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 [...]

  • Pests ­modified with lethal genes

Pests ­modified with lethal genes

  • November 18th, 2013

A  British biotechnology company is developing a novel new way to control insect pests. Called RIDL, which stands for Release of Insects with Dominant Lethality, it works somewhat like sterile insect releases.

Instead of using radiation to create sterile male insects that mate ineffectively with females, lethal genes inserted into a [...]

  • Preparing for change

Preparing for change

  • October 18th, 2013

When Dr. Stefano Musacchi arrived in Washington State in August, he knew the expectations were high.

Musacchi, a world-renowned pomologist from Italy, was appointed to a new position at Washington State University created with funding from a special grower assessment to enhance tree fruit research.

Musacchi arrived with plenty of ideas [...]

Michigan growers asked to support research

  • October 17th, 2013

The Michigan tree fruit industry is exploring the idea of creating a commission to collect money from growers to strengthen research efforts.

The new Michigan Tree Fruit Commission would be authorized to collect assessments from the state’s apple and cherry growers to maintain and improve Michigan’s four tree fruit research [...]