That’s why researchers in the sugarbeet space decided to run trials to see if they could make sugarbeet farmers' lives and work in the fields a little bit easier. Eric Branch, North Dakota State University Extension and University of Minnesota sugarbeet pathologist, was able to take part in the research. Eric Branch is a North Dakota State University Extension and University of Minnesota Extension sugarbeet pathologist. While the dry weather in North Dakota slows down disease development, it does not stop cercospera leaf spot. More sugarbeet news:“Here in North Dakota, we don't need rainfall to have cercospera leaf spot, so we are seeing spots already.