PROBLEM TO BE SOLVED: To provide a novel agricultural and horticultural insecticide and a method of using the same, in crop production in agriculture, gardening, and the like, for coping with factors such as an outbreak of harmful insects resistant to existing chemicals, thereby reducing damage due to harmful insects and the like that is great even now.SOLUTION: Provided is an imidazopyridazine compound and salts thereof represented by general formula (1), where R1 is an alkyl group, R2 is a halogen atom or cycloalkyl group, R3 is an alkyl group, R4 is a haloalkyl group, and m is from 0 to 2.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】農業及び園芸等の作物生産において、害虫等による被害が今なお大きいことから、既存薬に対する抵抗性害虫の発生等の要因から新規な農園芸用殺虫剤並びにその使用方法の提供。【解決手段】一般式(1)で表されるイミダゾピリダジン化合物又はその塩類。{R1はアルキル基;R2はハロゲン原子又はシクロアルキル基;R3はアルキル基;R4はハロアルキル基;mは0~2}【選択図】なし
