Be Alert for Pine Needle Scale Crawlers boggs.47 Wed, 05/01/2019 - 12:17
Pine Needle Scale was once a common and troubling pest back when Mugo pines rivaled yews and junipers as one of the most common landscape plants in Ohio and Scotch pine was THE Christmas tree grown in our plantations. However, that's changed over the years. As mugos and Scotch have become less common in our landscapes and Christmas tree plantations, so has the occurrence of pine needle scale.
Helicopters Fly over Lake County in May! dehaas.2 Wed, 05/01/2019 - 12:12
What are those Helicopters spraying? Helicopters were flying over Perry, Ohio on May 25, 2018 last year spraying tree lines and nursery stock. What were they spraying? Why from a helicopter? Lake County is one of 51 counties in Ohio that fall under the European Gypsy Moth Quarantine. Currently 51 counties in Ohio are regulated under the Gypsy Moth quarantine. One main requirement for the compliance agreement is that nurseries must apply a USDA-approved insecticide to the entire growing area in mid to late May.
Colorful displays of three types of rust fungi are appearing on junipers in Ohio. The fungi belong to the genus Gymnosporangium and they complete part of their life-cycle on members of the plant genus Juniperus and the other part of their life-cycle on members of the family Rosaceae. In biological terms, this type of life-cycle is known as "heteroecious."
Last Wednesday, Jerry Frankenhoff (Urban Forester, Great Parks of Hamilton County) sent an e-mail message asking about red staining on the bark of sycamore trees. He wrote that he'd never seen anything like this before. I was shocked when I looked at his attached image. Likewise, I had never before seen the unusual reddening symptoms on sycamore or any other tree.