Location: Quevedo, Los Rios, E.E. Pichilingue, Ecuador

Coordinates: 79.50 W, 1.00 S

   Marita, J. M. et al., 2001

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Reference

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.

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 Parents:

MOTOLO 1  x Unknown - MOTOLO 1 must have been a hybrid since one of the two surviving plants is of the Oriente type and the other is a hybrid [BAR93A].
   Trinidad - ICTA (EQX), No Date

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Reference

Trinidad - ICTA (EQX) No Date

List of the parentage of EQX accessions. Untitled manuscript, Cocoa Research Unit, University of the West Indies, Trinidad. pp.1.

Notes

Ecuador - EET Pichilingue Datafile: PROGENY_ Descriptors: Full list of the EQX accessions with notes on their origin. Donated by Dr. G. Lockwood, 1989.

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 Ceratocystis

Susceptible (Branch).

Note: Based on mycelium growth and the production of perithecia..

 Stela Dalva Vieira Midlej Silva, 2003

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Reference

Stela Dalva Vieira Midlej Silva 2003

Ensaios Para Avaliação do Cacaueiro à Murcha-de-Ceratocystis na Bahia, Brasil. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.

Notes

Title: 'Essays for the Assesment of Ceratocystis-Wilt in Bahia, Brazil'

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 Disease

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 Witches Broom

Resistant (Field Reaction).

 Luz, E.D.M.N. & Silva, S.D.V.M., 1997

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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).

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 Disease

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Susceptible (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).

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 Disease

Close

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).

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 Disease

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 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.

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 Bean  Fruit  Flower

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Lockwood, G. & Gyamfi, M.M.O. (1979) The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.

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.

Trinidad - ICTA (EQX) (No Date) List of the parentage of EQX accessions. Untitled manuscript, Cocoa Research Unit, University of the West Indies, Trinidad. pp.1.

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

Almeida, Caio Márcio Vasconcellos Cordeiro de, Francisco Antônio Neto, Acácio de Paula, Silva, José Raymundo Pires Medeiros & Antonio de Almeida Lima (2015) RECURSOS GENÉTICOS DE CACAUEIRO EM RONDÔNIA: RETROSPECTIVA HISTÓRICA, ORIGEM E INVENTÁRIO [Genetic Resources of Cacao in Rondônia: Historical Overview, Origin and Inventory]. Agrotrópica (Itabuna) 27 (2): 93–124

Mars Center for Cocoa Science (2012) Accession list for the Mars Center for Cocoa Science. Jean-Philippe Marelli, personal communication, February 2012.

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.

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.

Stela Dalva Vieira Midlej Silva (2003) Ensaios Para Avaliação do Cacaueiro à Murcha-de-Ceratocystis na Bahia, Brasil. In: Proceedings of the 14th International Cocoa Research Conference, Accra, Ghana (October 2003). Cocoa Producers' Alliance, Lagos, Nigeria.

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).

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