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
