Brown rot surprises cherry growers

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

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  • 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

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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 [...]

  • 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 [...]

Classified Ads, APRIL 15, 2010

  • April 15th, 2010

BIRD CONTROL
WILSON IS THE LEADER in custom bird netting programs for all types of crops. Full line of bangers and bird ­irritant items. Call 509-453-9983. 52982

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

  • Options for weed control

Options for weed control

  • April 15th, 2010

Good weed control is most important early in the season, but fall may be a better time to get the job done.

Good weed control is essential in modern orchards, where trees are planted at high densities on weak, shallow-rooted rootstocks and can’t handle much competition for water and nutrients.

Given [...]

  • Drench in the orchard

Drench in the orchard

  • April 1st, 2010

Single-bin drenching with a postharvest fungicide is being tested. Research shows that the sooner a fungicide is applied after harvest, the more effective it is in preventing rot.
DAVID SUGAR, OSU

Drenching single bins of pears with a fungicide in the orchard is a new tactic to help prevent decay [...]

  • Ontario faces challenges to plum pox virus eradication

Ontario faces challenges to plum pox virus eradication

  • April 1st, 2010

Symptoms of plum pox virus include chlorotic (yellow) rings on the leaf surface or chlorotic blotches and vein clearing.

A concentrated growing area is complicating efforts to eliminate plum pox virus from the main peach-growing region in Ontario, Canada.

The virus was expected to be eliminated in the provinceCanada’s biggest peach [...]