Potato Research

Are Your Potatoes Hungry or Sick?

How to tell if symptoms mean diseases or nutrition deficiency Is your crop suffering from a nutrient deficiency or does it have a disease? Sometimes it is difficult to determine the specific ailment just by looking at the plant. Nutritional issues can go undiagnosed as disease symptoms are often very similar, presenting a problem for growers. In potatoes, for example, curling or stiff leaves can be symptoms of nutrient deficiencies or they can be associated with diseases. Donald Halseth, an associate professor at Cornell University in the Department of Horticulture, says the only way to determine definitively if the...