Herbicides For Onion Weed Control. Multiple applications of oxyfluorfen at 35 and 18 g. The delayed preemergence treatment maintains preemergence herbicide activity for one to two more weeks during the critical early growth stages of onion. Nortron is useful for improving weed control in onion but in this trial did not provide greater benefits than the currently registered herbicides. They are slow growing and can suffer from successive flushes of weeds.
Onion dry bulb Broadleaf weeds. The following herbicides are recommended for use in controlling onion weeds. Multiple applications of oxyfluorfen at 35 and 18 g. Loken and Harlene M. They have narrow upright leaves which do not shade out weeds that emerge in the rows. Soil and onion leaves should be dry before application.
Nortron is useful for improving weed control in onion but in this trial did not provide greater benefits than the currently registered herbicides.
This will also help avoid injury to the crop. It has different chemistry than Dual Magnum and is active at lower rates. GoalTender is less active as a burndown herbicide is most effective on young weeds and causes less damage to crop foliage than the 2XL formulation. Weed control and crop tolerance. Onion dry bulb Broadleaf weeds. Goal 2XL should not be used at the one leaf stage because it can injure the onions.