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Cherries give fruit flies a boost

Spotted wing drosophila’s wide host range makes it difficult for orchardists to control the pest.

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China’s ag agency says yes to all varieties of U.S. apples

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The U.S. Department of Agriculture reports that China’s agriculture regulatory agency has allowed access for all U.S. apple varieties, according to a news release today from Northwest Fruit Exporters.

Phytosanitary certificates for export will be available after

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Is ‘Grape Virus Tax’ hitting your pocketbook?

A new study estimates the economic losses from grape leafroll disease.

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Remove cherry virus infected trees quickly

There is no cure for little cherry virus. Removing trees will help stop it spreading.

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WSU team taking on cherry disease

Little cherry virus 2 is spread by mealybugs

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Chelsea Durfey, Young Grower from Sunnyside, Washington

I’ve had so many mentors... They’ve taught me about pruning, soil biology, bees, products, and applications, and there’s so much yet for me to learn.

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Getting the most from compost

Think years, not weeks, when calculating nitrogen release from compost.

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SWD and BMSB pest workshop this month

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A spotted wing drosophila and brown marmorated stinkbug focused seminar will be held in Hood River, Oregon, on April 30, for small, diversified farmers in the Pacific Northwest.

University extension researchers from Oregon State University and

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Beating the competition to help new plantings

In young orchards, good weed control is essential for fast, early growth and high yields.

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Few bees in vineyards

Grape pest practices in Washington aren’t harming bees.

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Lanternfly targeted for eradication

Efforts to eliminate the invasive spotted lanternfly will begin this spring in Pennsylvania.

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Antibiotic registered for fire blight control

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The bactericide Kasumin (kasugamycin) has been registered in the apple growing states of Washington, Michigan, New York, and Oregon for control of fire blight in apples and pears.

It is registered for use on numerous crops

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Bees as flying doctors

Honeybees deliver brown rot control to sweet cherry orchards.

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Companion has organic listing

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Growth Products of White Plains, New York, has introduced Companion, a new broad-spectrum biological fungicide that has been approved for use in organic production.

The active ingredient in Companion is Bacillus subtilis strain GB03, a naturally

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FMC releases biofungicide

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FMC Corporation has developed a new broad-spectrum, biological fungicide called Fracture for control of powdery mildew, botrytis, and brown rot blossom blight. It is registered for use on grapes, almonds, strawberries, and tomatoes.

The active ingredient

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Beetle biocontrol

New research improves prospects of plum curculio control using nematodes.

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Cool, wet soils trigger chlorosis

Avoid early spring irrigation to avoid chlorosis problems in Concord vineyards.

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Search continues for stinkbug predators

Will brown marmorated stinkbug take hold in desert climates?

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Is biocontrol beating the bug?

Stinkbug damage in mid-Atlantic orchards was less last year, restoring hope for the future of IPM.

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Survey finds no invasive grape moths

However, grape phylloxera was detected for the first time in a Wenatchee, Washington, vineyard.

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Make the most of biocontrol

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Beneficial insects and mites can play a role in controlling key orchard pests if they’re not exposed to harmful pesticides. Dr. David Biddinger, entomologist with Pennsylvania State University in Biglerville, explains how to take advantage

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Birds are eating into profits

Honeycrisp growers in Washington say they lost $28 million to birds in one year.

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Codling moth mating disruption reaches a milestone

Mating disruption of codling moth is used in 90 percent of all apples and pears grown in Washington State.

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Let us (not) spray

Entomologists test alternative ways of applying plant protection materials to trees.

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New focus on leafhoppers

Growers should add 20 percent to their count when using a hand lens on leafhoppers.

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Crab apple pruning demos

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Two pruning demonstrations have been scheduled this month to help orchardists understand how to prune Manchurian crab apple trees in order to be eligible to export apples to China.

The Chinese apple market, closed between 2012

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Living with spotted wing drosophila

Five years later, what have we learned?

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Swiss scientists test nets

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Swiss scientists have been testing netting as a way to exclude spotted wing drosophila from cherry orchards.

Researchers at the Breitenhof Stone Fruit Centre in Wintersingen, near Basel, covered Staccato cherry trees with two types of

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Predatory mite comes to light

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The shift from broad-spectrum organophosphates to new classes of pesticides that are more selective appears to have caused a shift in both pest and predatory mite species in Washington orchards.

Rebecca Schmidt-Jeffris, graduate student at Washington

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Tart cherries threatened

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Entomologists in Michigan are still trying to determine whether spotted wing drosophila will be a significant tart cherry pest.

“We were hoping it would not be an issue,” Dr. Nikki Rothwell said. She is the coordinator

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Research on rot is under way

Plant pathologist is working to determine if pruning and spraying crab apple trees effectively controls postharvest rots.

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Red blotch knowledge grows

The search continues for possible vectors.

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Armillaria resistance explored

Amur chokecherry, used as a rootstock, may protect stone fruits from Armillaria.

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Mildew threatens cherries all season

Cherries become increasingly susceptible during the growing season.

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SWD research continues

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Great progress has been made in the last five years in learning about spotted wing drosophila, but much more is needed, says a Washington State University entomologist.

Dr. Betsy Beers of WSU checked off a list

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New era in fire blight control

Organic growers face future without antibiotics for fire blight control.

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Fire blight can spread quickly

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Scientists know quite a lot about fire blight. Its basic source is in cankers from previous infections.

The bacteria overwinter there. As the canker begins to ooze in spring, bees and other insects are attracted and

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Getting the most out of CougarBlight

Model helps assess and forecast fire blight risk.

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Concrete support: 2014 IFTA Italy

Across South Tyrol, growers use posts made of concrete, rather than wood.

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Small farms conference to be held in February

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U.S. Representative Dan Newhouse will headline a single-day conference focusing on small farm and ranch issues in Yakima, Washington, on February 6, 2015, at the Yakima Convention Center.

The event, hosted by the Center for Latino

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Managing pests in wine grapes

Report contains wealth of information about pesticides.

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$10 million RosBREED 2 grant

Plant pathologists will work with breeders to develop disease-resistant varieties.

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Use winter weeds to improve soil

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Winter weeds are a cheap way of improving and adding organic matter to soil. It is costly and difficult to sow a cover crop on the tree row, so let winter weeds do the job

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Online DAS aids with pest decisions

Fees will allow WSU’s Internet-based Decision Aid System to introduce new, cool features.

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Full meal deal

Seed meal may be more expensive than fumigation, but it has additional benefits.

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New replant disease treatment

Seed meal treatments outperform fumigation.

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Sensors help classify insects

New research holds promise for growers.

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Remote pest managment with automated traps

With an electronic trap and wireless network, growers can spend less time scouting in the orchard.

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New EPA program focuses on pesticide drift reduction

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The Environmental Protection Agency has announced a voluntary Drift Reduction Technology (DRT) program to encourage the use of safer pesticide application equipment to reduce exposure to pesticides.

The program encourages manufacturers to test their technologies, such

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Controlling the stinkers

Strides have been made against brown marmorated stinkbug.

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