Measuring Photosynthetic Response to Drought Stress using Active and Passive Fluorescence

Levi Helm1, Manuel T. Lerdau2, Wenzheng Wang1 and Xi Yang3, (1)University of Virginia, Charlottesville, VA, United States, (2)University of Virginia, Department of Environmental Sciences, Charlottesville, United States, (3)University of Virginia, Environmental Sciences, Charlottesville, VA, United States