The live oak has nourished and protected the continent’s inhabitants for many centuries. Beginning in pre-Columbian America, Native peoples have ground the tree’s acorns into meal and knew its ...

Oak wilt (Ceratocystis fagacearum) is a fungal disease that can ... Removing any live wood while the sap-feeding beetles are active would be a tree pruning mistake that risks infection, though ...

White oak species demonstrate moderate disease tolerance and can live several years after showing ... Defoliation typically starts at the top of the tree and works downward.