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Progress on biological control
A female Trissolcus japonicus parasitoid wasp emerging from parasitized Halyomorpha halys eggsat the USDA-APHIS
Be aware of residues from late sprays
In the future, growers will find pesticide regulations getting tighter, not looser.
Stinkbugs march on Washington
Brown marmorated stinkbug found in 20 counties in Washington and Oregon.
The latest on dealing with spider mites in vineyards
Two-spotted spider mite has the capability to develop tolerance to miticides in wine grapes.
Mildew wanted in this vineyard
Scientists collect data on fungicide efficacy, best timings, and rates.
How well do you know your Honeycrisp disorders?
The good, the bad and the ugly
Managing crab apple diseases
Crab apple disease management starts in the orchard with pruning.
Know your enemy: Little cherry disease (VIDEO)
Different causal agents are involved in little cherry disease.
Cherry diseases require action
The appearance of little cherry diseases calls for aggressive action, says Dr. Ken
Fighting fireblight through acquired resistance
A new product can enhance fireblight control by stimulating the tree’s defenses.
The plant doctor
Plant diagnostic clinic is a resource for growers.
Brown rot surprises cherry growers
Tart cherry growers need to watch out for European brown rot as bloom arrives.
Preventing storage rots
What you find at packing time started in orchards at harvest.
Pear research never ending
Oregon State University researcher is retiring in May after studying pear diseases for more than 35 years.
Medford’s pear industry rebounds
Good Fruit Grower visited Medford to see how the region has adjusted to industry changes. The news is good.
Too hot to handle
Pyrethroid barrier trunk sprays have proven effective against cutworms in Washington State, but for growers
Monitoring, managing codling moth clearly and precisely
A prototype of the clear delta codling moth trap developed in 2008 by USDA's
Alternatives for disease control
Chitosan not only reduces decay but induces resistance in the plant.
Sustainable organics
Jim Koan wants organic practices to be based on science, not politics.
A common sense organic approach
Silver Apple Award winner Ray Fuller approaches organic production from a scientific point of view.
Attack when pest defenses are down
Drosophila suzukii female inside ACV trap hole. Research findings at the University of
Pests modified with lethal genes
Mediterranean fruit fly and spotted wing drosophila are two insect pests Oxitec is planning
Little cherry disease is spreading
A new discovery this summer could help explain the growing spread of little cherry disease in the Pacific Northwest, but it will make control more difficult, say researchers.
Preparing for change
Italian pomologist Dr. Stefano Musacchi strides ahead of field day attendees before his inaugural
Michigan growers asked to support research
The Michigan tree fruit industry is exploring the idea of creating a commission to collect
Citizen scientists needed to count stinkbugs
Courtesy David R. Lance, USDA APHIS PPQ The scientists working to conquer brown
Grape IPM guide available
Pacific Northwest extension specialists recently released a new field guide for vineyardists that provides information
Peach growers challenges
Growing peaches is getting easier in some ways, harder in others, a rather normal description
Precise disease management is complicated
Like insects, diseases develop in predictable ways based on growing-degree accumulations, but diseases are driven
Growers need to adjust sprayers for deposition and drift
Precise application of pesticides in orchards provides growers with better crop protection, less environmental pollution,
Pest management requires precise tools
Over the years, fruit growers have traded in their shotgun-like pest control tools for more
New spray concept proves feasible
Entomologist Larry Gut has been experimenting with the Solid-Set Canopy Delivery system to apply
Top Five pear research needs
Ray Schmitten Although most pears are grown in traditional orchards, the same way
WSU apple breeder screens for fireblight resistance
Dr. Kate Evans, WSU's apple breeder, is screening both seedlings and advanced selections for
Fire blight concerns ease in Medford, Oregon
Concerns that fireblight would cause significant damage to this year’s pear harvest in the
California growers worry about fireblight
Photo courtesy of Rachel Elkins, UC The generally arid conditions in the Pacific Northwest limit
Performance report
The solid-set spray system was shown in action last year at field days attended
Five ways to make sure people eat fewer peaches
1 Grow just one variety. Growing one variety will limit your marketing season and the
Surround might deter stinkbugs
The brown marmorated stinkbug is a challenge to control for any fruit grower, and organic
Science on the Hudson
Modern apple tree plantings have been made at the Hudson Valley Lab. PHOTO BY RICHARD
SWD challenges growers
Unlike the common drosophila flies, spotted wing drosophila will attack cherries before they are ripe.
The NOSB’s ‘lose-lose’ decision
A decision by the National Organic Standards Board not to extend use of a key
Outreach: The final goal
Field horticulturists from Chelan Fruit Cooperative examine beneficial insects during a hands-on workshop offered in
SWD in Europe
A female spotted wing drosophila lays eggs on a cherry. PHOTO BY PETER SHEARER, OSU
Good Stuff
Book of secrets Karin Argo of Zillah, Washington, is selling the second edition of her
Last Bite
1 True or false? The Z-Trap is a device for killing Zetzellia mali? 2 How
Nothing easy about organic weed control
Research in a newly planted organic vineyard showed just how difficult and labor-intensive weed control
Heavenly host
For brown marmorated stinkbugs, the tree of heaven appears to be just that—a heavenly place
Organic hurdles
Growing apples in the eastern United States under USDA organic certification standards is not easy,
Pest pressures challenge organics future
The favorable climate and relatively low pest and disease pressure in the arid West have