PRI Disease Resistant Apple Breeding Program

 
Co-op 1
Prima
Co-op 3
Priscilla
Sir Prize
Co-op 6
Co-op 7
Co-op 8
Co-op 9
Co-op 10
Co-op 11
Co-op 12
Redfree
Co-op 14
Co-op 15
Co-op 16
Co-op 17
Co-op 18
Co-op 19
Co-op 20
Dayton
Jonafree
Williams' Pride
Co-op 24
Scarlett O'Hara
Co-op 26
Co-op 27
Co-op 28
Sundance
Enterprise
WineCrisp
Pristine
Pixie Crunch
Co-op 34
Co-op 35
Co-op 36
Co-op 37
GoldRush
CrimsonCrisp
Co-op 40
Co-op 41
Co-op 42
Juliet
Co-op 44
 
Priam
McShay
 

Co-op 18

(PRI 19&3-207 - NJ. 60837 x PRI 669-205 (669NJ5)) (Williams et al. 1975)

Brief Description

  • Fruit: 64 to 70 mm (2-1/2 to 2-3/4 in.); short conic to round; cream to pale yellow ground color, bright finish, washed, 50 to 80% light to medium red; moderate grained, cream to pale colored, firm, crisp flesh; fair to good quality; very juicy. Heavy annual cropping. Quality retained in refrigerated storage. Fruit hangs well on the tree. Cooked apple slices are firm, translucen4 and gold in color.
  • Season of Maturity: One week after 'Delicious'. Storage-life believed to be three months but conclusive data unavailable.
  • Tree: Moderately vigorous; spreading; wide crotch angles; thick, semi-spur type branches.
  • Disease Resistance: Field immune to apple scab; moderately resistant to powdery mildew; moderately resistant to cedar-apple rust; very susceptible to fire blight.
  • Problems: Moderate to small fruit size; moderate appearance and quality; susceptibility to fire blight.
  • General Recommendation: Problems too severe for further consideration. Discarded at Lafayette.
Co-op 18

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