Fungal Diseases

Journal of General Plant Pathology

, Volume 69, Issue 4, pp 240-243

First online:

Does Puccinia hemerocallidis regularly host-alternate between Hemerocallis and Patrinia plants in Japan?

  • Yoshitaka OnoAffiliated withDepartment of Science Education, College of Education, Ibaraki University Email author 

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Daylily rust fungus, Puccinia hemerocallidis, was proven to host-alternate between a wild daylily, Hemerocallis fulva var. longituba, and a patrinia, Patrinia villosa. No proof was obtained for the early belief that the fungus is pathogenic to plantainlilies, Hosta species, in addition to daylilies, Hemerocallis species. The fungus seems to alternate regularly between daylilies and patrinias in Japan because most daylily species are deciduous, and a vegetatively reproducing stage of the pathogen does not seem capable of successfully overwintering free of the living host tissue.

Key words

Daylily Host specificity Life cycle Plantainlily Rust