• Arsenic and fruit juice

Arsenic and fruit juice

  • November 18th, 2013

The fruit juice industry is keeping quiet these days, not relishing a public debate over how much arsenic should be allowed in juices, particularly apple and grape juice.

Arsenic is a scary word. In 2011, Consumer Reports and the Dr. Oz television show raised concerns when they reported that testing [...]

  • Pesticide residues on apples studied

Pesticide residues on apples studied

  • October 1st, 2013

In response to industry concerns about complying with Maximum Residue Levels for pesticides in export markets, the Washington Tree Fruit Research Commission has been conducting residue studies to help apple and cherry growers make more informed choices about their spray programs.

The commission’s internal research program recently completed a 2013 [...]

Good Stuff

  • August 1st, 2013

Closer receives registration
Dow AgroSciences has received federal registration of its sulfoxaflor insecticide, sold under the brand name Closer, which is designed to control sap-feeding insects, such as aphids, in tree fruits and other crops. It is the only insecticide available for specialty crops that is classified in Group [...]

  • Performance report

Performance report

  • July 1st, 2013

After a year of work, the team of researchers developing Solid-Set Canopy Delivery Systems has issued its first report—and the results look promising.

Control of codling moth and mildew was “not quite as good” as airblast sprayer application, but acceptable, the report says. Coverage for most foliar inputs was adequate. [...]

  • Surround might deter stinkbugs

Surround might deter stinkbugs

  • June 1st, 2013

The brown marmorated stinkbug is a challenge to control for any fruit grower, and organic growers have the fewest strategies of all.

That’s why Win Cowgill and colleagues at Rutgers Cooperative Extension in New Jersey decided to test the effects of the kaolin clay product Surround on the stinkbug.

Surround is [...]

  • SWD challenges growers

SWD challenges growers

  • May 15th, 2013

Unlike the common drosophila flies, spotted wing drosophila will attack cherries before they are ripe.
PHOTO BY PETER SHEARER, OSU

After feeling little pressure from the spotted wing drosophila in 2011, Washington State cherry growers battled the pest through the 2012 season. And that’s likely to be the norm in [...]

  • Your management program matters

Your management program matters

  • April 15th, 2013

LEFT: Above left: Adult A. mali are affected by most of the tested reduced-risk pesticides. RIGHT: The parasitic wasp Aphelinus mali attacks woolly apple aphids and leaves black, swollen aphid mummies behind.
PHOTO BY ELIZABETH BEERS, WSU

Pesticides are an important tool to protect crops from pest damage. While pesticides [...]

  • Choose your poison carefully

Choose your poison carefully

  • April 15th, 2013

A barn owl nesting box at Omeg Orchards. Notice the metal underneath the box that’s used to prevent raccoons from climbing the pole to reach the next.
PHOTO BY MELISSA HANSEN

As growers put barn owls and other raptors to work in their orchards and vineyards for rodent control, care [...]

  • How integrated mite control works

How integrated mite control works

  • April 1st, 2013

One of the keys to integrated mite control was that the western predatory mite Typhlodromus occidentalis could effectively control spider mites under certain conditions. In the picture, a “typh” attacks the larger European red mite.
PHOTO COURTESY OF ELIZABETH BEERS, WSU

By the late 1950s, mite outbreaks had reached a [...]