'Candidatus Phytoplasma americanum'(PHYPAE)
Distribution details in Japan
Current pest situation evaluated by EPPO on the basis of information dated
1992: Absent, unreliable record
Potato purple-top wilt is an aster yellows group phytoplasma, from the New World type in principle. This could be a different phytoplasma.
* Shiumi, T.; Sugiura, M. (1984) (Differences among Macrosteles orientalis-transmitted MLO, potato purple-top wilt MLO in Japan and aster yellows MLO from USA). Annals of the Phytopathological Society of Japan 50, 455-460.(in Japanese).