Leafroll virus is costly

By |May 29th, 2014|

Grapevine leafroll virus is very costly to growers, studies in major wine-grape-growing regions show.

Economists in New York, California, and [...]

Washington vineyards, orchards change hands

By |May 20th, 2014|

Sagemoor’s cherries, apples, plus well-established wine grapes attract new owners.

Growth in California grape plantings

By |May 20th, 2014|

There’s no slowdown yet in wine grape plantings in California. Growers in the state added around 21,000 acres of [...]

New grape virus in Washington

By |May 14th, 2014|

Don’t assume that red leaves mean grapevine leafroll virus — they could be symptoms of a new disease.

Potato chips and fine wines

By |May 8th, 2014|

Tim’s famous Northwest snack helped establish this Walla Walla winery.

Destined for export: Understanding pesticide residue policy

By |May 6th, 2014|

It is a large international regulatory body with inherent inertia.

Nematode management strategies

By |May 1st, 2014|

Preplant soil fumigation has long been an effective way to control nematodes, but fumigation in the future may be [...]

Nematode-resistant rootstocks available

By |April 30th, 2014|

Improved rootstocks are available, though more field testing is needed.

New approach needed for nematodes

By |April 29th, 2014|

Avoid white varieties if planting in a site with root knot nematodes.

Chlorosis in Concords

By |April 18th, 2014|

Dr. Joan Davenport is looking for cost effective treatments for chlorosis in Concord grapes.