Integrated Pest Management

Management of Alternaria Black Spot on Conventional and Organic Kale Grown in the Fall

Kale leaf with yellow and brown patches

Contributing Author: Dr. Anthony Keinath Black spot, also known as Alternaria leaf spot, is considered to be the most important fungal disease on organic kale in South Carolina. It tends to be more prevalent in the fall than in the spring. The primary cause is the fungus Alternaria brassicicola (AB), found worldwide on brassica crops. […]