Origin: in Prosser, Wash., by Washington State Agr. Ext. Serv. and U.S. Dept. of Agriculture. Introd. in 1971. W1-24 (Tilton × Riland) × Perfection. Cross made in 1953 and selected in 1957 by H.W. Fogle; tested as Prosser 4-12 by T.K. Toyama, Prosser (U.S. Dept. of Agriculture). Tree: vigorous; hardier than Wenatchee; productive; flowers are self-incompatible, requiring cross-pollination; late-flowering varieties should not be used as pollinizers, inter-fertile with Wenatchee, Perfection, Sun Glo, Earliril, and Goldrich. Recommended as a replacement for Wenatchee (Wenatchee Moorpark) because of earlier ripening, more attractive and firmer fruit, and tree hardiness. Fruit: large; oval and symmetrical; skin light orange, develops a pronounced blush on exposed cheeks; flesh deep orange, firm, texture fine, flavor mild, acidity low; ripens 3 to 5 days before Wenatchee.
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