Plant Pathology Growth Chamber – UGA 4621 (1966, Category 2). The Plant Pathology Growth Chamber is located northwest of the Plant Pathology Greenhouse across Tobacco Road. The building is a small rectangular structure that appears to be wood-framed and is covered with aluminum sheeting. It has a lightly built wood gable roof the front of which is open and covered with mesh. The front elevation has a sliding double door. The building appears to be in fair condition. It retains integrity and is assessed as Category 2.