| 摘要 |
[Task] The present invention is to provide a 3,4-dihalogenoisothiazole derivative or a salt thereof which is not harmful to a crop and is remarkably effective on an agricultural or horticultural plant disease such as rice blast disease, cucumber anthracnose, wheat powdery mildew and wheat glume blotch, etc., and, an agricultural or horticultural plant disease-controlling agent containing the derivative or its salt as an active ingredient. [Means] A 3,4-dihalogenoisothiazole derivative represented by the general formula [I]
(wherein R 1 is a halogen atom; A is an oxygen atom or a sulfur atom; and R is a C 1 -C 6 alkyl group, a C 2 -C 5 alkenyl group, a C 2 -C 5 alkynyl group, a C 3 -C 6 cycloalkyl group, a phenyl group or a 5- to 10-membered heterocyclic group containing at least one of oxygen atom, sulfur atom and nitrogen atom), or a salt thereof. |
