPEC programme. CEPEC 89 to CEPEC 94 are selections from progenies, some Amazonian types and hybrids. Also selections from local Bahia populations and from experiments.

Bartley, 1997b [BAR97B] CEPEC 501 and upwards identify plants in the original clone collection of CEPEC which were dubiously identifed / mislabelled / mixed up. CEPEC 1000 and upwards are seedling progenies not clones. CEPEC 1008 - 1011 are progenies from selections with only white cotyledons.

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PEDIGREE DETAILS

Parents:: TSA 644 x SIC 19 Brazil - CEPEC, 1987

Reference

Brazil - CEPEC 1987
List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.
Notes

Brazil - CEPEC, Itabuna, Bahia Datafile: CEPEC_DS BRA - CEPEC 1 PROGENY_ Germplasm: 564 accessions mainly of Brazilian origin. Environment: No details. Descriptors: Information on compatability pod characteristics and type of cocoa is given.

Bean Fruit Flower

HELD IN

Brazil, Comissão Executiva do Plano da Lavoura Cacaueira/Centro de Pesquisas do Cacau (CEPLAC/CEPEC): List received in 2012 Reference

Reference

CEPEC 2012
Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.; • Accession: 498; - Local Name: CEPEC 84; - Year of Accession: 1984

DISEASE

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Witches Broom: Intermediate (Seedling).; Luz, E.D.M.N. & Silva, S.D.V.M., 1997

Reference

Luz, E.D.M.N. & Silva, S.D.V.M. 1997
Evaluating resistance/tolerance to Witches' Broom disease in Bahia, Brazil. Final Report to ACRI. CEPLAC/CEPEC, February, 1997. pp. 56. Data supplied to ICGD by Luz & Silva.
Notes

Brazil - CEPEC, Bahia Datafile: DIS_WBDS - Disease reaction to Witches' Broom Experimental Conditions: Basidiospores were obtained from basidiocarps produced on brooms from Camacan, BA, Brazil, the source area of all inoculum used to screen germplasm. Brooms were hung inside "broom chambers" (vassoureiros) and kept in an 8 hr wet/16 hr dry environment as described by Suarez-Capello (1977) and Rocha and Wheeler (1985). Basidiospores were collected in a 16 percent glycerol solution and stored in liquid nitrogen as described by Frias et al (1995) prior to the inoculation tests. Basidiospore germination tests were performed spraying water-agar plates with the basidiospore suspension kept in liquid nitrogen the day before and immediately after the inoculation. The number of germinated basidiospores were recorded after 24 hr and the inoculum concentration adjusted to the number of viable basidiospores. Suspensions with spore germination of less than 75 percent were not used. At least 112 seedlings, divided in 4 replications of 28 seedlings each, of each of the 176 families obtained from open pollinated seeds planted in tubes with sterilized soil were inoculated when presenting a new flush with at least one leaf 1.5 cm long. 1 ml of a suspension of 75,000 basidiospores of C. pernisiosa/ml were sprayed by the automated inoculation system (Frias at al 1995). Plants were then kept in an incubation chamber for 24 hr at 24 degrees centigrade with 100 percent relative humidity. Individual plant responses were recorded 60 days after inoculation. In all inoculation tests performed SCA 6 and SCA 12 were included as standard resistant progenies and CATONGO as a standard susceptible progeny. Disease - Crinipellis perniciosa (Marasmius perniciosa) (local names: Witches' Broom Disease, Escoba de bruja, Balai de sorciere, Vassoura de bruxa).

Disease; Resistant (Field Reaction).; Luz, E.D.M.N. & Silva, S.D.V.M., 1997

Reference

Luz, E.D.M.N. & Silva, S.D.V.M. 1997
Evaluating resistance/tolerance to Witches' Broom disease in Bahia, Brazil. Final Report to ACRI. CEPLAC/CEPEC, February, 1997. pp. 56. Data supplied to ICGD by Luz & Silva.
Notes

Brazil - CEPEC, Bahia Datafile: DIS_WBDS - Disease reaction to Witches' Broom Experimental Conditions: Basidiospores were obtained from basidiocarps produced on brooms from Camacan, BA, Brazil, the source area of all inoculum used to screen germplasm. Brooms were hung inside "broom chambers" (vassoureiros) and kept in an 8 hr wet/16 hr dry environment as described by Suarez-Capello (1977) and Rocha and Wheeler (1985). Basidiospores were collected in a 16 percent glycerol solution and stored in liquid nitrogen as described by Frias et al (1995) prior to the inoculation tests. Basidiospore germination tests were performed spraying water-agar plates with the basidiospore suspension kept in liquid nitrogen the day before and immediately after the inoculation. The number of germinated basidiospores were recorded after 24 hr and the inoculum concentration adjusted to the number of viable basidiospores. Suspensions with spore germination of less than 75 percent were not used. At least 112 seedlings, divided in 4 replications of 28 seedlings each, of each of the 176 families obtained from open pollinated seeds planted in tubes with sterilized soil were inoculated when presenting a new flush with at least one leaf 1.5 cm long. 1 ml of a suspension of 75,000 basidiospores of C. pernisiosa/ml were sprayed by the automated inoculation system (Frias at al 1995). Plants were then kept in an incubation chamber for 24 hr at 24 degrees centigrade with 100 percent relative humidity. Individual plant responses were recorded 60 days after inoculation. In all inoculation tests performed SCA 6 and SCA 12 were included as standard resistant progenies and CATONGO as a standard susceptible progeny. Disease - Crinipellis perniciosa (Marasmius perniciosa) (local names: Witches' Broom Disease, Escoba de bruja, Balai de sorciere, Vassoura de bruxa).

Disease; Tolerant; Pires, J.L. et al., 1996

Reference

Pires, J.L., Monteiro, W.R., Pinto, L.R.M. & Luz, E.D.M.N. 1996
Resistance to Witches Broom - Evaluation of genotypes from different origins. In: Proceedings of the 12th International Cocoa Research Conference, Salvador, Brasil 1996 Cocoa Producers' Alliance (in press).
Notes

Brazil - CEPEC, Itabuna, Bahia Datafiles: DIS_PHDS - Disease reaction to Witches' Broom PROGENY_ Experimental Conditions: Numbers of vegetative and cushion brooms, and healthy and WB attacked pods were recorded from each plant of the CEPEC collection between may 1995 and June 1996. (Only the accessions planted before 1990 were included in the study - 544 cloned and 21 seminal accessions). Each genotype was represented by a single row of 10 plants. To assess differences between genotypes, a mean of each genotype in the series was used as a series replication. All series with four or more representatives were considered. The analyses were based on the individual values of every single plant of each clone in a row of ten. A second collection (of approx. 250 accessions in common) were equally evaluated. Brooms were removed in December 1994, August 1995, March 1996 and a correlation analysis was carried out. Disease - Crinipellis perniciosa (Marasmius perniciosa) (local names: Witches' Broom Disease, Escoba de bruja, Balai de sorciere, Vassoura de bruxa).

Disease

FRUIT

Brazil - CEPEC, 1987: Rugosity: intense; Reference

Reference

Brazil - CEPEC 1987
List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.
Notes

Brazil - CEPEC, Itabuna, Bahia Datafile: CEPEC_DS BRA - CEPEC 1 PROGENY_ Germplasm: 564 accessions mainly of Brazilian origin. Environment: No details. Descriptors: Information on compatability pod characteristics and type of cocoa is given.

Bean Fruit Flower

REFERENCES

Vello, F., Garcia, J.R. & Magalhaes, W.S. (1974) Producao e selecao de cacaueiros hibridos na Bahia. Proceedings of the 4th International Cocoa Conference, 1972, St. Augustine, Trinidad. Cocoa Research Unit, Trinidad. pp. 38-56.

Brazil - CEPEC (1987) List of clones in the CEPEC, Bahia, Brazil collection. Computer printout from CEPEC. Supplied by B.G.D. Bartley, CEPEC, Brazil.

CEPEC (2012) Accession list for the CEPEC (Bahia, Brazil) collection. Dr. José Luis Pires, personal communication, February 2012.

Luz, E.D.M.N. & Silva, S.D.V.M. (1997) Evaluating resistance/tolerance to Witches' Broom disease in Bahia, Brazil. Final Report to ACRI. CEPLAC/CEPEC, February, 1997. pp. 56. Data supplied to ICGD by Luz & Silva.

Pires, J.L., Monteiro, W.R., Pinto, L.R.M. & Luz, E.D.M.N. (1996) Resistance to Witches Broom - Evaluation of genotypes from different origins. In: Proceedings of the 12th International Cocoa Research Conference, Salvador, Brasil 1996 Cocoa Producers' Alliance (in press).