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COCA 3312 [CHA] Group Name Theobroma cacao

Chalmers, W.S. (1973)
Report on a visit to Ecuador, Peru, and Brasil, March 1st-April 15th 1973. Unpublished Report. Cocoa Research Unit, University of the West Indies, Trinidad. pp. 31.

Derivation: COCA river.
Collected by Chalmers (INIAP/UWI).
Location: R. Coca, Oriente, Ecuador.

Notes: Chalmers, 1973a [CHA73A] Chalmers marked these trees and made the initial collections in 1968. Further collections of both budwood and seed were made on later expeditions in 1969 and 1970.

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Synonyms: EQX 3312 [CHA], EQX 3312 [EQX], EQX 3312 [A], EQX 3312 [B], COC 3312 [CHA], COC 3312 [ECU], COCA 3312 [ECU], EQ 3312, EQX 3312 [J], EQX 3312 [T], EQX 3312 [U], EQX 3312 [V], EQX 3312 [W], EQX 3312 [Z], EQX A 3312, EQX B 3312, EQX C 3312, EQX J 3312, EQX T 3312, EQX U 3312, EQX V 3312, EQX W 3312

COLLECTION DETAILS

Location: R. Coca, Oriente, Ecuador

Date: May 1969

Coordinates: 77.00 W, 0.55 S

Expedition Code: 69CH

Chalmers, W.S., 1969

PEDIGREE DETAILS

Mother to:: EQX 74 [EQX] Trinidad - ICTA (EQX), No Date

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.

HELD IN

Costa Rica, Centro Agronómico Tropical de Investigación y Enseñanza (CATIE): List received in 2018 Reference

Reference

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

Excel file received by email.; • Accession: 19478; - Local Name: EQX-3312; - Year of Accession: 1993

FRUIT

Chalmers, W.S., 1970: Husk Thickness: 1.3 mm (1.7 - 0.9); Length: 145.0 mm; Breadth: 80.0 mm; Weight: 447.0 g; Pods Per Tree: 1; Length Breadth Ratio: 1.81; Note: expedition data; Reference

Reference

Chalmers, W.S. 1970
Data accumulated from Chalmers' Collection reports from expeditions to Ecuador between 1968-1973. Series of 7 unpublished Reports. Cocoa Research Unit, University of the West Indies. See other reference entries for details.
Notes

Oriente region of Ecuador, Peru and Brazil Datafile: CH70__DC ECU - Chalmers expedition, Field Data Germplasm: Details of accessions collected from the Oriente region of Ecuador, Peru and Brazil. Environment: Accessions were described as they were collected.

Disease Bean Fruit
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).

Disease Fruit Flower

REFERENCES

Chalmers, W.S. (1973) Report on a visit to Ecuador, Peru, and Brasil, March 1st-April 15th 1973. Unpublished Report. Cocoa Research Unit, University of the West Indies, Trinidad. pp. 31.

Chalmers, W.S. (1969) Report of a cocoa collecting trip to the Oriente of Ecuador, May 20th-26th 1969. Unpublished Report. Cocoa Research Unit, University of the West Indies, Trinidad. pp. 12.

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.

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

Chalmers, W.S. (1970) Data accumulated from Chalmers' Collection reports from expeditions to Ecuador between 1968-1973. Series of 7 unpublished Reports. Cocoa Research Unit, University of the West Indies. See other reference entries for details.

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.