These agendas are marked, showing actions taken by TCEQ commissioners at agenda meetings. Commissioners present at the meeting are noted at the top of each document. The action taken by the Commission on each item is marked below that item. Initials beside the action are those of Commissioners present and voting. These agendas are provided in portable document format (PDF).
Maple wilt, also called Verticillium wilt, is a common and serious disease of maples. The destructive soil-borne fungus, Verticillium, kills many maples each year throughout North America. Norway maples seem especially sensitive to infection by Verticillium.
1 Construction damage to roots is also a common cause of tree decline or death. 2  Symptoms of dieback, early fall color, or small leaves may not appear for several years after the damage was caused, and there is no treatment once the roots are damaged. 3  Adding soil over existing tree roots will also cause root death.ome common problems that occur with deciduous tree and shrub leaves include: 1  Several things may cause yellowing leaves on trees and shrubs. 2  On young leaves, if the leaves' veins remain green but the leaf tissue between leaves is lighter or yellow, it may be a micronutrient deficiency, such as iron chlorosis.