January 15th 2006 Issue

New York’s Cornell/Geneva apple rootstocks

Breeding improved apple rootstocks has been a priority research area in New York State since Dr. Jim Cummins and Dr. Herb Aldwinkle initiated crosses in 1970. In 1998, the rootstock program became a joint Cornell/U.S. Department of Agriculture program and is now headed by Dr. Gennaro Fazio. The focus of the program has been to create rootstocks that are resistant to the major apple diseases, fireblight (Erwinia amylovora) and crown rot (Phytophthora cactorum), tolerant to a wide range of soils, and provide a wide range of vigor classes for all orchard situations. New rootstocks need to be precocious, productive, and […]

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January 15, 2006

Good Fruit Grower

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