Discover the key factors that increase the risk of gray leaf spot and the most efficient timing for fungicide application.

When the leaf sheaths are peeled back at the top of the affected plants, shiny black lesions can be observed on the outside of the stalk. Under appropriate conditions a salmon-colored gel can be seen ...

Leaf blades, sheaths, and ear husks may show symptoms on susceptible hybrids. Early symptoms appear as long, narrow tan lesions running parallel to the leaf veins. As the disease develops, these ...

“That makes gray leaf spot an excellent fit for most of the Corn Belt, especially in river bottoms.” GLS lesions are gray and rectangular in shape. “The lesions remain between the leaf veins ...

Infection often occurs first on older leaves of plants, causing yellow leaf lesions. Anthracnose is a common fungal disease of annual bluegrass putting greens in the United States. Previous ...

The first symptoms of the disease in the field are small light to dark green circular to irregular-shaped water-soaked lesions on the potato plant’s leaves. The circular or irregular leaf ...

L biglobosa causes darker leaf spots – with few pycnidia – and is associated with upper stem lesions. A monocyclic pathogen, phoma stem canker is a disease that comes from the debris and ...