Spring Dead Spot of Bermudagrass: A Challenge for Researchers and Turfgrass Managers

Fig. 14. At Oklahoma State University, transgenetic isolates of O. herpotricha expressing green fluorescent protein (GFP) are being used to monitor the infection process. Here the pathogen can be seen colonizing the root epidermis and cortex, but is not present in the vascular cylinder.



Image from Plant Health Progress article:
Spring Dead Spot of Bermudagrass: A Challenge for Researchers and Turfgrass Managers