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Show Spray your apple trees now For more information on when and what to spray on your trees, contact your county USU Extension Exten-sion agent. Imidan or Zolone, which lasts for 21 days. Home growers can use Imidan or Zolone. Keep spraying every cycle of the pesticide until you pick the apples. As with all pesticides, carefully read and follow fol-low label directions. Whether you have a single backyard back-yard tree or a whole orchard, you should consider spraying, because "if you have apple trees, you're going to get codling moths," says Karren. If you want worm-free apples this fall, it's time to begin spraying your apple trees for codling moths. Jay Karren, Utah State University Univer-sity Extension entomologist, says apple growers in Utah should plan to begin spraying their trees May 9-12. Because of the early warm weather this year, all areas of the state are fairly close together. USU Extension entomologist Vince Jones says commercial growers can spray with Guthion, |