• New pests threaten Washington grapes

New pests threaten Washington grapes

  • March 1st, 2012

Doug Walsh, holding a mealybug pheromone trap, says that such traps have been used throughout the state to look for vine mealybug. Thus far, the destructive pest that’s prevalent throughout California grape regions, has not been found in Washington.
Melissa Hansen

While exotic and invasive pests threaten grape industries in [...]

  • Trapping for grape mealybug

Trapping for grape mealybug

  • March 1st, 2012

Brian Bahder transfers a first-instar grape mealybug from a grapevine leafroll-diseased Concord vine to a healthy Concord vine to assess mealybug competency as a vector.
Melissa Hansen

With the insidious spread of grapevine leafroll disease in Washington State vineyards, Washington State University scientists have worked to help growers better detect [...]

Reduced risk?

  • March 1st, 2012

A three-year study just completed in Michigan apple orchards showed that reduced-risk pesticides—which growers are now adopting—are more damaging to the functional ecology of the orchards than the products they are replacing.

Orchards using these reduced-risk pesticides have fewer beneficial organisms to help control pests, so growers will likely incur [...]

  • Stinkbug poses BIG THREAT

Stinkbug poses BIG THREAT

  • March 1st, 2012

The dreaded brown marmorated stinkbug is gradually making its way towards major tree fruit and grape growing regions in ­Oregon and Washington where $4 billion in crops are at risk.

This stinkbug species, which originated in Asia, is much larger than native stinkbugs and can be far more damaging. It [...]

Let natural enemies play a role

  • February 1st, 2012

Growers today tend to think that integrated pest management has to do primarily with monitoring pests and scheduling ­pesticide applications.

But that’s not what IPM was envisioned to be at the outset, Dr. Nick Mills, entomologist with the University of California, Berkeley, told growers during the Washington State Horticultural Association’s [...]

Focusing on tomorrow today

  • December 1st, 2011

Apple, pear, and walnut growers will have several opportunities this winter to learn how to take advantage of natural enemies in their orchards for controlling key pests.

Washington State University entomologist Dr. Vince Jones expects to see a move towards more precise integrated pest management in apples and pears in [...]

  • Pest help at your fingertips

Pest help at your fingertips

  • December 1st, 2011

Andy Kahn can use his iPhone to access WSU’s Decision Aid System, which automatically uploads weather data from the AgWeatherNet and provides pest predictions and control recommendations.

Washington State University’s online Decision Aid System has made life easier for integrated pest management consultant Andy Kahn of Wenatchee. He can log [...]

  • $60-million boost

$60-million boost

  • December 1st, 2011

A mechanical harvester is part of a major research project relating to production and marketing of stem-free sweet cherries.

More than $60 million dollars in grants have been awarded so far through the Specialty Crop Research Initiative specifically for research ­projects in tree fruit and grapes.

This is the fourth year [...]

  • Electronic trap saves labor

Electronic trap saves labor

  • November 1st, 2011

Johnny Park, engineer of the Z-Trap, was in Washington State recently to demonstrate a new codling moth trap that counts insects, sending trap data to a computer.
Melissa Hansen

An electronic trap for monitoring insect pests will free up growers or employees from the chore of checking trap catches every [...]

  • The Tangler

The Tangler

  • November 1st, 2011

Brett Bunker shows off the launcher he uses to dispense pheromone-containing capsules in apple trees. The clip in the magazine holds 25 capsules. Left: When the Tangler is launched, the capsule splits and the string wraps, bolo-like, when it strikes a tree branch. Early in the season, there is [...]

  • Growers battle stinkbug

Growers battle stinkbug

  • October 1st, 2011

Eastern peach growers report having greater success in controlling the brown marmorated stinkbug this year than they did in 2010.

Rice Fruit Company installed new defect sorting equipment in its apple packing operation earlier this year—making a sizable investment in anticipation of another onslaught from brown marmorated stinkbug.

“We’re hoping it’s [...]

  • Sticking with pears

Sticking with pears

  • September 1st, 2011

Rood built this platform especially for removing fireblight strikes. Controls let him steer, brake, clutch, shift gears, and control acceleration. Shears or saw on a long pole are powered by air.
Richard Lehnert

There was a time when Michigan rivaled Oregon for third place in U.S. pear production, but a [...]