Rhizoctonia solani (teleomorph: Thanatephorus spp.) is a plant pathogenic fungus with a wide host range and worldwide distribution. This plant pathogen was discovered more than 100 years ago. R. solani frequently exists as thread-like growth on plants or in culture, and is considered a soil-borne pathogen. R. solani is best known to cause various plant diseases such as collar rot, root rot, damping off and wire stem. R. solani attacks its hosts when they are in their juvenile stages of development such as seeds and seedlings, which are typically found in the soil. It makes sense then that this saprophytic pathogen would live and survive in the soil and attack the part of its hosts that reside there. The pathogen is known to cause serious plant losses by attacking primarily the roots and lo