Brown rot surprises cherry growers

Tart cherry growers need to watch out for European brown rot as bloom arrives.

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Too hot to handle

  • January 21st, 2014

Pyrethroid barrier trunk sprays have proven effective against cutworms in Washington State, but for growers who want to avoid using pyrethroids, an organic alternative is looking pretty “hot” in research trials.

The industrywide adoption of trunk barrier sprays for cutworms has greatly helped reduce the use of pesticides by Washington [...]

Monitoring, managing codling moth clearly and precisely

  • January 21st, 2014

A research report from Alan Knight, USDA–Wapato; Loys Hawkins and Kathleen McNamara, Bear Creek Orchards, Oregon; and
Rick Hilton, Oregon State University

Today, growers have a number of tools to effectively manage codling moth, including sex pheromones, granulovirus, three classes of insect growth regulators, and eight classes of synthetic insecticides [...]

  • Attack when pest defenses are down

Attack when pest defenses are down

  • November 18th, 2013

Research findings at the University of California, Davis, might help growers apply insecticides to control spotted wing drosophila when the insect is the most vulnerable.

The pest, Drosophila suzukii, infests soft-skinned fruits, including cherries, peaches, grapes, and various berries. It is not controlled by the GF-120 bait commonly used to [...]