Rate 0.0625 to 0.075 lb ae/A
Time Apply as a spot treatment to actively growing dodder in non-Roundup Ready alfalfa.
Remarks A properly calibrated sprayer is required to make an accurate application.
Caution Do not spray more than 10% of the field to be harvested. If applied incorrectly, alfalfa will be injured or killed in treated areas. Do not graze or harvest within 14 days after application.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted
pendimethalin (Prowl H2O)
Rate 1.9 to 3.8 lb ai/A (2 to 4 quarts/A Prowl H2O)
Time Apply to established alfalfa between January 15 and April 30, but before dodder germinates.
Remarks Controls most annual grasses and, in addition to dodder, certain broadleaf weeds as they germinate. For optimum dodder control, use 3 to 4 quarts/A product.
Caution Do not apply to seedling alfalfa. Do not exceed 4 quarts/A of product per year. Do not harvest for forage or hay for at least 50 days after application. Refer to label for crop rotation restrictions.
Site of action Group 3: microtubule assembly inhibitor
Chemical family Dinitroaniline