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. 2021 Jan 25;11:612593. doi: 10.3389/fpls.2020.612593

TABLE 1.

Source of 400 C. canephora genotypes analyzed from CRIG germplasm collection.

Source of sample Number of trees selected Location of trees sampled Total number of clones or families
Collection of earlier C. canephora introductions to CRIG, Coffee museum at CRIG, Tafo 38 Germplasm plots of the Cocoa Research Institute of Ghana, Tafo (06°13′ N, 0°22′ W) 38
Evaluation of local clones collected from COCOBOD plantations in seven localities in Ghana, Plot OX4 at CRIG, Tafo 57 57
Evaluation of C. canephora introduction from Togo, Plot OX5 at CRIG, Tafo 57 57
Evaluation observational trial of recent introduction from Vietnam, Plot NX1 at CRIG, Tafo 27 27
Evaluation of half-sib families of C. canephora, Plot HX8 at CRIG, Tafo 26 6
Evaluation of working collection of C. canephora clones selected at CRIG, Plot DX3B at CRIG, Tafo 144 72
Development of hybrid varieties of C. canephora at CRIG, plot DX2 at CRIG, Tafo 12 2
Evaluation of high-yielding C. canephora clones selected from a number of hybrid trials at CRIG, plot UX5 at CRIG, Tafo 30 30
Biclonal seed garden plot at Tafo, coffee seed garden at CRIG, Tafo 4 Seed garden plot of the Cocoa Research Institute of Ghana, Tafo (06°13′ N, 0°22′ W) 2
Biclonal seed garden plot at Afosu, coffee seed garden at CRIG, Afosu 4 Seed garden plot of the Cocoa Research Institute of Ghana, Afosu Sub-station (6°22′ N, 0°59′ W) 2
Collection of different C. canephora types at Bunso, Coffee museum III at CRIG, Bunso 1 Germplasm plot of the Cocoa Research Institute of Ghana, Bunso Sub-station (41°33′ N, 14°33′ E) 1
Total 400 294