Authors: DIFONZO CD RAGSDALE DW RADCLIFFE EB GUDMESTAD NC SECOR GA

Citation: Cd. Difonzo et al., SEASONAL ABUNDANCE OF APHID VECTORS OF POTATO-VIRUS-Y IN THE RED RIVER VALLEY OF MINNESOTA AND NORTH-DAKOTA, Journal of economic entomology, 90(3), 1997, pp. 824-831

Authors: DIFONZO CD RAGSDALE DW RADCLIFFE EB GUDMESTAD NC SECOR GA

Citation: Cd. Difonzo et al., CROP BORDERS REDUCE POTATO-VIRUS-Y INCIDENCE IN SEED POTATO, Annals of Applied Biology, 129(2), 1996, pp. 289-302

Authors: DIFONZO CD RAGSDALE DW RADCLIFFE EB

Citation: Cd. Difonzo et al., POTATO LEAFROLL VIRUS SPREAD IN DIFFERENTIALLY RESISTANT POTATO CULTIVARS UNDER VARYING APHID DENSITIES, American potato journal, 72(2), 1995, pp. 119-132

Authors: DIFONZO CD RAGSDALE DW RADCLIFFE EB BANTTARI EE

Citation: Cd. Difonzo et al., SUSCEPTIBILITY TO POTATO LEAFROLL VIRUS IN POTATO - EFFECTS OF CULTIVAR, PLANT-AGE AT INOCULATION, AND INOCULATION PRESSURE ON TUBER INFECTION, Plant disease, 78(12), 1994, pp. 1173-1177