한지형 잔디의 종과 품종 간에 황색마름병의 발생 평가

We investigated occurrence of yellow patch for early spring season of 48 cultivars in 5 species of turfgrass, most popularly used in Korea golf courses. Only yellow patch disease caused by Rhizoctonia cerealis was occurred naturally from late fall season. Perennial ryegrass and creeping bentgrass cultivars showed susceptibility from yellow patch in early spring ,respectively. However, among There was no significantly different between the other species. Creeping bentgrass, ‘Pennlinks ∏’ cultivar was the most susceptible. Yellow patch symptom showed reddish brown with margins in color and patch showed size from 5 ㎝ to 50 ㎝ in diameter. Based on our results, Yellow patch showed large differences among cultivar and each turfgrass species.