Common Diseases of Corn and Their Control: Gray Leaf Spot
Gray leaf spot is one of two common foliar fungal diseases of corn. It is caused by either Cercospora zeae-maydis or Cercospora zeina and appears as grey rectangular, brown to…
Gray leaf spot is one of two common foliar fungal diseases of corn. It is caused by either Cercospora zeae-maydis or Cercospora zeina and appears as grey rectangular, brown to…
Caused by the bacterium, Erwinia tracheiphila, bacterial wilt affects cucumber and cantaloupe severely, squash and pumpkin less so, and watermelon rarely. The first symptom is the wilting of leaves during…
Early blight of tomato is a fungus disease usually caused by Alternaria solani or the more virulent A. tomatophila, and can also effect potatoes, peppers and other members of the…
Anthracnose is a fungal disease caused by Colletotrichum obiculare and affects certain cucurbits, including watermelon, squash, pumpkin, and cantaloupe melon as well as cucumber. Symptoms appear in mid to late…
Southern bacterial wilt of tomato is a soil-borne disease caused by the bacterium, Ralstonia solanacearum. It also affects many other plants in the nightshade family (Solanaceae), including potato, eggplant, pepper,…
Anthracnose is a fungal disease that affects tomato and potato as well as plants in several other plant families including cucumber, onion and bean. The pathogen specific to tomato, Colletotrichum…
Septoria blight is fungal disease caused by Septoria lycopersici and primarily affects tomatoes but can also infect other members of the nightshade family such as potato and eggplant. The main…
Caused by the fungus, Botrytis cinerea, gray mold is responsible for a variety of diseases including damping off and blights. It affects the flowers, fruits, stems and foliage of over…
Also known as TSWV, this viral disease infects up to 1000 different plant species including ornamentals, vegetables, field crops and weeds. It is carried by at least 9 species of…
Caused by one of three races of the fungus Fusarium oxysporum, this warm weather disease affects peppers, eggplant, potatoes, and legumes as well as tomatoes, and survives on weeds such…