Quick addendum: Those wanting more detailed info on extensive field
trials related to apple replant disease in NY may want to check the
following web site
http://www.nysaes.cornell.edu/hort/fq/spring01/FQSpring01.pdf
and ready the article titled as follows:
Developing An Integrated Program for Diagnosis and Control of Replant
Problems In New York Apple Orchards
Ian A. Merwin, Rachel Byard,Terence L. Robinson, Stephen Carpenter,
Stephen A. Hoying, Kevin A. Iungerman, and Michael Fargione
Soil bioassays and fumigation were not particularly effective in NY!
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Dave Rosenberger
Professor of Plant Pathology Office: 845-691-7231
Cornell University's Hudson Valley Lab Fax: 845-691-2719
P.O. Box 727, Highland, NY 12528 Cell: 845-594-3060
http://www.nysaes.cornell.edu/pp/faculty/rosenberger/