Pyrazole compounds represented by the general formula (1); salts of the compounds; and a plant disease control agent containing at least one of the compounds and salts as the active ingredient,
wherein, R is C1-C4 alkyl,
X1 is halogen,
X2 is H or halogen,
A is a direct bond, CH2, CH2CH2 and the like,
B is N3, OH, NH2, C(R23)=NR24, C(R23)=NOR24 and the like,
R23 is H, C1-C4 alkyl and the like,
R24 is C1-C6 alkyl, C1-C6 alkenyl and the like.
The compounds are highly effective against plant diseases and are safe for crops.
由通式(1)代表的
吡唑化合物;化合物的盐;以及含有至少一种化合物和盐作为活性成分的植物病害防治剂、
其中,R 是 C1-C4 烷基、
X1 是卤素
X2 是 H 或卤素、
A 是直接键、
CH2、 等、
B 是 N3、OH、NH2、C(R23)=NR24、C(R23)=NOR24 等、
R23 是 H、C1-C4 烷基等、
R24 是 C1-C6 烷基、C1-C6 烯基等。
这些化合物对植物病害非常有效,而且对作物安全。