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 Frosty Pod Rot

Moderately Susceptible, 89.00 % Infection

Note: External Severety = 1.3 and Internal Severety = 2.8

 Phillips, W., 1996

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Reference

Phillips, W. 1996

Cocoa cultivar reaction when innoculated with Moniliophthora roreri. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication

Notes

Costa Rica - CATIE Datafile: DIS_MODS - Disease reaction to Monilia Pod Rot Descriptors: Resistance based on severity of infection of Moniliophthora roreri using the aspersion method Environment: CATIE, Costa Rica Germplasm: Clones held at the CATIE germplasm collection Experimental conditions: External severity of infection: scale of six values, assessed 9 weeks after inoculation (0 = healthy pod, 5 = necrosis and sporulation). Internal severity of infection: scale of six values, assessed 9 weeks after inoculation (0 = 0% of internal tissues affected, 5 = more than 80%). This parameter was used to classify the cultivars. Incidence of infection: sick pods in relation to inoculated pods.

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Susceptible, 100.00 % Infection

Note: External Severety = 3.6 and Internal Severety = 4.5

 Phillips, W., 1997

×

Reference

Phillips, W. 1997

Results of the artificial inoculation of Moniliophthora rorei using the Aspersion method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication

Notes

Costa Rica - CATIE Datafile: DIS_MODS - Disease reaction to Monilia Pod Rot Descriptors: Resistance based on severity of infection of Moniliophthora roreri using the aspersion method Environment: CATIE, Costa Rica Germplasm: Clones held at the CATIE germplasm collection Experimental conditions: External severity of infection: scale of six values, assessed 9 weeks after inoculation (0 = healthy pod, 5 = necrosis and sporulation). Internal severity of infection: scale of six values, assessed 9 weeks after inoculation (0 = 0% of internal tissues affected, 5 = more than 80%). This parameter was used to classify the cultivars. Incidence of infection: sick pods in relation to inoculated pods.

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 Phytophthora

Moderate Resistance, 75.00 % Infection, sp. P. palmivora (Pod).

Note: Unripe, Attached and not wounded

 Lawrence, J.S., 1978

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Reference

Lawrence, J.S. 1978

Screening of cacao cultivars for resistance to Phytophthora palmivora in the collection at CATIE, Costa Rica. Revista Theobroma 8: pp. 125-131.

Notes

Costa Rica - CATIE Datafile: DIS_PHDS - Disease reaction to Phytophthora ABSTRACT Screening of the CATIE collection for resistance to Phytophthora palmivora was initiated, using point-inoculation with zoospore suspension of unwounded attached pods to evaluate cultivar response. Of the 51 cultivars tested, 9 showed a promising degree of resistance; EET 59, EET 376, POUND 7, UF 713, UF 715, SCAVINA 6, SCAVINA 12, CATONGO, DIAMANTES 800. METHOD The inoculation method used was point inoculation with standard zoospore suspension of attached pods without wounding as described by Lawrence, 1978b [LAW78B]. Pods of known age, one month before maturity were used and whenever possible only one or two pods were selected from each tree. Ten replicate pods per cultivar were inoculated and when sufficient pods were available each cultivar was tested on at least two different occasions. Both percentage successful infection and average lesion diameters were recorded, the latter when lesion sizes on pods of UF 677, a standard, highly susceptible cultivar included in all tests, attained an average diameter of 6 cm. When cultivars were tested twice or more, percentage infection and average lesion diameters were calculated from the sum of all inoculated pods. The same single-sporangium P. palmivora isolate (morphological form 1, compatibility type A2), selected on the basis of pathogenicity on pods, was used in all tests. To maintain infective potential, the isolate was passed through pod tissue every 1-2 months. Zoospore suspensions at a concentration of 2 x 10 to the power of 5 spores/ml were prepared as described in Lawrence, 1978b [LAW78B]. All tests were carried out between April and December, a period which encompassed peaks in P. palmivora incidence and which coincided with the times of higher pod production and greatest rainfall. Disease - Phytophthora palmivora, P. megakarya Local Names: Black Pod, Podredumbre negra, Pourriture Brune, Podridao parda.

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Moderately Susceptible, sp. P. palmivora (Pod).

 Phillips, W., 1997

×

Reference

Phillips, W. 1997

Results of the artificial inoculation of Phytophthora palmivora using the Paper Disc method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication

Notes

Costa Rica - CATIE Datafile: DIS_PHDS - Disease reaction to Phytophthora Descriptors: Resistance to Phytophthora palmivora and P. megakarya Environment: Artificial inoculation using the paper disk method. Resisance based on diameter of the lesion ten days after inoculation with 0.0015 zoopsores/ml. Resistant = 0-3 cm; moderately resistant = 3.1 - 6 cm; moderately susceptible = 6.1 - 9 cm; susceptible = > 9.1 cm lesion diameter. Germplasm: 188 Clones selected from the collection at CATIE, Costa Rica Disease - Phytophthora palmivora, P. megakarya (Local Names: Black Pod, Podredumbre negra, Pourriture Brune, Podridao parda).

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Resistant, sp. P. palmivora (Pod).

Note: Unripe, Attached and not wounded

 Morera, J., 1993

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Reference

Morera, J. 1993

Reaction of clones to Phytophthora palmivora. J. Morera, CATIE, Costa Rica. Personal Communication.

Notes

Costa Rica - CATIE Datafile: DIS_PHDS - Disease reaction to Phytophthora Descriptors: Resistance to Phytophthora Environment: Costa Rica, CATIE. No further details Germplasm: 305 clones of various origins

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 Costa Rica - CATIE, 1981

Productivity: very low - low

 Reference

×

Reference

Costa Rica - CATIE 1981

Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.

Notes

Costa Rica - CATIE Datafile: CATIE__DS CRI - CATIE 1 IMAGE_DS PROGENY_ Germplasm: Descriptor information is presented for 294 clones, 8 related species and on one hybrid. In addition, limited information on a further 119 clones is given. This germplasm is mainly of Latin American origin, including the United Fruit clones, UF, and genotypes from Mexico and Brazil. Environment: Each clone is represented in the collection by up to 10 trees planted in a single row. Spacing is usually 2m within the row and 3m between the rows, although parts of the collection are planted in a 2.2 x 2.2m grid. Fertilizer, N-P-K-Mg/Ca in the ratio 18:10:6:5, is applied four times a year at 150g per tree. Shade is provided in most of the collection by an almost complete closed cover of trees of Erythrina poepiggiana and Inga spp. spaced at 12 x 12m. Character data: Seed dry weight: sample is dried for 1.5 h at 130°C and cooled in a desiccator. Seed length, seed width, seed thickness: average of 5 seeds from 20 fruits. Fruit, wall thickness at ridge: fruits are transversally sectioned and the soft endocarp tissue removed. Fruit, ridge pair separation: mean ratio of the distance between ridges within a pair and the distances between the ridges of two different pairs. Leaf, flush colour: measured when leaves are 5cm long. Producitvity: values are given as: 1=very low - c. 40 pods harvested over 3 years; 3=low, 5=intermediate - c. 40 pods obtained from 3-4 harvests over 1 year; 7=high, 9=very high - c. 40 pods harvested at one time. Pod outline drawing for each accession.

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 Costa Rica - CATIE, 1981

Basal Constriction: moderate - slight

Apex Form: slightly acute

Rugosity: moderate

Colour: slight - moderate / slight anthocyanin (ridge/furrow)

Pods Per Tree: 2

 Reference

×

Reference

Costa Rica - CATIE 1981

Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.

Notes

Costa Rica - CATIE Datafile: CATIE__DS CRI - CATIE 1 IMAGE_DS PROGENY_ Germplasm: Descriptor information is presented for 294 clones, 8 related species and on one hybrid. In addition, limited information on a further 119 clones is given. This germplasm is mainly of Latin American origin, including the United Fruit clones, UF, and genotypes from Mexico and Brazil. Environment: Each clone is represented in the collection by up to 10 trees planted in a single row. Spacing is usually 2m within the row and 3m between the rows, although parts of the collection are planted in a 2.2 x 2.2m grid. Fertilizer, N-P-K-Mg/Ca in the ratio 18:10:6:5, is applied four times a year at 150g per tree. Shade is provided in most of the collection by an almost complete closed cover of trees of Erythrina poepiggiana and Inga spp. spaced at 12 x 12m. Character data: Seed dry weight: sample is dried for 1.5 h at 130°C and cooled in a desiccator. Seed length, seed width, seed thickness: average of 5 seeds from 20 fruits. Fruit, wall thickness at ridge: fruits are transversally sectioned and the soft endocarp tissue removed. Fruit, ridge pair separation: mean ratio of the distance between ridges within a pair and the distances between the ridges of two different pairs. Leaf, flush colour: measured when leaves are 5cm long. Producitvity: values are given as: 1=very low - c. 40 pods harvested over 3 years; 3=low, 5=intermediate - c. 40 pods obtained from 3-4 harvests over 1 year; 7=high, 9=very high - c. 40 pods harvested at one time. Pod outline drawing for each accession.

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 Yield  Bean  Fruit  Flush  Flower

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 Morera, J. et al., 1991

Shape: amelonado

Colour: green

 Reference

×

Reference

Morera, J., Paredes, A. & Mora, A. 1991

Germoplasma de cacao en el CATIE entre 1947 y 1991, Programa II: Generacion y transferencia de tecnologia. IICA, San Jose, Costa Rica, pp. 49.

Notes

Costa Rica - CATIE Datafile: DIS_MODS - Disease reaction to Monilia Pod Rot CATIE3DS CRI - CATIE 3 DIS_PHDS - Disease reaction to Phytophthora DIS_CEDS - Disease reaction to Ceratocystis PROGENY_ Germplasm: Descriptions are given for 559 clones. More information on 44 of them is given in the Table CATIE, Costa Rica (1). Environment: Details are given in the Table CATIE, Costa Rica (1). Descriptors: Population type, self-compatibility, resistance to disease, pod shape and colour are described. Population types - CATIE, Costa Rica (3). Disease - Phytophthora palmivora, P. megakarya (Local Names: Black Pod, Podredumbre negra, Pourriture Brune, Podridao parda), Moniliophthora / Monilia roreri (local names: Watery Pod Rot, Moniliasis, Moniliose), Ceratocystis fimbriata (local names: Ceratocystis Wilt, Mal de Machete, Mort Subite).

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 Disease  Fruit  Flower

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 Costa Rica - CATIE, 1981

Colour: brownish orange

 Reference

×

Reference

Costa Rica - CATIE 1981

Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.

Notes

Costa Rica - CATIE Datafile: CATIE__DS CRI - CATIE 1 IMAGE_DS PROGENY_ Germplasm: Descriptor information is presented for 294 clones, 8 related species and on one hybrid. In addition, limited information on a further 119 clones is given. This germplasm is mainly of Latin American origin, including the United Fruit clones, UF, and genotypes from Mexico and Brazil. Environment: Each clone is represented in the collection by up to 10 trees planted in a single row. Spacing is usually 2m within the row and 3m between the rows, although parts of the collection are planted in a 2.2 x 2.2m grid. Fertilizer, N-P-K-Mg/Ca in the ratio 18:10:6:5, is applied four times a year at 150g per tree. Shade is provided in most of the collection by an almost complete closed cover of trees of Erythrina poepiggiana and Inga spp. spaced at 12 x 12m. Character data: Seed dry weight: sample is dried for 1.5 h at 130°C and cooled in a desiccator. Seed length, seed width, seed thickness: average of 5 seeds from 20 fruits. Fruit, wall thickness at ridge: fruits are transversally sectioned and the soft endocarp tissue removed. Fruit, ridge pair separation: mean ratio of the distance between ridges within a pair and the distances between the ridges of two different pairs. Leaf, flush colour: measured when leaves are 5cm long. Producitvity: values are given as: 1=very low - c. 40 pods harvested over 3 years; 3=low, 5=intermediate - c. 40 pods obtained from 3-4 harvests over 1 year; 7=high, 9=very high - c. 40 pods harvested at one time. Pod outline drawing for each accession.

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 Yield  Bean  Fruit  Flush  Flower

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 Morera, J. et al., 1991

Self Compatibility: self compatible

 Reference

×

Reference

Morera, J., Paredes, A. & Mora, A. 1991

Germoplasma de cacao en el CATIE entre 1947 y 1991, Programa II: Generacion y transferencia de tecnologia. IICA, San Jose, Costa Rica, pp. 49.

Notes

Costa Rica - CATIE Datafile: DIS_MODS - Disease reaction to Monilia Pod Rot CATIE3DS CRI - CATIE 3 DIS_PHDS - Disease reaction to Phytophthora DIS_CEDS - Disease reaction to Ceratocystis PROGENY_ Germplasm: Descriptions are given for 559 clones. More information on 44 of them is given in the Table CATIE, Costa Rica (1). Environment: Details are given in the Table CATIE, Costa Rica (1). Descriptors: Population type, self-compatibility, resistance to disease, pod shape and colour are described. Population types - CATIE, Costa Rica (3). Disease - Phytophthora palmivora, P. megakarya (Local Names: Black Pod, Podredumbre negra, Pourriture Brune, Podridao parda), Moniliophthora / Monilia roreri (local names: Watery Pod Rot, Moniliasis, Moniliose), Ceratocystis fimbriata (local names: Ceratocystis Wilt, Mal de Machete, Mort Subite).

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 Disease  Fruit  Flower

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Bartley, B.G.D. (1995) Notes on the meaning and origins of clone names. B.G.D Bartley. Personal Communications.

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

Phillips, W. (1996) Cocoa cultivar reaction when innoculated with Moniliophthora roreri. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication

Phillips, W. (1997) Results of the artificial inoculation of Moniliophthora rorei using the Aspersion method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication

Lawrence, J.S. (1978) Screening of cacao cultivars for resistance to Phytophthora palmivora in the collection at CATIE, Costa Rica. Revista Theobroma 8: pp. 125-131.

Phillips, W. (1997) Results of the artificial inoculation of Phytophthora palmivora using the Paper Disc method. Unpublished data supplied by W. Phillips, CATIE, Costa Rica. Personal communication

Morera, J. (1993) Reaction of clones to Phytophthora palmivora. J. Morera, CATIE, Costa Rica. Personal Communication.

Costa Rica - CATIE (1981) Genetic Resources of Cacao. A Catalogue of the CATIE Collection. J.M.M. Engels, Tropical Agricultural Research and Training Centre, CATIE, Turrialba, Costa Rica. Technical Bulletin No. 7: pp. 191.

Morera, J., Paredes, A. & Mora, A. (1991) Germoplasma de cacao en el CATIE entre 1947 y 1991, Programa II: Generacion y transferencia de tecnologia. IICA, San Jose, Costa Rica, pp. 49.