Brown rot surprises cherry growers

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

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  • June 1st, 2010

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  • NW questions cherry fruit fly quarantine

NW questions cherry fruit fly quarantine

  • June 1st, 2010

The western cherry fruit fly has not been found in California’s cherry-growing districts.

State officials in Oregon and Washington say ­California’s quarantine requirements for the Western cherry fruit fly are unjustified.

Helmuth Rogg, supervisor of the Oregon State Department of Agriculture’s Insect Pest Prevention and Management Program, said California has imposed [...]

Quarantine alternative

  • June 1st, 2010

Dr. Wee Yee, entomologist with the U.S. Department of Agriculture in Yakima, Washington, is conducting research to assess the likelihood of cherry fruit fly becoming established in certain overseas markets that are concerned about potential infestations of the pest, such as Indonesia and Thailand. Dr. Lisa Neven is cooperating [...]

  • Moth poses little risk in Taiwan

Moth poses little risk in Taiwan

  • May 15th, 2010

Dr. Lisa Neven is studying the survival of codling moth larvae in tropical conditions.

There is little risk of codling moth larvae shipped in apples to Taiwan resulting in the pest becoming established in that country, research by Dr. Lisa Neven, insect physiologist at the U.S. Department of Agriculture’s research [...]

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  • May 15th, 2010

BIRD CONTROL
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Stop bird damage. The American kestrel falcon is now looking for a home. Owl boxes and bat boxes also available. Call Ben at [...]

  • Preventing pear rot

Preventing pear rot

  • May 15th, 2010

Dr. David Sugar, plant pathologist at Oregon State University, says the nitrogen and calcium levels in the orchard can affect the potential for decay in pears after harvest.

Orchard management can play an important role in ­minimizing postharvest decay in pears, says Dr. David Sugar, pathologist with Oregon State University [...]

  • Protect trees from weeds and pests

Protect trees from weeds and pests

  • May 15th, 2010

Control weeds while they’re small and easy to kill, so they don’t compete with the young trees.

In a new orchard, weeds have every condition they need to thrive and compete with the trees—full sun, regular moisture, and nutrients. Keep a sharp eye on the weeds right from the start [...]

  • Wasps ruin cherry crop

Wasps ruin cherry crop

  • May 15th, 2010

The European paper wasp looks similar to a yellow jacket, but has a narrower body and longer hind legs.

Cherry growers in British Columbia, Canada, are battling a pest that last year forced several of them to walk away from their crop before ­picking.

The European paper wasp (Polistes dominulus) was [...]

  • Meeting the organic challenge

Meeting the organic challenge

  • May 1st, 2010

Harry and Jackie Hoch (center) gather in their orchard for a family photo on Easter weekend, where unusual 80-degree weather advanced the season, requiring sprays for disease control on the apricots and plums. With them are Harry’s mother, Jackie Senior, and their daughters Missy (far left) and Angi.
Photo [...]

  • Woolly apple aphid

Woolly apple aphid

  • May 1st, 2010

Syrphid fly larvae attack woolly apple aphids.

The woolly apple aphid overwinters as a nymph on the roots of apple trees, but can also overwinter on the aboveground part of the tree in protected areas on the trunk or main limbs.

In the spring, overwintering aphids produce live young that migrate [...]

  • Solving the woolly apple aphid

Solving the woolly apple aphid

  • May 1st, 2010

Washington Fruit and Produce Company planted alyssum between the rows of this new orchard to attract syrphid flies, which are good predators of woolly apple aphid.

Dain Craver’s plan to produce potted apple trees to sell to city residents was almost derailed by a bad infestation of woolly apple aphids.

Craver, [...]

Growers surveyed on pest practices

  • May 1st, 2010

Washington apple growers are adopting new pest ­management strategies and technologies including safer chemistries, in accordance with the U.S. Environmental Protection Agency phaseout of ­azinphos-methyl (AZM-Guthion) in tree fruits. Because the new chemistries require more precise timing and better spray coverage, use of predictive models and improved application delivery [...]