From Mark Chien’s Wine Grape Information for Pennsylvania and the Region May 4, 2013
http://pawinegrape.com/
Full Newsletter
One topic Mark covers in this issue:

Early Season Grape IPM

The season has gotten off to a slow start due to cool weather across the region but once it warms up you can expect the shoots to grow very quickly.

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From Mark Chien’s Wine Grape Information for Pennsylvania and the Region Apr 15, 2013
http://pawinegrape.com/
Just a few of the topics Mark covers in this issue:

• Wine Grape Integrated Pest Management Workshop Presentations, March 2013
  • Grower Perspective on Post-veraison Problems– Galen Troxell, Galen Glen Vineyard
  • Early-season Flower and Cluster Disease Control– Bryan Hed, Penn State
  • Late-season Disease Control: cluster rots and downy mildew– Alice Wise, Cornell
  • Bird Netting in Vineyards– Libby Tarleton, Cornell
  • Wasp and Bee Management in Grapes– Jody Gangloff-Kaufmann, Cornell
  • Grape Berry Moth and Spotted Wing Drosophila– Mike Saunders, Penn State
  • Brown Marmorated Stink Bug: a new and very important pest of grapes and wine– Joe Fiola, Univ of Md
  • Calibrating your Sprayer– Marty Keen, Landey Vineyards
  • Development of a Low Cost Vertical Patternator (Part 2) – Marty Keen
• Red Blotch Virus Learning Resources- “If you have vinifera vines that were planted in the past five years that have displayed reddening of leaves, particularly late in the season, they may be infected by the Red Blotch virus.  The symptoms are similar to leafroll and growers should study fact sheets to tell the two apart.  Red Blotch can severely affect a vine’s ability to ripen its fruit.”
  • Grapevine Red Blotch Disease: An Emerging Issue (YouTube webinar)
  • The Impact of Grapevine Red Blotch Virus
  • On the Trail of Red Blotch Virus: View from the East