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‘Candidatus Phytoplasma asteris’ subgroups display distinct disease progression dynamics during the carrot growing season

Clements et al. (2021). PLOS ONE 16 (2)
Ca. Phytoplasma asteris
Aster Yellows phytoplasma (AYp; ‘Candidatus Phytoplasma asteris’) is an obligate bacterial pathogen that is the causative agent of multiple diseases in herbaceous plants. While this phytoplasma has been examined in depth for its disease characteristics, knowledge about the spatial and temporal dynamics of pathogen spread is lacking. The phytoplasma is found in plant’s phloem and is vectored by leafhoppers (Cicadellidae: Hemiptera), including the aster leafhopper, Macrosteles quadrilineatus Forbe