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Muscadine Grape Breeding Program: Cultivars

Carlos

Carlos grapes in box

Cultivar Information

Flower type = Self-fertile
Berry color = Bronze
Year introduced = 1970
Variety protection = Unpatented

Average berry quality in Tifton, Ga. trials

Cultivar

Berry weight (g)

Berry diameter (mm)

Soluble solids (%)

Carlos

5.3

20

13.8

Fry

12.7

27

15.3

Supreme

17.7

31

13.9

Cultivar attributes in Tifton, Ga. trials

Cultivar

Vine vigor

Leaf disease

Berry rot

% Full crop

Harvest period

Ripening

% Dry scar

Carlos

high

slight

high

90%

midseason

even

90%

Fry

medium

slight

slight

70%

midseason

even

30%

Supreme

medium

slight

none

90%

midseason

uneven

60%

History

Carlos grapes on vine'Carlos' was released by the W.B. Nesbitt, V.H. Underwood, and D.E. Carroll in 1970 from the North Carolina Agr. Expt. Station in Raleigh, N.C. 'Carlos' was selected in 1954 from the cross Howard x NC 11-173 (Topsail x Tarheel). 'Carlos' was released as a bronze juice and fresh market cultivar with a flavor similar to 'Scuppernong'.

Comments

'Carlos' is the predominant bronze colored juice grape grown today. Dry scars and even ripening facilitate the use of mechanical harvesting with 'Carlos'. In the past, 'Carlos' was considered a dual purpose wine/fresh fruit cultivar. However, the relatively small size of 'Carlos' makes it difficult to use as a fresh fruit cultivar in the current market. Our vines were healthy, and yields were good. The biggest problem we have had with 'Carlos' is berry rots, which have reduced juice quality in some years, and in others have nearly ruined the crop. 'Doreen' may be a suitable replacement the southern muscadine region, as it was selected for high fruit rot resistance. However, 'Doreen' is very late ripening and has more of a wet scar than 'Carlos'. 'Carlos' occasionally shows signs of Pierce's disease development.

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