The extent of the disease in the state is the worst one ISU Extension pathologist says she has ever seen. Farmers in 17 other ...

These spots begin in the late spring on the upper surface of leaves, approximately 1/8 to ¼ of an inch in diameter. Gradually, they enlarge and turn orange during the summer months.

Cedar hawthorn rust alternate hosts are junipers (primarily Eastern red cedar) and hawthorn, apple, crabapple, serviceberry, quince, and pear. The symptoms of the deciduous plants are leaf spots ...

About one week after core aerating is an ideal time for over-seeding as the newly opened holes and exposed soil allow better ...

The first observable symptoms are yellow-orange rust spots, appearing on the upper surface of leaves. On the underside of the leaves, infectious spores appear resembling a patch of yellow- to dark ...

This week's column includes advice for avoiding a common fungal disease as well as protecting sunflower seeds from hungry birds.

According to experts, over 60 Iowa counties’ corn fields are infected with the Southern Rust fungus. Farmers are busy working ...

When it comes to one of the country’s most popular perennial plants, the “big four” vexations are powdery mildew, black spot, rust and aphids, according to Jay W. Pscheidt, a plant pathology ...

Figure 1. Multiple gray leaf spot lesions (tan with yellow halos) found lower leaves in canopy of a field of continuous corn, surrounding a single tar spot (black arrow). Photo credit. Darcy Telenko ...

Rusted blades can damage plant stems and leaves, potentially spreading diseases. Fortunately, keeping your garden tools rust-free is easier than it may seem.

Southern Corn Rust:Southern corn rust was officially confirmed in Posey County this week. We currently have two positive counties and one probable in Indiana.We need your help– if you are out scouting ...