First Report of a ‘ Ca . P. australasiaticum’-related Strain (16SrII-A) Phytoplasma Associated with Bougainvillea Witches’ Broom in China
Bougainvillea is a widely cultivated ornamental in subtropical and tropical regions. In November 2025, Bougainvillea buttiana in Zhanjiang City, Guangdong Province, China (110°18′36″E, 21°9′36″N), exhibited symptoms including flower abortion, phyllody, and proliferation of axillary shoots with shortened internodes (Fig...