Brown patch affects all species of turfgrass, but is especially destructive on creeping bentgrass. It is prevalent in late summer, reaching high levels of severity in hot and humid weather.
- Fungus belonging to the phylum Basidiomycota
- Fast growing
- Right angle (T) branching pattern
- Septa near point of branching
- Constriction of hyphae near point of origin
- No spores
- Growth range = 77-95ºF, with an optimum
temperature of 95ºF
- Circular blighted patches ranging from several inches to several feet in diameter
- Tan lesions expand to involve a major portion of the leaf
- Blades maintain orignal shape, but have a dried out appearance
- Pathogen attacks roots, but more often the leaves and shoots
- Keep low nitrogen levels in soil
- Maintain good air circulation
- Chemical controls: Bayleton, Duosan, Mancozeb, etc.