• Will the new pest go after grapes?

Will the new pest go after grapes?

  • March 1st, 2011

Grape growers learn to identify spotted wing drosophila at a Washington State Grape Society meeting.
Photo by Melissa Hansen

Preliminary tests conducted last fall indicate that Washington State grapes might not be attractive to the spotted wing drosophila, an invasive new pest that has popped up across much of U.S. [...]

  • Sap beetles attacked Michigan cherries

Sap beetles attacked Michigan cherries

  • March 1st, 2011

The strawberry sap beetle was one of three species identified in cherry orchards. The other two were dusky and picnic sap beetles.
Photo by Stephen Luk

Cherry growers around Traverse City, Michigan, were plagued last season by an unusual attack of sap beetles. Three species of them were found, all [...]

  • Obliquebanded leafroller bugs tart cherry growers

Obliquebanded leafroller bugs tart cherry growers

  • March 1st, 2011

Leafroller larvae form webs and use them to curl leaves into protective structures.
Photo Courtesy Of Washington State University

Obliquebanded leafroller has been increasing as a problem in tart cherries in recent years, where the black-headed green larvae are a highly undesirable contaminant at harvest time in July.

Entomologist Dr. Nikki [...]

  • Researchers tackle apple weevil

Researchers tackle apple weevil

  • March 1st, 2011

Small and black, the apple flea weevil looks a bit like its larger snout beetle relative, the plum curculio.
Photo by matt grieshop, michigan state university

A coalition of partners in four Midwestern states has applied for grant funding to respond to three new insect threats—spotted wing drosophila, brown marmorated [...]

  • Rainfastness of pesticides varies

Rainfastness of pesticides varies

  • March 1st, 2011

John Wise carries out his rainfastness work on grapes and apples at Michigan State University’s Trevor Nichols Research Complex, where he is coordinator of research.

Folklore says that after a heavy rainfall, you might as well get your sprayer out and reapply your insecticides. For those old twentieth century ­wettable [...]

  • Good Stuff

Good Stuff

  • February 1st, 2011

With Come Unglued, there is no need to replace expensive PVC fittings.

Quick PVC pipe fix
Come Unglued is a new tool designed to save time and money when repairing PVC pipes. The tool uses heat to break any PVC cement bond, allowing the user to remove a broken pipe [...]

Rootstock effects on wine are minor

  • February 1st, 2011

Despite the discovery near Kennewick in 1894 of the destructive grapevine root pest phylloxera, the vast majority of Washington State’s vineyards continue to be planted to wine and juice grapes grown on their own roots. While juice grapes are relatively tolerant of the insect, European wine grapes can succumb [...]

  • Tree IVs?

Tree IVs?

  • December 1st, 2010

This injector was tested with apple trees.

Might the airblast sprayer in the future be replaced by IV tubes jabbed in fruit trees?

Michigan State University entomologist Dr. John Wise decided to see if he could control apple insects by injecting insecticides into the tree trunk—much as landscapers now do with [...]

  • Is drosophila a Washington State resident?

Is drosophila a Washington State resident?

  • October 1st, 2010

Entomologists in the Pacific Northwest intend to find out how well the spotted wing drosophila can survive the region’s cold winters.

The pest, a native of Asia, was first seen in ­California in 2008. It was found in Oregon and British Columbia in 2009, and turned up in eastern ­Washington [...]

Managing new pests

  • September 1st, 2010

Pacific Northwest growers are vigilant following reports of spotted wing drosophila among Concord grapes in eastern Washington and the early appearance of the flies in traps in British Columbia’s Okanagan Valley in Canada.

While the susceptibility of wine grapes is not known, table grape and stone fruit ­growers fear the [...]

  • NW questions cherry fruit fly quarantine

NW questions cherry fruit fly quarantine

  • June 1st, 2010

The western cherry fruit fly has not been found in California’s cherry-growing districts.

State officials in Oregon and Washington say ­California’s quarantine requirements for the Western cherry fruit fly are unjustified.

Helmuth Rogg, supervisor of the Oregon State Department of Agriculture’s Insect Pest Prevention and Management Program, said California has imposed [...]

Quarantine alternative

  • June 1st, 2010

Dr. Wee Yee, entomologist with the U.S. Department of Agriculture in Yakima, Washington, is conducting research to assess the likelihood of cherry fruit fly becoming established in certain overseas markets that are concerned about potential infestations of the pest, such as Indonesia and Thailand. Dr. Lisa Neven is cooperating [...]