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TARS 34    Theobroma cacao

 Ricardo Goenaga, Heber Irizarry & Brian Irish (2009)
TARS Series of Cacao Germplasm Selections. HORTSCIENCE 44(3): 826-827

Derivation: USDA-ARS, Tropical Agriculture Research Station.
Location: United States.

Notes:  The TARS selections were made following multisite progeny trials at Corozal, Gurabo and Yabucoa in Puerto Rico and a further trial at Corozal to investigate the performance of the most promising 40 types when grafted onto an open-pollinated EET400 rootstock (randomised block design with six replications, each containing two experimental trees per treatment, evaluated over 4 years of production 1994-97 when the trees were 3 to 6 years old) (Irizarry and Rivera, 1998 and Irizarry and Goenaga, 2000)). The original progeny trials involved evaluation of the yield potential of 1320 trees representing five interclonal cacao full sib families (UF-668 x Pound-7, IMC-67 x UF-613, EET-400 x SCA-12, SCA-6 xEET62, and IMC-67 x SCA-12) over a period of 8 years (1986 to 1993) of production at two locations and 4 years (1986 to 1989) at a third location (edaphic/climate details below. Only 9 of the 40 clones selected for final evaluation demonstrated superior yield when compared with either the combined mean of the five parental clones or the mean of their highest yielding parent. Organoleptic evaluation of 65% cacao-containing chocolate samples from the highest yielding clones was conducted at Guittard Chocolate Company, Burlingame, CA, using the protocol of the CFC/ICCO/INIAP Flavor Project (Sukha et al., 2008).


UF 668  x POUND 7    Ricardo Goenaga et al., 2009


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Current List   ICQC,R Website
• Accession: RUQ 1513     ICQC,R 
   - Local Name: TARS 34
List received in 2018   Reference
• Accession: 22323
   - Local Name: TARS-34
   - Year of Accession: 2015
List received in 2016   Reference
• Accession: PI 668459     GRIN-Global 
   - Local Name: CACAO TARS 34
   - Year of Accession: 2000


 Ricardo Goenaga et al., 2009
Flavour: Mild chocolate note with some mild fruit character; more of a fleshy yellow fruit flavor and some mild brightness; acceptable flavor
Note: Flavor profile of 65% chocolate


 Ricardo Goenaga et al., 2009
Pod Index: 25.0 (pods per kg dried beans)
Yield: 2220 kg ha-1 yr-1
Yield (dry beans per tree): 1.48 kg

Ricardo Goenaga, Heber Irizarry & Brian Irish (2009) TARS Series of Cacao Germplasm Selections. HORTSCIENCE 44(3): 826-827
Allan Mata (2018) Accession list for the International Cacao Collection at CATIE (IC3). Personal communication.
USDA, ARS Tropical Agriculture Research Station, Mayaguez, Puerto Rico. (2016) List of cocoa accessions held at Mayaguez in April 2016. USDA-ARS GRIN-Global. [Online Database] National Germplasm Resources Laboratory, Beltsville, Maryland.