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Authority 480 provides excellent residual activity on challenging weeds like kochia, redroot pigweed, lamb’s quarters, wild buckwheat and cleavers. Give your crop the clean start that it deserves with Authority 480.
Chemical Group: Group 14
Registered and Supported Tank Mixes: Nu-Image and other imazethapyr products.
Timing: Authority® 480 herbicide alone, or in the recommended tank-mixes, may be applied to the soil surface as a broadcast spray after planting of the crop, but prior to weed or crop emergence.
Pre-emergence application may be made in all tillage systems (conventional, conservation, minimum, ridge, etc.).
Rainfall and/or overhead sprinkler irrigation is necessary to move Authority® 480 herbicide into the upper soil surface where weed seeds germinate.
|Rotational Crop||Replant Interval (Months)|
|Corn, sweet and pop||24|
|Spring and durum wheat||12|
|Tame mustard||Anytime (low rate only)|
Application Information: Apply pre-plant or post-seed (up to 3 days after seeding). Early application (pre-plant) increases activation potential via spring showers. Post seed application should be considered in higher disturbance situations. Clean out tank after using Authority® 480 herbicide. When spraying Authority® 480 herbicide for multiple days, at the end of each day, rinse tank with water and leave 1/3 full of water overnight.
Rates and Packaging: 4 x 3.79 L jugs per case. Each 3.79 L jug treats 32 – 43 acres per jug.
Water Volume: 10 gal/ac provides best uniform soil coverage with medium to coarse droplet sizes.
Tank Mixtures: Fill spray tank one-half to two-thirds full with water. With agitator operating, add the recommended amount of ingredients using the WAMLEGS order:
Wettable powders, dispersible granules, soluble granules (WG, DF, SG, WP, SP)
Agitate tank mix thoroughly
Micro-encapsulated suspensions (ME)
Liquid flowables and suspensions (SC, SL, SN, Li, SU, SE)
Emulsifiable concentrate formulations (EC)
Fill spray tank nearly full with water
Complete filling the spray tank to the desired level
|Crop Rotation: Black and Grey Wooded Soils|
|Internal prior to planting (months)|
DO NOT USE ON SOILS WITH pH GREATER THAN 7.9.
One black and grey wooded soils of pH 7.5 or lower, fescue may be planted in 10 months. Alfala, red clover, peas and flax may be planted 22 months following applications of Ally® herbicide.
AB, MB, NT, SK, YT