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 Phytophthora disease is the longest-known chestnut tree disease leading to tree death. 2  Of the two main pathogens for this disease, the one in European chestnuts is known since 1971 to be Phytophthora cambivora. 3  Phytophthora cinnamoni was discovered in chestnut trees in the United States in 1932.hestnut trees are of moderate growth rate (for the Chinese chestnut tree) to fast-growing for American and European species. Their mature heights vary from the smallest species of chinkapins, often shrubby, to the giant of past American forests, C. dentata that could reach 60 m.