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Stinkbug biocontrol
Perdue University Extension Brown marmorated stinkbug, an invasive insect from Asia, swept over the Mid-Atlantic
Insect-resistant varieties
Joseph Schwarz explains how he screens trees for resistance to leafrollers during WSU’s field
Parasite studied in quarantine
Scientists around the United States are studying a natural enemy of the brown marmorated stinkbug
Fireblight expert retires
Larry Pusey has used crab apples for his fireblight studies, as they can be manipulated
Good Stuff
Bayer purchases AgraQuest Bayer Crop Science, headquartered in Germany, has purchased the U.S. biological crop-protection
Sweet!
Scientists are testing a sweet idea that might help organic cherry growers manage insects, birds,
Soft spray program for pears
Though a no-organophosphate codling moth control program is more expensive at first, it’s not long
Cooperative effort defeats pests
An areawide effort to control codling moth without organophosphate chemicals has resulted in better control
Good Stuff
New cherry sorters Rick Lancaster said Chelan Fruit’s new cherry grader will help ensure
Focus on soil health
Apple seedlings grown in soil infested with root-lesion nematodes (on the left) and in soil
Living with plum pox
Jim Bittner, pictured with a tour group in his New York orchard, pulled out 20
Canadians will reduce pressure to eliminate plum pox
Plum pox-infected trees will ultimately produce low yields of deformed, mottled fruit. The virus
Spotlight on apple skin problems
Cracks in the fruit cuticle can form soon after bloom (back), exposing the underlying hypodermal
Steps to manage canker
Scientists have developed the following integrated approach to manage canker in cherries: Avoid interplanting new
Not just a raincover
This Dutch cherry orchard has a rain cover and is enclosed on the sides with
Bacterial canker requires an integrated approach
A canker from the bacteria Pseudomonas syringae has developed in this young cherry tree. Photo
Neonicotinoids and bees
A spate of new studies came out this spring, all of them seeking to link
Watch out, codling moth!
Left: A female Neoscona oaxacensis orb-weaving spider. Top: Cheiracanthium spiders are known as yellow sac
Choosing not to replant
An example of layering, in which a cane is brought from the old Cabernet Sauvignon
Organic viticulture is all about timing
Bill Powers used common materials—screen mesh, bottoms of plastic jugs—to construct his pest fan. Melissa
Lone organic grower finds it tough
Most of Owens’s orchards are surrounded by mature timber. On this mountain, he has three
Promising organic herbicide found
These large crabgrass seedlings show the effect of preemergence application of manuka oil. Control is
Niche product
Sevin (carbaryl) will continue to be available for chemical thinning and pest control in tree
Eastern organic apples
Until now, Owens has worked with orchards established conventionally and converted to organic. This year,
Fumigant regulations keep coming
Soil fumigation, like this broadcast application, now requires that fumigation management plans be developed to
Read the label
Marestail, or horseweed, has been confirmed to be resistant to glyphosate in California. Have you
Tips on how to avoid glyphosate damage
As you approach weed control this spring, remember the word SUPPLY. That’s the acronym Dr.
Tree safety is key issue with herbicides
Choosing a herbicide program for an orchard is not so simple as choosing which herbicide
Newer herbicides join the arsenal
Among the newer herbicides that fruit growers should look at are Treevix, Alion, Matrix, Spartan,
Who’s eating codling moth?
This article is part of a series on the multistate project “Enhancing Biological Control in
Leafroller challenges cherry growers
Obliquebanded leafroller larva Ontario Ministry of Agriculture Tart cherry growers need to use a modern,
New York apple growers on alert for strep-resistant fire blight
An earlier outbreak occurred in 2002.
Clinic can diagnose crop ailments
Karen Ward runs WSU’s Plant Pest Diagnostic Clinic. If you find strange rots or spots
Pests sneak into U.K.
Two new pests—the brown marmorated stinkbug and spotted wing drosophila—have snuck into the United Kingdom
Stinkbug watch
Entomologists in New York State developed a clever way of keeping an eye out for
Organic control for flea weevil
Damage by apple flea weevil. Matt Grieshop Organic apple growers in the Midwest appear to
New pests threaten Washington grapes
Doug Walsh, holding a mealybug pheromone trap, says that such traps have been used throughout
Trapping for grape mealybug
Brian Bahder transfers a first-instar grape mealybug from a grapevine leafroll-diseased Concord vine to a
New pesticide safety guide released
Many practical ideas to solve everyday problems with pesticide handling have been invented and used
New options for fireblight control
Fireblight in apple. New products could be registered in the United States this season to
Reduced risk?
A three-year study just completed in Michigan apple orchards showed that reduced-risk pesticides—which growers are
Stinkbug poses BIG THREAT
The dreaded brown marmorated stinkbug is gradually making its way towards major tree fruit and
Stinkbugs found in sweet cherries
Stinkbugs are likely to move into cherry orchards by mid- to late July. Photo courtesy
New pest keeps industry guessing
A female spotted wing drosophila is about to enter a Contech apple cider vinegar trap.
How to conserve beneficials while fighting stinkbug
Penn State University entomologist Dr. David Biddinger provided some rules of thumb growers can apply
Biocontrol is fragile
These four creatures have survived pesticide treatments to become the most important biocontrol agents in
Bunch rot, a different beast
Michelle Moyer reminds growers who had powdery mildew problems last year to prepare for disease
Strategies for controlling bacterial spot
The O’Henry peach variety is a poster child, highly susceptible to bacterial spot. Symptoms include
Growers fear loss of antibiotics
The shape of organic apple production in the future could well hinge on decisions made
Manage resistance at the warehouse
Chang-Lin Xiao recommends that use of Penbotec and Scholar alternate from year to year to