A 1,2-benzoisothiazole derivative or a salt thereof is not harmful to a crop and is remarkably effective against agricultural or horticultural plant diseases such as
Pyricularia oryzae, Septoria nodorum, Pseudoperonospora cubensis
and
Colletotrichum orbiculare
, and an agricultural or horticultural plant disease-controlling agent containing the derivative or its salt as an active ingredient. The 1,2-benzoisothiazole derivative is represented by the general formula [I]:
(wherein R
1
is a hydrogen atom or a halogen atom, and R
2
is a methyl group or a halogen atom), or a salt thereof.
一种1,2-苯并
异噻唑衍
生物或其盐对作物无害,并且对农业或园艺植物病害(如稻瘟病、小麦黑斑病、黄瓜霜霉病和圆孔病等)有显著的防治效果。包含该衍
生物或其盐作为活性成分的农业或园艺植物病害控制剂。1,2-苯并
异噻唑衍
生物由通式[I]表示:(其中R1为氢原子或卤素原子,R2为甲基基团或卤素原子),或其盐。