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C.R. Van Der Heyden, P. Holford, and G.D. Richards

A freestone, nonmelting flesh peach would offer the opportunity to transport freestone peaches to distant markets, and so open lucrative export opportunities. Peach [Prunus persica (L.) Batsch.] germplasm segregating for semi-freestone and clingstone has been identified among the nonmelting flesh, open-pollinated progeny of the Univ. of Florida selection, Fla. 9-20C. The segregation approached a 1 : 1 ratio. No significant differences were detected between the two categories for titratable acidity, soluble solids concentration, or skin color. However, the semi-freestone progeny had significantly softer flesh than their clingstone siblings, although not soft enough to justify reclassification of the flesh texture. No simple genetic model can be proposed for the inheritance of this new phenotype. The semi-freestone, nonmelting germplasm represents a step towards a less perishable, freestone cultivar for the fresh market, as well as an opportunity to study the reason for the rarity of the freestone/nonmelting phenotype among peaches.

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C.E. Johnson, J.T. Payne, W.A. Young, and E.W. Bush

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C.E. Johnson, J.T. Payne, W.A. Young, D.H. Picha, and W.R. Okie

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David H. Byrne and Natalie Anderson

white melting type flesh color, and are clingstone (WD1, WD3, WD4) to semi-freestone (WD2) ( Fig. 1 ). The fruit flesh does not brown readily nor has it shown a tendency to develop split or shattered pits during the final stage of fruit swelling. Fruit

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Eun Young Nam, Jung Hyun Kwon, Ji Hae Jun, Kyeong Ho Chung, Seok Kyu Yun, Sung Jong Kim, and Yun Su Do

’. The acidity value was very low compared with that of other growing nectarine cultivars, such as ‘Cheonhong’ and ‘Sunfre’, in Republic of Korea ( Table 4 ). The fruit of ‘Yellow Dream’ was semi-freestone, whereas that of ‘Baekhyang’ and ‘Romamer I’ were

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Ksenija Gasic, John E. Preece, and David Karp

leaves, becoming reniform with age. Pearlicious XXII. White-fleshed, melting, semi-freestone fruit. Origin: Le Grand, CA by L.G. Bradford. 6P740 × Diamond Pearl; USPP 25,298; 24 Feb. 2015. Fruit: medium, uniform; shape globose to slightly compressed

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Mercy A. Olmstead, Jessica L. Gilbert, Thomas A. Colquhoun, David G. Clark, Robert Kluson, and Howard R. Moskowitz

.D. 1997 A new source of peach germplasm containing semi-freestone nonmelting flesh types HortScience 32 288 289

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Ksenija Gasic and John E. Preece

× Spring princess; USPP 22,758; 29 May 2012. Fruit: large (190g); uniform; globose compressed axially; dark red over a dark reddish orange ground color with light moderate orange yellow freckling toward the apex; white flesh; semi-freestone, firm, dense

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Ksenija Gasic, John E. Preece, and David Karp

above average; vigor high; productive; growth habit semi-spreading, medium to high density; moderately susceptible to bacterial leaf spot; flowers showy; chilling requirement 450-500 h; leaf glands reniform. Flat Delight Two. Yellow-fleshed, semi-freestone

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John R. Clark and Chad E. Finn

. Tree: vigorous; growth habit semi-spreading; regular bearer; flowers self-incompatible. Bella Gold. Yellow-skinned, semi-freestone interspecific fruit of very good flavor and eating quality. Origin: Modesto, CA, by G.N Zaiger, L.M. Gardner, and G