| effect of maize hybrid and foliar fungicides on yield under low foliar disease severity conditions. | foliar fungicide use in the u.s. corn belt increased in the last decade; however, questions persist pertaining to its value and sustainability. multistate field trials were established from 2010 to 2012 in illinois, iowa, ohio, and wisconsin to examine how hybrid and foliar fungicide influenced disease intensity and yield. the experimental design was in a split-split plot with main plots consisting of hybrids varying in resistance to gray leaf spot (caused by cercospora zeae-maydis) and northern ... | 2015 | 25760523 |