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Relative Susceptibility of Selected Apple Cultivars to Sooty Blotch and Flyspeck

A. R. Biggs, D. R. Cooley, D. A. Rosenberger, and K. S. Yoder

July 2010


Incidence data for sooty blotch and flyspeck (SBFS), apple diseases caused by a complex of fungi that includes Schizothyrium pomi, Peltaster fructicola, Leptodontidium elatius, and Geastrumia polystigmatis, were collected from planting groups of new apple cultivars and selections planted as part of the NE-183 Multistate Project. SBFS incidence on fruit was analyzed, and data from sites in Massachusetts, New York, and Virginia were compared to determine if there were differences among cultivars.


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