Exotic Pest Reporting
Candidatus Phytoplasma mali 16SrX-A
Apple Proliferation (Candidatus Phytoplasma mali 16SrX-A) is a phytoplasm.
This phytoplasm causes witches broom on apple and causes a marked reduction on fruit size.
This phytoplasm has been identified by USDA-APHIS as a serious threat to US Agriculture and Natural Resources, and surveys have been planned for multiple states.