Bill HaessigMay 3, 20213 minPruning to Promote Strong Structure Pruning to Promote Strong Structure Developing a preventive pruning program requires that managers be familiar with the techniques of...
Bill HaessigMay 3, 20213 minMagnolia scalesMagnolia scales, Neolecanium cornuparvum, are amongst the largest scale insects to infest shade trees, with some individuals reaching ½”...
Bill HaessigMay 3, 20212 minRhizosphaera Needle CastRhizosphaera needle cast (Rhizosphaera kalkhoffii) is a foliar disease of spruce trees. It is most common in trees growing outside of...