This publication answers several questions that may be asked to help interpret soil sample results. Topics include how to relate sample results to management options, why follow-up greenhouse tests are necessary for samples with low SCN egg counts, and what a negative SCN test result means.
Entomology; Plant Pathology and Microbiology
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Gregory L. Tylka, Paula Flynn and Julie Todd. "Interpreting SCN Soil Sample Results" (2013)
Available at: http://works.bepress.com/gregory-tylka/160/