| abstract |
Disclosed is a soil- or seed-treating agent having an excellent controlling effect against various plant pathogenic bacteria (particularly, rice blast disease). The soil- or seed-treating agent comprises at least one compound represented by the general formula (Ia), (Ib) or (Ic) or a salt thereof as an active ingredient. (Ia) (Ib) (Ic) wherein R1, R2: a C1-C6 alkyl (which may be substituted), an aryl (which may be substituted), a heteroaryl (which may be substituted) , an aralkyl (which may be substituted), or the like; R3, R4: H, a C1-C6 alkyl (which may be substituted), a halogen, a C1-C6 alkoxy, or the like; X: a halogen, a C1-C6 alkyl (which may be substituted), a C2-C6 alkenyl (which may be substituted), a C2-C6 alkynyl (which may be substituted), an aryl (which may be substituted), a heteroaryl (which may be substituted), a C1-C6 alkoxy, or the like; Y: a halogen, a C1-C6 alkyl, a C1-C6 alkoxy or OH; n: 0 to 4; m: 0 to 6. |