Bacterium malvacearum, the causative agent of ‘black-arm’, or angular leaf-spot disease of the cotton plant, has been described in certain recent papers as capable of producing a systemic ...

A new disease is plaguing cornfields across the Midwest. Phyllachora maydis is the fungus that causes a corn disease called ...

Frogeye leaf spot (FLS), caused by Cercospora sojina, is a serious disease affecting soybeans and can cause more than 30% yield loss if not properly managed. First reported in the United States in ...

A Pennsylvania state forestry expert says native pests are causing troublesome impacts to several valuable tree species.

Goss’s wilt and leaf blight is caused by clavibacter nebraskensis, a bacterium named after Nebraska, where the disease was ...

Two other fungal diseases, early blight and anthracnose, are also significant diseases in Illinois tomato fields. All three ...