Abstract
Abstract Field and container experiments were conducted to evaluate Gallery (isoxaben) efficacy on several common nursery and landscape weeds. Gallery was applied at rates from 0.14 to 1.1 kg ai/ha (0.125 and 1 lb ai/A). Annual grass control with Gallery generally was poor at application rates below 0.84 kg/ha (0.75 lb/A). Higher rates were needed for consistent foxtail and annual bluegrass control. Gallery controlled most broadleaf weeds at ≤0.56 kg/ha (0.5 lb/A) in field soil and a soilless potting medium. The exception was velvetleaf, which was not controlled with 1.1 kg/ha (1 lb/A). Combining Gallery with Surflan (Snapshot) at 1.1 + 3.4 kg/ha (1 + 3 lb/A) provided excellent control of all weeds tested. Equivalent weed control was obtained with a tank mix of Gallery plus Surflan at 0.28 + 3.4 kg/ha (0.25 + 3 lb/A) in 1989, suggesting that when used in combination with Surflan the rate of Gallery may be reduced relative to the comparable Snapshot rate, without sacrificing weed control.
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