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First, Second (maggot spray), Third Cover
Diseases. Leaf spot, fruit rot, powdery mildew.
Insects. Plum curculio, leafrollers, aphids, cherry maggot, fruit flies.
Cherry fruit flies. Where cherry fruit flies or black cherry fruit flies are a problem or weather conditions are favorable for fruit fly infestation, shorten the interval between sprays.
Sprays before harvest. Refer to Table 4-16 when selecting sprays during the last month before harvest.
Powdery mildew. For powdery mildew control after the first cover, Nova, Rubigan, Topsin-M, Elite, Indar, Orbit or fixed copper plus lime will provide the best control. Copper may cause severe injury if aphids are present.
Ethephon. See discussion in Part III: Chemical Management. Apply first cover 10 to 12 days after shuck fall spray; apply the second cover 10 to 12 days after first cover spray; apply the third cover 10 to 14 days after second cover.
Pesticide Recommendations for Tart Cherries, First, Second, Third Cover
Mites. When mites are a problem, use one of the following from Miticide Recommendations for Tart Cherries.