Grapevine viruses – Symptoms and Testing
Symptoms of diseases caused grapevine leafroll-associated-3 (GLRaV-3) and grapevine red blotch virus (GRBV) have become apparent in infected vines inContinue Reading
Tag: Sooty mould
Sooty mould — a sure sign of mealybugs (and sometimes scales)
W. McFadden-Smith (OMAFRA), S. Poojari and J.P. Parent (AAFC) A few weeks ago, it was easy to find mealybugs andContinue Reading