The native insect that feasts on the short-lived conifers has exploded throughout much of the state’s northeastern region at a level not seen since 1961 The eastern spruce budworm — a native ...

True firs include our native balsam fir, Fraser fir from the southern Appalachians, and white or concolor fir from the West. People choose a Christmas tree species depending on tradition and ...

However, with increasing elevation, balsam fir tends to dominate. Near timberline ... Sugar maple, American beech, and yellow birch are the predominant tree species. Yellow birch occurs most ...

Ernest A. Korankye, Rajasekaran R. Lada, Samuel K. Asiedu and Claude Caldwell. 2018. Mechanical shaking and bailing of balsam fir trees influence postharvest needle senescence and abscission. American ...