Cotton Root Rot  (Phymatotrichopsis omnivora) is a very interesting soil-borne fungal disease.  It is one of the more serious diseases because it can infect over 2,000 species of plants and there is no treatment.  Monocotyledonous plants such as asparagus fern, lillies and grasses have field resistance but cotton, many types of crops, fruit, nut and shade trees are susceptible.