Helmick, Ericka


First Report of ‘Candidatus Phytoplasma brasiliense’ in North America and in a New Host, Globe Sedge (Cyperus globulosus)

Di Lella et al. (2022). Plant Health Progress
Ca. Phytoplasma brasiliense
A survey of weeds was undertaken in a palm nursery affected by lethal bronzing (LB) to identify a reservoir host of the causal phytoplasma. Three common species were identified; Urochloa maxima (Guineagrass), Sporobolus indicus (smut grass), and Cyperus esculentus (yellow nutsedge) and sampled over a period of 2 years. Each species was sampled 36 times and all three species were negative for the LB phytoplasma. However, three specimens of C. esculentus tested positive for the phytoplasma specie