Oak wilt is a tree fungal disease that is major problem and has killed many trees in Texas. Oak wilt is a fungus that affects the vascular system of a tree. Oak wilt spreads very easily between trees and quick oak wilt treatment is needed to save affected trees. Propiconazole oak wilt treatment is the only known oak wilt cure. Oak wilt control requires professional tree and lawn services. Along with certified pest control services, Pest Management, Inc. offers services for trees and lawns.