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CRU 269 Group Name Theobroma cacao

Derivation: Cocoa Research Unit.
Location: ICGT, Trinidad and Tobago.

Notes: Selections made from Trinidad populations.

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United Kingdom, International Cocoa Quarantine Centre, Reading (ICQC,R): Current List ICQC,R Website; • Accession: RUQ 1632 ICQC,R; - Local Name: CRU 269; - Year of Accession: 2007

PHENOTYPING

Fiona Lahive, 2017: Accession: RUQ 1632; Light Saturated Photosynthetic Rate: 4.77 μmol m² s^-1; Stomatal Conductance: 0.07 mol m² s^-1; Transpiration Rate: 1.09 mmol m² s^-1; Intrinsic Water Use Efficiency: 70.54 μmol mol^-1; Instantaneous Water Use Efficiency: 4.60 mmol mol^-1; Flush Size: 4; Leaf Area: 280.30 cm²; Leaf Dry Weight: 1.96 g; Specific Leaf Area: 143.40 cm² g^-1; Reference

Reference

Fiona Lahive 2017
Phenotypic data from climate change trials. Personal communication.
Notes

Data for single trees in ICQC,R. Each value is a mean of 2 time points with 6 leaves per tree (12 measurements), except flush size, which was 2 branches per tree (4 measurements).

Phenotyping

REFERENCES

Fiona Lahive (2017) Phenotypic data from climate change trials. Personal communication.