1. United States Environmental Protection Agency “Alert: azoxystrobin found to be phytotoxic to certain varieties of apples. Pesticide Education Program at Penn State” State College, PA, www.oested.nsu.edu. (1999)
2. Syngenta Professional ProductsLabel for Abound®Flowable Fungicides(Wilmington, DE, 2002)
3. Syngenta Professional ProductsLabel for Heritage®Flowable Fungicide(Wilmington, DE, 2002)