Category Archives: Diseases

Clubroot

Clubroot is caused by the soil-borne fungus Plasmodiophora brassicae, and it is the most serious disease of the brassica family. Physical Description Very serious problem where fungus attacks roots and kills the plant Google images of clubroot Species & Taxonomy Kingdom: Rhizaria Phylum: Cercozoa Class: Phytomyxea Order: Plasmodiophorales Family: Plasmodiophoraceae Genus Species: Plasmodiophora brassicae Lifecycle spores are […]

Soft Rot

Quick Intro Physical Description Bacterial disease of the fruit or tubers of a vegetable, characterized by watery and soft decay of the tissue. Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: caused by several types of bacteria, but most commonly: Erwinia Pectobacterium Pseudomonas Lifecycle These pathogenic bacteria can grow at a wide range […]

Powdery Mildew

Powdery mildew on Lavender Bergamot (Monarda fistulosa)

Powdery mildew is a common fungal disease that effects many types of plants, and is fairly easy to manage. It causes poor growth and lower yields, but seldom kills the plant. There are many different species of powdery mildew that cause the disease on many different species of plants. See list of species and their […]

Bacterial Leaf Spot

Google Images Physical Description In peppers, raised brown spots that look like warts, sometimes appearing water-soaked In brassicas (cabbage, broccoli, cauliflower, etc), infections start as small, dark specks on leaves. As the disease develops, numerous water-soaked leafspots appear. Leafspots remain small (0.125 inch in diameter). Older leafspots turn tan and may or may not have […]