The California Department of Food and Agriculture has put together a working group to comment on regulations for diseases such as grapevine fanleaf virus, Tomato ringspot virus, grapevine leaf roll associated virus and grapevine red blotch associated virus. Their meeting notes and presentations can be accessed online as a resource to us in Canada. To see presentations click here Read More →

In research done by Wendy McFadden-Smith (OMAFRA), Sudarsana Poojari and Jean-Philippe Parent (AAFC) it was discovered that symptoms of Grapevine Leafroll Disease are more apparent on red-fruited vines than whites, although this does depends on many environmental factors including age of the vine, and stage of the virus infection. Typical symptoms of Leafroll disease in red cultivars include red-purple discoloration, and rolling backwards of the leaves. In white varietals, this is not as prevalent, although can sometimes be seen closer to the end of the growing season. Although Grapevine leafroll and Grapevine red blotch can be similar in appearance, there are slight differences observed suchRead More →

Developed by a team of  researchers at the University of Winnipeg’s Prairie Climate Center, the interactive Climate Atlas of Canada is now available online, and free for all to use! The new map will allow users to track growing degree days with various bases, precipitation, frosts, and extreme heat and cold trends as well as see predictions for the coming years. Also included is documentaries on how Canadians are adjusting to the impacts of global warming. With French and English functions, the map is accessible to all, and an invaluable tool when used for weather predictions, as it is based upon the data of 12Read More →