Sticky, Dripping European Beech

I'm a fan of beech (Fagus spp., family Fagaceae) from American beech (F. grandifolia) to European beech (F. sylvatica) to beechwood-aged potations (F. beerlignumia). Members of the genus have long been considered relatively free of serious insect pest and disease problems. Unfortunately, beech bark disease and the enigmatic beech leaf disease are changing that perception.
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Authors
Joe Boggs

No Mow May in Full Swing………So what’s wrong with ‘No Mow May’?

Lawns are greening up and growing like crazy. You may be tempted to employ the technique titled ‘No Mow May’. But what’s wrong with letting your lawn grow for the whole month of May without cutting it? If you are concerned about the health of your lawn, there’s potentially some downsides to ‘No Mow May’.
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Authors
David Gardner
Thomas deHaas

Twisted Leaves Rock American Elms

The odd-looking leaf-twisting handiwork of Woolly Apple Aphids (Eriosoma lanigerum) is becoming evident on newly emerging leaves of American elms (Ulmus americana, ‘Princeton’) in southwest Ohio. ‘Princeton’ is an old cultivar first propagated by Princeton Nursery in New Jersey in 1922. The cultivar was later found to be resistant to the fungal pathogens behind Dutch Elm Disease (DED).
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Authors
Joe Boggs