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Twenty-six muscadine cultigens were evaluated for fruit size, color, soluble solids, and other horticultural characteristics pertaining to fresh market use. Seventeen cultigens were evaluated for 7 years and 9 were evaluated for 2 years. Entries with the largest fruit size were `Granny Vale', `GA 33-1-4', `Sweet Jenny', and `Black Fry' with fruit weights averaging over 10.5 grams each. `Summit', `GA 33-1-4' `Sweet Jenny', `Fry', `Dixieland', and `GA 9-4-1' were consistently over 17% soluble solids during the years of this study. The yield per vine was highest on `Watergate', `Carlos', `Summit', `Higgins', and `Redgate'. The highest average yield was 30.0 kg per vine on `Watergate'. Recently released cultivars `Black Fry', `Black Beauty', and `Granny Vale' exhibited extremely good characteristics for the fresh market industry.

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Controlled crosses of a Vermillion red flesh color cultivar with 4 normal red flesh color cultivars were made. F1, F2, and backcross generations were grown in the field and the fruits evaluated for flesh color. All fruits of the F1 generation were Vermillion. The F2 generation segregated to a 9:7 ratio of vermillion to normal in all crosses. The probabilities of fit ranged from 0.10 to 0.95. This ratio is indicative of two dominant genes with complementary effects or double recessive epistasis, Backcrosses to the dominant parent produced almost all vermillion flesh fruit. Backcrosses to the recessive parents did not fit any documented ratios. Further analysis of the BC generations seems to suggest that flesh color is controlled by two dominant genes.

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Controlled crosses of a Vermillion red flesh color cultivar with 4 normal red flesh color cultivars were made. F1, F2, and backcross generations were grown in the field and the fruits evaluated for flesh color. All fruits of the F1 generation were Vermillion. The F2 generation segregated to a 9:7 ratio of vermillion to normal in all crosses. The probabilities of fit ranged from 0.10 to 0.95. This ratio is indicative of two dominant genes with complementary effects or double recessive epistasis, Backcrosses to the dominant parent produced almost all vermillion flesh fruit. Backcrosses to the recessive parents did not fit any documented ratios. Further analysis of the BC generations seems to suggest that flesh color is controlled by two dominant genes.

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Gibberellic acid-treated `Napoleon' sweet cherry (Prunus avium L.) fruit were firmer but lost more weight during brining than nontreated fruit. GA treatment delayed fruit softening, thereby extending the harvest period. Mean fruit weight was increased by GA only in fruit harvested at a more mature state. GA delayed soluble solids accumulation in one of two years. In one orchard district, solution pockets were less frequent in GA -treated fruit in 1988 and in late-harvested GA -treated fruit in 1989. GA treatment did not alter the incidence of fruit with solution pockets in a second district in 1988 and increased levels of solution pockets in fruit harvested later in 1989. Incidence of fruit with solution pockets increased as maturity progressed in nontreated fruit in both years and both districts. Chemical name used: gibberellic acid (G A).

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