If your tree is looking a little tired with the leaves curling up and falling off, or the needles on your pine turning brown, it could be a disease. But, it can be hard to diagnose the problem and treatment options are often limited. On this horticulture day, Host Emily Woodbury talks with Laura Jesse from the Plant and Insect Diagnostic Clinic and Extention Horticulturist Richard Jauron about the plant and insect problems we're seeing in Iowa this year.