Macfree: 2-3/4", 75% medium to dark lively red, slightly stripped, 



over greenish-yellow ground color. Juicy white flesh, sometimes 

 tinged with green. Slightly course, tough texture, moderate 

 acidity and firm; pleasant flavor. Ripens a few days before 

 Red Delicious, Stores 3 months at 32 C. Vigorous spreading 

 tree: fruit borne throughout. Resistant to apple scab. 



Nova Easy-gro : 2-1/2", blushed or stripped medium red over pale greenish- 

 yellow ground color. Creamy white flesh, firm, crisp, moderately 

 juicy, subacid; pleasant. Matures with Cortland, keeps well. 

 Trees are moderately vigorous, and spreading, with fruit borne 

 throughout the tree. Fruit resistant to apple scab. (Multigenic 

 resistance from Russian seedling) . 



Liberty : 2-3/4", deep bright red, stripped on greenish-yellow ground 

 color. (Mcintosh parentage easily recognizable.) Flesh pale 

 yellow, nearly white; crisp, juicy, slightly coarse in texture. 

 "Sprightly", subacid; browns rapidly upon exposure to air. 

 Keeps well under refridgeration until January and stores very 

 well as juice, cider and sauce. Trees are "precocious"; out- 

 yielded Mcintosh and Red Delicious on similar topworked trees. 

 Vigorous growth, round topped and spreading: very productive 

 with fruitbuds terminally and laterally on shoots of current 

 year's growth and spurs. Immune to apple scab and cedar apple 

 rust; resistant to powdery mildew and fire blight. 



NY 61345-2 : 2-7/8", 90% red blush. Crisp, juicy, slightly coarse; sprightly. 

 Tree: vigorous and upright. 2 days before Red Delicious. Immune 

 to apple scab, moderately resistant to cedar apple rust and 

 powdery mildew. 



Standard insecticide sprays were applied from 1978-1982, but no fungicides 

 were used. Natural inoculum for apple scab and cedar-apple rust was abundant 

 in all years. 



In mid-September, 100 randomly-chosen leaves per tree were evaluated for 

 per cent apple scab, cedar-apple rust, and frog-eye leaf spot (black rot). Fruit 

 were evaluated at harvest for scab and other diseases. Results are summarized 

 in Table 1. 



All of the disease resistant cultivars were completely free from fruit 

 and foliar scab. Imperial Mcintosh, however, had 48.5% foliar and 28.3% fruit 

 scab. While all the disease resistant cultivars had less foliar cedar-apple 

 rust than Imperial Mcintosh, Macfree and Sir Prize had more foliar infection 

 than Nova Easy-gro, NY 61345-1, Priscilla, and Liberty. The original Prima 

 trees died before 1982. Several younger Prima trees were completely free from 

 scab, but had extensive cedar-apple rust on leaves. One Prima fruit also had 

 a rust infection spot. All cultivars had frog-eye leaf spot, with Sir Prize 

 having the highest incidence. Frog-eye leaf spot on Sir Prize, however, consists 

 primarily of small purplish flecks, rather than more typical symptoms. 



To determine fruit quality. Nova Easy-gro, Liberty, Macfree, NY 61345-2, and 

 Imperial Mcintosh fruit were harvested and stored at 34 F. in a conventional 

 cold storage. After one month of storage, fruit were removed, sliced, and 

 offered to 29 randomly-chosen students, secretaries, faculty and technicians. 



