Oak trees are one of the more popular and commonly planted landscaping trees.  This great species is also a staple of the natural American landscape.  However, oaks can easily succumb to a disease known as oak wilt.  In recent years, this disease has destroyed a significant number of oaks in the Central Texas area.  In order to prevent oak wilt, it is important to understand the disease – its origin and how to treat it. Although it is not the number one disease that kills oaks, oak wilt it is considered the most commonly known.  It is caused by a fungus known as Ceratocystis fagacearum.  The disease manifests itself through fungal spores that invade an oak and clog its water conducting system. The disease is spread through two primary agents: One is through beetles which feed on the...