SOIL- OR SEED-TREATING AGENT COMPRISING QUINOLINE COMPOUND OR SALT THEREOF AS ACTIVE INGREDIENT, OR METHOD FOR CONTROL OF PLANT DISEASE USING THE SAME

摘要

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.