| 摘要 |
Control of weeds in crops, especially in sugar beets, oilseed rape, cole crops, lentils, flax and safflower is, accomplished with an effective amount of a compound of the formula: <CHEM> wherein R1 is H, CH3 or CH2CH3; R2 is H or CH3; X is OCH3 or OCH2CH3; and Y is NHCH3, N(CH3)2, N(CH3)OCH3, OCH3, OCH2CH3, OCH2CF3, CH2CH3, CH(CH3)2 or cyclopropyl; and their agriculturally suitable salts. a |
