Cornell University

401 Brooks Hall

401 Brooks Hall

Forestry CommissionNorthern Research StationRoslin, Midlothian, UK EH25 9SY

Iowa

Ege University Faculty of Agriculture Department of Plant Protection Bornova, 35100-IZMIRTurkey

Infruitec

Dept. of Plant PathologyAcademy of AgricultureSlowackiego 17PL-71434, Szczecin, Poland

University of MichiganAnn Arbor, MI

University of MichiganAnn Arbor, MI