Brown rot surprises cherry growers

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

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  • Bunch rot,  a different beast

Bunch rot, a different beast

  • February 15th, 2012

Michelle Moyer reminds growers who had powdery mildew problems last year to prepare for disease carryover this year. Botrytis bunch rot is a different beast than grape powdery mildew, says Dr. Michelle Moyer, Washington State University viticulture extension specialist. While it’s not a problem [...]

  • Strategies for controlling bacterial spot

Strategies for controlling bacterial spot

  • February 15th, 2012

The O’Henry peach variety is a poster child, highly susceptible to bacterial spot. Symptoms include fruit spots, leaf spots, and twig cankers. Bacterial spot is a serious problem for peach growers in the eastern United States, but no big worry for western growers. This [...]

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 [...]

  • Spray equipment still evolving

Spray equipment still evolving

  • December 1st, 2011

The Raven spray controller has brought major improvements to orchard spraying.
Courtesy Blueline Equipment

A major breakthrough in orchard spray technology in the last decade has been a rate control system that automatically calibrates sprayers during spraying, saving countless gallons of crop protection chemicals. Future spray technologies could include sprayers [...]

  • Precise IPM requires good data

Precise IPM requires good data

  • December 1st, 2011

This Washington State University weather station in Tonasket is part of the AgWeatherNet service, providing growers with detailed environmental data.
courtesy washington state university

More precise integrated pest management practices go hand in hand with accurate weather and environmental data. You can’t have better targeted insect sprays or use predictive [...]

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 [...]

  • Research spinoffs result in smarter sprayers

Research spinoffs result in smarter sprayers

  • December 1st, 2011

The variable output nozzles and adjustable louver, developed for this citrus sprayer as part of a specialty crop research project, should soon be available for tree fruit sprayers.

Using autonomous tractors to perform pesticide spraying is possible—and may one day be practical—but given the expense of equipment and liability concerns [...]

Spraying with sprinklers

  • December 1st, 2011

On a cold rainy day with apple scab threatening, wouldn’t it be nice to push a button labeled “Fungicide” and let the orchard spray itself?

Spraying is one of those things all orchardists have to do. Whether conventional or organic, they spend a lot of time filling sprayers, mixing chemicals, [...]

  • 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 [...]

  • Grape industry goes after viruses

Grape industry goes after viruses

  • December 1st, 2011

Grapevine leafroll disease is easy to diagnose in red varieties, like this Cabernet Sauvignon vine, but more difficult in white varieties where the only symptom might be downward curling of leaves.

The Washington grape industry has put a bull’s-eye on grape viruses and diseases and is going after its target [...]

  • $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 [...]

Good Stuff

  • December 1st, 2011

Ty Snyder promoted
C & O Nursery of Wenatchee, Washington, has promoted Ty Snyder to the position of orchard manager. Snyder has worked at the nursery since 2006 and earned an associate degree in agriculture from Wenatchee Valley College. He is managing the company’s Rocky Reach and Grant Road [...]