| abstract |
PROBLEM TO BE SOLVED: To provide a quinoline derivative having an excellent herbicidal effect on useful crops and a high selectivity between crops and weeds. SOLUTION: The general formula [I] In the formula, R 1 represents a hydrogen atom, an alkyl group, a haloalkyl group, a halogen atom, or the like; R 2 represents a hydroxyl group, a halogen atom, an alkoxy group, etc., R 3 , R 4 , X 1 and X 2 represent a hydrogen atom, an alkyl group, etc., and Y and Z represent an oxygen atom, CR 3 R 4 etc. And n represents an integer of 1 to 6. And a salt thereof, and a herbicide containing the quinoline derivative as an active ingredient. |