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TSH 728 Group Name Theobroma cacao

Shripat, C. (1996)
The Cocoa Breeding Programme of the Ministry of Agriculture, Land and Marine Resources, Trinidad. Presented at the International Workshop on The Utilisation of Genetic Resources of the ICGT, June, 1996. Cocoa Research Unit, Trinidad.

Derivation: Trinidad Selected Hybrids.
Collected by Cocoa Board.
Location: Trinidad and Tobago.

Notes: Selections from mixed populations of Amazons and Trinitarios.

Shripat, 1996a [SHR96A]. Each Trinidad clone was labelled with a code composed of certain letters as a prefix (TS, TSA, TSH, TSAN, TSHN) followed by a number which runs consecutively from 500 upwards regardless of the letters. Thus, there are no two new clones with the same number.

(see also Bartley, 1997c [BAR97C] ).

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Recommended Planting Material

Disclaimer
Recommendations for planting materials are made by the referenced authors for specific regions and growing conditions. They are provided here as a guide and historic record only. To confirm the most appropriate planting material for your needs and its availability, please contact your local cocoa authority.

Details on clones that are available for distribution and guidelines on the safe movement of cacao germplasm can be obtained from the International Cocoa Quarantine Centre, Reading

Maharaj, Kamaldeo, 2012: Recommended clone in:
Trinidad and Tobago; Reference

Reference

Maharaj, Kamaldeo 2012
Cacao Breeding and Planting Material Situation in Trinidad and Tobago and Some of the Other Caribbean Islands. INGENIC Seventh Workshop: Cocoa Variety Development and the Supply of Planting Materials to Farmers. 21st - 22nd October 2012
Recommended material

PEDIGREE DETAILS

Parents:: IMC 67 x ICS 95 Bartley, B.G.D., 1996

Reference

Bartley, B.G.D. 1996
Additional Notes with the translation of Coral's field notes from R. Ucayali, Peru (1987-88) expedition. B.G.D Bartley. Personal Communications. (See also Coral 1988).
Notes

Trinidad Datafile: PROGENY_ Bartley's additional comments and explanatory notes accompanied the translation of the expedition field notes of Coral [COR88A].

DISEASE

Phytophthora: Resistant, sp. P. palmivora (Pod).; Note: Unripe, Attached and not wounded; Shripat, C., 1995

Reference

Shripat, C. 1995
Preliminary screening of Trinidad Selected Hybrid (TSH) clones for resistance to Black Pod disease caused by Phytophthora palmivora (Butl.) in Trinidad. In: Proceedings of the 11th International Cocoa Research Conference, Yammoussoukro, Côte d'Ivoire, 1993. Cocoa Producers' Allliance, Lagos, Nigeria. pp. 837-840.
Notes

Trinidad - Central Experiment Station, Centeno Datafile: DIS_PHDS - Disease reaction to Phytophthora Experimental Conditions: A field investigation of the reaction to Phytophthora palmivora of 181 TSH clones. Unripe, mature attached pods were inoculated using a modified version of the method published by Sreenivasan (1975). Two infected grains of wheat were placed in a 3 cm long section of a drinking straw attached to the pod surface with plasticine. The straw was then filled with sterile distilled water. If disease symptoms were observed on control pods of IMC 67, 3-5 days after inoculation, then the diameter of all lesions found on the test pods was measured. An index rating on a scale 0-4 was used (0=no infection, 1=1-2 cm lesions, 2=2-4cm lesions, 3=4-6 cm lesions and 4=lesion diameter more than 6 cm). When 70% or more of the pods tested for a given clone rated 0 and 1, the clone was classed as resistant. Experiments were conducted during 1980-1982 when conditions were favourable to the pathogen. All experiments were conducted at the Central Experiment Station, Centeno, Trinidad. Disease - Phytophthora palmivora, P. megakarya (Local Names: Black Pod, Podredumbre negra, Pourriture Brune, Podridao parda).

Disease

REFERENCES

Shripat, C. (1996) The Cocoa Breeding Programme of the Ministry of Agriculture, Land and Marine Resources, Trinidad. Presented at the International Workshop on The Utilisation of Genetic Resources of the ICGT, June, 1996. Cocoa Research Unit, Trinidad.

Maharaj, Kamaldeo (2012) Cacao Breeding and Planting Material Situation in Trinidad and Tobago and Some of the Other Caribbean Islands. INGENIC Seventh Workshop: Cocoa Variety Development and the Supply of Planting Materials to Farmers. 21st - 22nd October 2012

Bartley, B.G.D. (1996) Additional Notes with the translation of Coral's field notes from R. Ucayali, Peru (1987-88) expedition. B.G.D Bartley. Personal Communications. (See also Coral 1988).

Shripat, C. (1995) Preliminary screening of Trinidad Selected Hybrid (TSH) clones for resistance to Black Pod disease caused by Phytophthora palmivora (Butl.) in Trinidad. In: Proceedings of the 11th International Cocoa Research Conference, Yammoussoukro, Côte d'Ivoire, 1993. Cocoa Producers' Allliance, Lagos, Nigeria. pp. 837-840.