Research in Plant Disease 2005;11(2):167-172.
Published online December 30, 2005.
Ampelomyces quisqualis 94013의 오이 흰가루병균 기생에 영향을 미치는 환경조건과 기주범위
이상엽, 류재당, 김홍기
Environmental Factors Affecting Parasitism to Cucumber Powdery Mildew Fungus, Sphaerotheca fusca by Ampelomyces quisqualis 94013 and Its Host Range
Sang Yeob Lee, Jae Dang Ryu, Hong Gi Kim
An isolate of Ampelomyces quisqualis 94013 was selected as an effective parasite for biological control against cucumber powdery mildew. Temperature range for the parasitism of A. quisqualis 94013 against cucumberpowdery mildew was 12~30℃, and optimal temperature for that 20~28℃. In 20~35% humidity of the greenhouse, parasitic ability of A. quisqualis 94013 against Sphaerotheca fusca was not good. Inoculation tests revealed that A. quisqualis 94013 can parasitize on six species of Sphaerotheca in the 12 crops and Erysiphe cichoracerum in tomato. As host rang of A. quisqualis 94013 was broad and it may be used effectively as a biocontrol agent for powdery mildew of 13 crops.
Key Words: Ampelomyces quisqualis 94013, Biological control, Cucumber powdery mildew, Host range, Parasitism

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