논문 상세보기
Identification and evaluation of Beauveria bassiana ARP14 against Riptortus pedestris (Hemiptera: Alydidae) and its parasitoids
An entomopathogenic fungus, Beauveria bassiana ARP14, was isolated from field collected Riptortus pedestris (F.). Lethal concentration of ARP14 was compared with commercialized GHA strain against R. pedestris and its egg parasitoids Ooencyrtus nezarae Ishii and Gryon japonicum (Ashmead). Mortality and infection rate were evaluated in five concentrations, i.e., 1×10 9 , 1×10 8 , 1×10 7 , 1×10 6 , and 1×10 5 conidia/mL using glass scintillation vial. The LC50 of 2nd, 4th instar, and adult stage of R. pedestris was not different between the two strains. The infection rate of ARP14 was higher than that of GHA in 4th instar and adult stage in 1×10 8 conidia/mL. The infection rate was low in ARP14 than GHA in both egg parasitoids. Therefore, our results suggest that the ARP14 strain can be used against R. pedestris with less negative effect on egg parasitoids than GHA strain.
