Nik Wiman, Jay W. Pscheidt and Marcelo Moretti EM 8418 | Revised April 2023, Reviewed 2023 Download PDF SummaryLearn the latest recommendations for insect, mite and disease control in Willamette Valley apple orchards. About the authors Nik Wiman Orchard Crops Specialist Jay W. Pscheidt Professor and Statewide Extension Plant Pathology Specialist Marcelo Moretti Assistant Professor