Abstract

Abstract Materials were tested for efficacy against the citrus bud mite in a 23-year-old lemon grove (NW-SE rows, 24 ft × 19 ft spacing) in Field 7 of the U.C. South Coast field Station near Irvine, CA. Treatments were applied May 26 using a Kinkilder low-volume mist sprayer with attached 10-foot citrus tower at approximately 100 gal per acre. Each material was applied to 2 adjacent 16-tree rows with 4 trees randomly chosen for each material as permanent data trees. Four young terminals were chosen from each sample date from the inner row side of each data tree. On each terminal, 5 buds were dissected and the percent infested buds was calculated.

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