Research on etiolation
Bacterial etiolation is a troublesome symptom on bentgrass greens and diagnosis of the cause can be difficult and slow. The symptoms occur primarily when bentgrass has been infected by the bacterium Acidovorax avenae and is more prononuced when the infected stand is treated with trinexapac-ethyl. Ritchie and Roberts at North Carolina University summarized their research on this diesase in 2015.
Proper identification of the A. avenae is difficult and requires use of DNA fingerprinting techniques to confirm the identity of…