Pathogen: Puccinia spp.

Host: Kentucky Bluegrass, Perennial Ryegrass, Tall Fescue

Environmental Requirements: slowed growth from low fertility, cool weather

Stand Symptoms: non-patterned yellowing

Plant Symptoms: leaves yellowed around pustules

Fungal Signs: pustules and rust colored spore masses on the leaves and stems

Environmental Modification: balanced N-P-K fertilization, mow every week

Plant Resistance: plant resistant varieties