To provide a composition having excellent controlling efficiency on plant pathogenic microorganism, and a plant pathogenic microorganism-controlling method.SOLUTION: There is provided a plant pathogenic microorganism-controlling composition containing a compound represented by the formula (1), and one or more component selected from a group (a) consisting of an insecticidal component, a miticidal component, and a nematocidal component, a bactericidal component (b), a plant growth regulator (c), a chemical injury reducer (d), a synergist (e), a repellent (f), a molluscicide (g), insect pheromone (h), a herbicidal component (i), and a microorganism material (j).SELECTED DRAWING: None【課題】植物病原性微生物に対する優れた防除効力を有する組成物及び植物病原性微生物防除方法の提供。【解決手段】式（１）で表される化合物と、殺虫活性成分、殺ダニ活性成分及び殺線虫活性成分からなる群(a)、殺菌活性成分(b)、植物成長調整成分(c)、薬害軽減成分(d)、共力剤(e)、忌避成分(f)、殺軟体動物成分(g)、昆虫フェロモン(h)、除草活性成分(i)、微生物資材(j)の中から選ばれる１種以上の成分とを含有する植物病原性微生物防除組成物。【選択図】なし
