In the quiet world of nursery production and home gardening, few pathogens are as persistent—or as devastating—as ( Berkeleyomyces basicola , formerly Thielaviopsis basicola ). This soil-borne fungus operates in the shadows, attacking the plant's foundation and turning healthy, white root systems into decayed, blackened messes, leading to stunted, wilted, or dead plants. The Anatomy of an Infestation
Black root rot thrives in cool, wet, and often alkaline (higher pH) soil conditions. It is a versatile pathogen, affecting a wide range of plants, including: black root rot fungus
Hollies (especially Ilex crenata ), Boxwood, and Citrus. Crops: Tobacco, Cotton, Carrots, and Lettuce. In the quiet world of nursery production and