PRI Disease Resistant Apple Breeding Program

Co-op 1
Co-op 3
Sir Prize
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Williams' Pride
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Scarlett O'Hara
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Co-op 27
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Pixie Crunch
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Co-op 27

(PRI 1947-105 = Ill. #2 ('Winesap' o.p.) x PRI 1042-100) (Korban et al. 1990)

Brief Description

  • Fruit: 64 to 76 mm (2-1/2 to 3 in.); round to oblate-round; pale yellow ground color, moderate to bright finish; splashed and occasionally mottled, 90% medium to dark red, attractive; fine grained, cream colored, firm to crisp flesh and slightly tough at harvest, mellowing to firm and moderately crisp in storage; moderately to sprightly sub-acid, spicy, full, rich flavor, juicy. Very good quality. Open calyx. Retains flesh texture and quality for six months or more in refrigerated storage. Fruit hangs on the tree very well. Moderate to heavy annual cropping. Uniformly moderate to Large size. Winter, storage apple with uniform ripening and single harvest.
  • Bloom Period: Early-midseason.
  • Season of Maturity: One week after 'Delicious'.
  • Tree: Moderate vigor, moderately upright, full spur-type, with strong branches. Bears fruit in short spurs.
  • Disease Resistance: Field immune to apple scab; moderately resistant to powdery mildew; field immune to cedar-apple rust; highly resistant to fire blight.
  • Problems: Slightly tough flesh at harvest; sprightly acid; occasional mottled color; thick, stiff stem.
  • General Recommendation: Strongly suggested for advanced testing.
Co-op 27

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