Category: IPM

by Terence Bradshaw Please see the attached itinerary for the June 30 Champlain Valley Orchard Tour. Cornell Entomologist Peter Jentsch will be with us on the tour to discuss summer insect pest management. We will begin at 9:30 AM at Hick’s Orchard in Granville, NY, then travel north to Champlain and Sentinel Pine Orchards in…

by Terence Bradshaw Apparently I need to go away for a week for us to get any significant moisture, and boy did we get it. The good news is that apple scab ascospores should be all released now, so if you maintained good protection during the primary infection season, You should be done by now.…

by Terence Bradshaw Please consider joining us for a tour of Champlain Valley orchards sponsored by the UVM Fruit Team, UVM Extension Risk Management Agency, Vermont Tree Fruit Growers Association, and Cornell Cooperative Extension on June 30, 2015. Final details are still being arranged, and an agenda will be forthcoming. Cornell Entomologist Peter Jentsch will…

http://northerngrapesproject.org/wp-content/uploads/2015/06/June-2015-News-You-Can-Use-Herbicide-Drift.pdf News You Can Use   Herbicide Drift June 2015 2,4-D damage on Baco Noir in western New York. Fan-shaped leaves are almost always seen with 2,4-D injury. Photo: Tim Weigel, Cornell University Damage from herbicide drift is, unfortunately, something that a number of grape growers are all too familiar with. The effects of off-target…

June 2, 2015 by Terence Bradshaw We are coming out of the biggest apple scab infection period of the season in Vermont orchards, and despite model predictions, I and many others in the region are assuming that there were plenty of mature ascospores that were released since rains started on Sunday. For orchards that were…

May 31, 2015 by Terence Bradshaw After last night’s rains, I would say that every orchard in the region experienced an infection period last night that will likely continue through Tuesday. Because it has been so dry this spring, few opportunities have been available to release of apple scab ascospores, so a large amount of…

May 28, 2015 by Terence Bradshaw I was a bit absent earlier this week when some of this information may have been relevant, but here’s my take on the situation in Vermont orchards: Apple scab: Although there has been little moisture this season, infection periods have occurred, and I saw my first primary scab lesion…

May 28, 2015 by Terence Bradshaw Grapes in the Champlain Valley will soon be approaching the ‘immediate prebloom’ stage which is a critical time for management of multiple disease, including black rot, downy mildew, powdery mildew, phomopsis, and anthracnose. Spray applications may be made any time now to help prevent these diseases. Remember, you cannot…

May 22, 2015 by Terence Bradshaw This is just a quick note to help explain a condition you may be seeing on your orchards this year. Yesterday, while passing through the orchard quickly, I noticed marginal yellowing on many leaves, similar to the picture below. My first thought was to go back and diagnose a…

May 19, 2015 by Terence Bradshaw Most orchards in the ‘traditional’ growing regions in Vermont are at or near petal fall, although the cool weather may be extending bloom a bit. This is a critical time for orchard management, so be ready. Apple scab: Ascospore maturity is high and with few wetting periods lately many…