Registration is required by Monday, March 11, for the free on line workshop on how to use the late blight forecast tool on your farm. The workshop on Tomato and Potato late blight risk  will be held at Cornell Cooperative Extension, Monroe County, 249 Highland Avenue, Rochester, 1pm to 4pm, Tuesday, March 19. To register call Angela at 585-394-3977 ext. 426 or email at aep63@cornell.edu