Abstract
Abstract CME-13411 alone and tank mixed with NR 440 oil were compared with experimental DPXEY059 and the standard acaricide, Vendex. Acaricide treatments were randomly assigned to 5-tree plots and replicated 3 times in a 26-yr-old grapefruit orchard on 16 ft × 25 ft spacing. Treatments were applied initially on 20 May and reapplied 14 Jul, using a FMC 1229 FTM air blast sprayer with speed, nozzling and pressure adjusted for a spray volume of 250 gal/acre. Citrus rust mite were counted in 2, 1-cm2 lens fields at 10 × on each of 25 fruit per replicate randomly selected at arms length inside the tree canopy. At harvest, 75 fruit per replicate were evaluated for rust mite damage and expressed as percent russet, i.e. fruit surface damage severe enough to be downgraded to US #2 fresh or process fruit.
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