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GU 255 /V    Theobroma cacao

 French Guiana - CIRAD-CP (1994)
Morphological characteristics of the clones held at CIRAD Guyane.. Data supplied to ICGD on computer diskette. Dr. Ph. Lachenaud, CIRAD Guyane.

Collected by Clement/Salle IRCC.
Location: Haut Camopi+Ecuador, GUF.

Lachenaud, 1993a [LAC93A]. Haut-Camopi material (See CAM 1, 3, 7, 9, 12) generally tall, Leaves - pigmented flushes, Fruit - heterogeneity in pod shape but usually green, clear basal constriction, obtuse apex, intermediate surface rugosity, prominent paired ridges.

Notes:  French Guiana - CIRAD-CP, 1994 [GUY94A] GU 112-359 from French Guiana, GU 360-370 from Ecuador.

Some publications have erroneously omitted the GU code and list only the clone number and suffix, for example 269H = GU 269/H and N 123 = GU 123/N.

2 May 2002 Data collected on wild trees from which the GU material were collected as seed has been removed from the ICGD on the recommendation of Philippe Lachenaud (CIRAD-CP). The descriptors referred only to the wild material which was never cloned in genebanks and as such the presence of these data were believed to be misleading. All GU material was collected as seed and properly labelled material should include a letter suffix at the end of the name.
 

 NOTES

French Guiana - CIRAD-CP, 1994 [GUY94A] GU 112-359 from French Guiana, GU 360-370 from Ecuador. Some publications have erroneously omitted the GU code and list only the clone number and suffix, for example 269H = GU 269/H and N 123 = GU 123/N. 2 May 2002 Data collected on wild trees from which the GU material were collected as seed has been removed from the ICGD on the recommendation of Philippe Lachenaud (CIRAD-CP). The descriptors referred only to the wild material which was never cloned in genebanks and as such the presence of these data were believed to be misleading. All GU material was collected as seed and properly labelled material should include a letter suffix at the end of the name.

 COLLECTION DETAILS

Location: R. Camopi, Haut Camopi, French Guiana (primary forest)
Date: 9 May 1987
Coordinates: 53°13'15" W, 2°21'18" N
Material collected: Seed
Notes: Montagne Cacao. same tree as #254
Expedition Code: 87GU
   Sallee, B., 1987

 PEDIGREE DETAILS

 Parents:
GU 255  x Unknown

 GENOME DATA LINKS

 Cornejo, O.E. et al., 2018  Reference
BioProject: PRJNA486011   NCBI   ENA FASTQ 
Project: PRJNA486011   EVA (project)   EVA (analysis) 
 
Run: SRR7774266   NCBI   ENA FASTQ 
Experiment: SRX4629558
BioSample: SAMN09934448
SampleSource: Costa Rica, Tree_ID: 17425

 HELD IN

Show Details Hide Details

Current List   ICQC,R Website
• Accession: RUQ 1549     ICQC,R 
   - Local Name: GU 255/V
   - Year of Accession: 2005
List received in 2018   Reference
• Accession: 21874
   - Local Name: GU 255-V
   - Year of Accession: 2004
List received in 2012   Reference
• Local Name: GU 255 V
   - Year of Accession: 1987
List received in 2012   Reference
• Local Name: GU 255 V
List received in 2012   Reference
• Local Name: GU225V

 DISEASE

 Phytophthora
Resistant, sp. P. megakarya (Leaf Disc Test).
Note: Mean of lesion score = 1.11. Population Camopi 1
 Paulin, D. et al., 2008

 YIELD

 Frances Bekele & Gillian Bidaisee, 2022
Pod Index: 37.1 (pods per kg dried beans)
 Reference

 BEAN

 Frances Bekele & Gillian Bidaisee, 2022
Colour: dark purple
Shape: oblong
Number: 35.0
Total Wet Weight: 43.4 g
Cotyledon Dry Weight: 0.77 g
Cotyledon Length: 19.2 mm
Cotyledon Width: 11.5 mm
 Reference

 BUTTERFAT

 Frances Bekele & Gillian Bidaisee, 2022
Testa: 6.50 %
 Reference

 FRUIT

 Frances Bekele & Gillian Bidaisee, 2022
Shape: oblong
Basal Constriction: slight
Apex Form: obtuse
Rugosity: intense
Length: 156.0 mm
Breadth: 80.0 mm
Colour: anthocyanin absent
 Reference

 PHENOTYPING

 Fiona Lahive, 2017
Accession: RUQ 1549
Light Saturated Photosynthetic Rate: 2.88 μmol m2 s-1
Stomatal Conductance: 0.06 mol m2 s-1
Transpiration Rate: 0.81 mmol m2 s-1
Intrinsic Water Use Efficiency: 59.46 μmol mol-1
Instantaneous Water Use Efficiency: 3.97 mmol mol-1
Flush Size: 7
Leaf Area: 250.10 cm2
Leaf Dry Weight: 1.88 g
Specific Leaf Area: 132.80 cm2 g-1
 Reference

 FLUSH

 Frances Bekele & Gillian Bidaisee, 2022
Colour: moderate anthocyanin
 Reference

 FLOWER

 Frances Bekele & Gillian Bidaisee, 2022
Ligule Colour: slight anthocyanin
Stamen Colour: anthocyanin absent
Sepal Length: 6.41 mm
Ligule Width: 2.05 mm
Ovule Number: 39
Style Length: 1.58 mm
Pedicel Colour: red
 Reference

French Guiana - CIRAD-CP (1994) Morphological characteristics of the clones held at CIRAD Guyane.. Data supplied to ICGD on computer diskette. Dr. Ph. Lachenaud, CIRAD Guyane.
Sallee, B. (1987) Compte rendu de prospection dans les populations naturelles de Theobroma cacao L. du Haut Camopi (Guyane Francais) 14/4 au 12/5/87.. Unpublished report, IRCC/CIRAD, 97387 Kourou, Guyane, pp. 45.
Cornejo, O.E., Muh-Ching Yee, Victor Dominguez, Mary Andrews, Alexandra Sockell, Erika Strandberg, Donald Livingstone III, Conrad Stack, Alberto Romero, Pathmanathan Umaharan, Stefan Royaert, Nilesh R. Tawari, Pauline Ng, Osman Gutierrez, Wilbert Phillips, Keithanne Mockaitis, Carlos D. Bustamante & Juan C. Motamayor (2018) Population genomic analyses of the chocolate tree, Theobroma cacao L., provide insights into its domestication process. Commun Biol 1, 167
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3).. Personal communication.
Philippe Lachenaud (2012) CIRAD Montpellier Clone List (Excel Spreadsheet).. Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.
Philippe Lachenaud (2012) F. Guiana database, CIRAD-CP.. Data supplied to ICGD by email. Dr. Philippe Lachenaud, CIRAD Montpellier, France, January 2012.
CRIG (2012) Cocoa accessions held in the Cocoa Research Institute of Ghana (CRIG).. Francis Kwame Padi, personal communication, February 2012.
Paulin, D., Ducamp, M. & Lachenaud, P. (2008) New sources of resistance to Phytophthora megakarya identified in wild cocoa tree populations of French Guiana.. Crop Protection. 27: pp 1143–1147.
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.
Fiona Lahive (2017) Phenotypic data from climate change trials.. Personal communication.