奈良県の促成イチゴにおけるスピノサドの殺虫効果が低いヒラズハナアザミウマの発生

抄録

We identified spinosad-resistant populations of Frankliniella intonsa (Trybom) in strawberry greenhouses in Nara city and Kashiba city. The mortality rate of the Kashiba population for spinosad commercial concentration was 6.5%, but that of the Nara population was 86.2%. This suggested that F. intonsa collected from strawberry in Nara Prefecture developed resistance to spinosad.