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LZ 2 Group Name Theobroma cacao

Pound, F.J. (1943)
First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.

Derivation: Large vuelta Z.
Collected by Pound.
Location: Limoncillo, Ecuador.

Notes: Seedlings from selected trees, established at Marper farm, Trinidad.

10/09/96 Previously recorded in the ICGD and elsewhere that LZ stood for Limoncillo. However, Pound 1943b [POU43B] indicates that it stands for Large Vuelta Z.

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PEDIGREE DETAILS

Mother to:: T 19 [POS] Olatoye, S.T. & Esan, E.B., 1993

Reference

Olatoye, S.T. & Esan, E.B. 1993
Recent innovation in cacao genetic resources conservation in Nigeria. In: Proceedings of the International Workshop on Conservation, Characterisation and Utilisation of Cocoa Genetic Resources in the 21st Century. CRU, UWI, Trinidad. pp. 281-291.
Notes

Nigeria - CRIN Datafile: PROGENY_

HELD IN

Trinidad and Tobago, International Cocoa Genebank, Trinidad (ICG,T): List received in 2011 Reference

Reference

CRU 2011
ICG,T accessions. CRU website.
Notes

Website visited 12th April 2011

Link Unavailable [http://sta.uwi.edu/cru/icgt-accessions.asp]; • Local Name: LZ 2

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Phytophthora: Susceptible, sp. P. palmivora (Pod).; Note: Unripe, Unattached and not wounded; Iwaro, D., 1998

Reference

Iwaro, D. 1998
Evalation of accessions for Black Pod. Personal Communication 30th October 1998. Data sent by email from Dr. Iwaro.
Notes

Trinidad - CRU, University of the West Indies Datafile: DIS_PHDS - Disease reaction to Phytophthora Experimental conditions: Inoculation techinique used - spray method. Inoculum concentration: 100,000 zoospores/ml. Incubated for four days. Character Data: The following descriptions are used to segregate clones according to reaction: no visible symptoms = highly resistant to penetration, 1-5 localised lesions = resistant, 6-15 localised lesions = moderately resistant, >15 localised lesions = partially resistant/resistant to spread of lesion alone, 1-5 expanding lesions = partially resistant/resistant to penetration alone, 6-15 expanding lesions = moderately susceptible, >15 expanding lesions = susceptible, coalesced lesions = highly susceptible Disease - Phytophthora palmivora, P. megakarya (Local Names: Black Pod, Podredumbre negra, Pourriture Brune, Podridao parda).

Disease
Witches Broom: Tolerant; Pound, F.J., 1943

Reference

Pound, F.J. 1943
First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.
Notes

Trinidad - Marper Farm, University of the West Indies Datafile: DIS_WBDS - Disease reaction to Witches' Broom Experimental Conditions: Budded seedling progeny were established at Marper Farm, Trinidad in 1939-41 after quarantine in Barbados. By the time of this report (1943) the 1939 planted trees stand 15 ft. high, span 8ft. and have borne 20-30 pods. The oldest trees have been checked for incidence of Witches' Broom infection for three consecutive years and in 1943 were classified for resistance on the field observation basis. A tree was classified as resistant if it had less total brooms per annum than it had years of age. For example, a well-developed three year old tree with a total of less than 6 brooms or less than 3 brooms during its third year would be selected. Disease - Crinipellis perniciosa (Marasmius perniciosa), (Local Names: Witches' Broom Disease, Escoba de bruja, Balai de sorciere, Vassoura de bruxa).

Disease; Tolerant; Sreenivasan, T.N., 1987

Reference

Sreenivasan, T.N. 1987
ICGT Germplasm at Marper Farm showing freedom from cushion Brooms and vegetative brooms. Unpublished report, CRU, Trinidad and Tobago.
Notes

Trinidad - Marper Farm, University of the West Indies Datafile: DIS_WBDS - Disease reaction to Witches' Broom Descriptors: Resistance based on freedom from cushion brooms and vegetative brooms Environment: Marper Farm, Trinidad Germplasm: 182 clones mostly collected by Pound: AM [POU], B [POU], CL, CLM, IMC, JA [POU], LP [POU], LV [POU], LX, LZ, MO, MOQ, NA, PA [PER], SCA, SJ [POU], SLA, SLC, SM [POU]

Disease

YIELD

Frances Bekele & Gillian Bidaisee, 2022: Pod Index: 21.0 (pods per kg dried beans); Reference

Reference

Frances Bekele & Gillian Bidaisee 2022
Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower

BEAN

Frances Bekele & Gillian Bidaisee, 2022: Colour: purple; Shape: ovate; Number: 40.0; Total Wet Weight: 78.6 g; Cotyledon Dry Weight: 1.19 g; Cotyledon Length: 23.1 mm; Cotyledon Width: 12.6 mm; Reference

Reference

Frances Bekele & Gillian Bidaisee 2022
Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower

BUTTERFAT

Frances Bekele & Gillian Bidaisee, 2022: Testa: 6.00 %; Reference

Reference

Frances Bekele & Gillian Bidaisee 2022
Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower
Trinidad - CRU, 1998: Butterfat Content: 51.08 %; Testa: 6.97 %; Reference

Reference

Trinidad - CRU 1998
Fat Analysis Data. Data supplied on computer diskette by F. Bekele, CRU, Trinidad.
Notes

Trinidad - CRU, University of the West Indies Datafile: TTOFATDS TTO - Fat Analysis Germplasm: Data is provided on 410 accessions. Environment: No details given. Descriptors: Data for the fat content of the shell, including standard error and the butterfat content is presented. Methods: Ripe, open pollinated pods were harvested, 2 pods from each of 5 trees (10 pods per accession) were selected. The beans were then mixed thoroughly and a sub-sample taken. The sub-sample was then cleaned to remove the mucliage, oven dried and stored at room temperature until analysis. For each accession 2 bean samples (each consisting of 20 beans) were taken from the bulked sample. The beans were shelled and eaach sample was groung using a coffee grinder (2x30 seconds). The ground samples were then dried for 16 hours at 110 degrees C, cooled and stored in a dessicator at 25 degrees C until analysis. From the cried ground samples, a 2 gram sub-sample was weighed into a beaker, 100 ml of 4.0M HCl was added and the sample boiled for 30 minutes. The boiled sample was filtered and the residue washed with distilled water until clear of pigment. After washing, the filtered sample was placed in an extraction thimble and dried for 16 hours at 60 degrees C. The butterfat from the bean samples was extracted using the Soxtec System (Tecetor). Each dried sample was extracted for one hour using petroleum ether (40-60) as the solvent. The butterfat extracted from the sample was then dried in an oven for 30 minutes at 100 degrees C, cooled in a dessicator and the percentage butterfat determined on a dry matter basis.

Butterfat

FRUIT

Frances Bekele & Gillian Bidaisee, 2022: Shape: elliptical; Basal Constriction: strong; Apex Form: indented; Rugosity: moderate; Length: 182.0 mm; Breadth: 86.0 mm; Colour: slight anthocyanin; Hardness: moderate; Note: Hardness > 1.6 and <= 2.0 Mpa; Reference

Reference

Frances Bekele & Gillian Bidaisee 2022
Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower

FLUSH

Frances Bekele & Gillian Bidaisee, 2022: Colour: intense anthocyanin; Reference

Reference

Frances Bekele & Gillian Bidaisee 2022
Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower

FLOWER

Frances Bekele & Gillian Bidaisee, 2022: Ligule Colour: slight anthocyanin; Stamen Colour: moderate anthocyanin; Sepal Length: 8.38 mm; Ligule Width: 2.42 mm; Ovule Number: 37; Style Length: 2.70 mm; Pedicel Colour: reddish; Reference

Reference

Frances Bekele & Gillian Bidaisee 2022
Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.
Notes

This single reference supercedes data entered previously and will be kept up-to-date to allow this information to be grouped together.

Yield Bean Butterfat Fruit Flush Flower

REFERENCES

Pound, F.J. (1943) First report on the selection of cacao trees for resistance to Witches' Broom disease. Unpublished report, Ministry of Agriculture, Trinidad.

Olatoye, S.T. & Esan, E.B. (1993) Recent innovation in cacao genetic resources conservation in Nigeria. In: Proceedings of the International Workshop on Conservation, Characterisation and Utilisation of Cocoa Genetic Resources in the 21st Century. CRU, UWI, Trinidad. pp. 281-291.

CRU (2011) ICG,T accessions. CRU website.

Iwaro, D. (1998) Evalation of accessions for Black Pod. Personal Communication 30th October 1998. Data sent by email from Dr. Iwaro.

Sreenivasan, T.N. (1987) ICGT Germplasm at Marper Farm showing freedom from cushion Brooms and vegetative brooms. Unpublished report, CRU, Trinidad and Tobago.

Frances Bekele & Gillian Bidaisee (2022) Morphological data from the International Cocoa Collection (ICG,T) maintained by the Cocoa Research Centre (CRC), Trinidad & Tobago. Unpublished data on fruit, bean, flower and flush morphology supplied as an Excel spreadsheet by Frances Bekele. Last update March 2022.

Trinidad - CRU (1998) Fat Analysis Data. Data supplied on computer diskette by F. Bekele, CRU, Trinidad.