In 7DAA F4142-2 0.3% G achieved a higher level than Machete (Butachlor 5 G) for control against LUDSS but in 14DAA Machete (Butachlor 5 G) increased efficiency than F4142-2 0.3% G. The same as F4142-2 0.3% G efficacy increased to very high in very rate and near total control LUDSS at the assessment period ) in field where seeding rice is transplanted