As for this invention, in order [(3S, 4R, 4aR, 6S, 6aS, 12R, 12aS and 12bS) - 3- (cyclopropane carbonyl oxy) - 6,12 - jihidorokishi - 4,6a and 12b-torimechiru - 11 - oxo - 9- (pyridine - 3 - iru) - 1,2,3,4,4a, 5,6,6a, 12a and the 12b-deka hydro - 11H and 12H-benzo [f] pirano [4,3-b] chroman - 4 - iru] mechirushikuropuropankarubokishireto and sterilization chemical compound II to prevent the blend and the pest which are included at the quantity which is effective ride together, and use of this blend in order to improve the health of the plant, and the plant multiplication which includes this blendIt regards the material.< Selective figure >It is not本発明は、[(3S,4R,4aR,6S,6aS,12R,12aS,12bS)-3-(シクロプロパンカルボニルオキシ)-6,12-ジヒドロキシ-4,6a,12b-トリメチル-11-オキソ-9-(ピリジン-3-イル)-1,2,3,4,4a,5,6,6a,12a,12b-デカヒドロ-11H,12H-ベンゾ[f]ピラノ[4,3-b]クロマン-4-イル]メチルシクロプロパンカルボキシレート及び殺菌化合物IIを相乗的に有効な量で含む混合物、有害生物を防除するため、及び植物の健康を向上させるためのこの混合物の使用、並びにこの混合物を含む植物増殖材料に関する。【選択図】なし