A Stewardship Program for Using Fungicides and Antibiotics in Apple Disease Management Programs. ALAN L. JONES, Department of Botany and Plant Pathology and the Pesticide Research Center, Michigan State University, East Lansing 48824.. Accepted for publication 19 December 1994. 1995 The American Phytopathological society. DOI: 10.1094/PD-79-0427.