Issue link: http://read.dmtmag.com/i/54939
—Pink to 25 percent bloom: 0.5 – 1.0 lb per acre —First petal fall to 50 percent petal fall: 0.25 – 0.75 lb per acre When risk of potential injury from copper becomes high, he recommends lowering the rate and adding antibiotics. —First shuck-split to 50 percent shuck-split: FireLine 17WP or Mycoshield 0.75 – 1.0 lb may be tank-mixed with 0.10 – 0.20 lb copper per acre. —Shucks off: FireLine 17WP or Mycoshield at 0.75 lb per acre may be tank-mixed with 0.10 – 0.20 lb copper per acre. —Additional sprays as needed based on weather and disease conditions. Time of applications is critical; sprays should be applied prior to rainfall but with sufficient time for the chemicals to dry, he said. "Discontinue copper if unacceptable injury occurs," he added. "Antibacterial activity of oxytetracycline has a short period of a few days and is readily washed off with rainfall." The earliest lesions on fruit that develops bacterial Severe bacterial spot infection can cause early defoliation, resulting in smaller fruit, sunburn, and cracking, and reduced vigor and hardiness in trees. equivalent (MCE) and application rate is 100 gallons per acre): —Dormant bud to bud swell: copper 1.0 - 2.5 lb per acre —Bud burst (top of buds have opened) to ¼-inch green: 0.75 to 1.25 lb per acre spot are seen about three weeks after petal fall. Developing fruit lesions have a water-soaked appear- ance, sometimes gummy, with a small necrotic area in the center, he said. As the lesions mature, they turn brown to black and enlarge. Infections during petal fall develop into large, open lesions that extend deep into the fruit flesh, sometimes almost to the pit by harvest. Infections after initiation of pit hardening usually remain near the fruit surface. These shallow lesions may coalesce, resulting in skin cracking. • Rainier we've got the to cherry trees, When it comes top picks. Consistent, Season-Long Codling Moth Control NoMate® CM Spiral is superior by design and performance for codling moth mating disruption in apple and pear orchards. No competing product goes on more easily, works harder, or gets better results. Pest-Effective: • Season-long mating disruption • More starting active ingredient • 20% more pheromone released during the growing season Cost-Effective: • Season-long control with one application • Hand-application costs cut in half; no labor-intensive twist-ons • Minimal regulation • No harm to beneficial insects • No girdling losses For more information, call 1-800-735-5323 or visit www.scentry.com. www.goodfruit.com 741 Sunset Road, Brentwood, CA 94513 800.634.1671 (Alison Clegg or Richard Chavez) 877.457.6901 (Henry Sanguinetti) Fax 925.634.6040 GOOD FRUIT GROWER FEBRUARY 15, 2012 31 Slip-on NoMate® CM spirals consistently release volatilizing solid-matrix pheromone through flexible PVC dispensers. Female moth scent plumes are overwhelmed, thwarting male moth mating efforts. 610 Central Avenue Billings, MT 59102 (406) 248-5856 1-800-735-5323 www.scentry.com NoMate® CM Spiral is designed, manufactured, and supported in the United States by Scentry Biologicals, Inc., maker of the first pheromone-based product approved by the U.S. EPA. From the early Coral Champagne variety with its flavorful, deep red-wine fruit, to the Rainier, which produces delicate, golden gems, ProTree Nurseries has the cherry varieties and rootstocks that you are looking for. Call us today to place your order for delivery from the following tree varieties: Benton™® Brooks™®™ ™ ®® ™™® ™™ ®, Krymsk®, *Not all varieties are available on all rootstocks. Call for specific grafting information. david ritchie