Puccinia malvacearum on Pelargonium geranium

Puccinia malvacearum, also known as hollyhock or mallow rust, is a fungal species within the genus Puccinia known for attacking members of the family Malvaceae. An autoecious pathogen, it can complete its life cycle using a single host.

It was originally found on the leaves of a species of Malva in Chile.[3] Other plants also affected by the rust include Abutilon, Alcea (Hollyhock),[4] Hibiscus, Lavatera, Malvastrum and Sphaeralcea.

Suggested control measures (in the US), include sanitation (removal or destruction of affected plants or plant portions) or treatment with fungicides.

See also

References

  1. ^ Bertero ex Mont., in Gay, Hist. fis. y polit. Chile, Bot. 8: 43 (1852)
  2. ^ "Puccinia malvacearum Bertero ex Mont. 1852". MycoBank. International Mycological Association. Retrieved 2011-07-08.
  3. ^ a b "Species Fungorum - GSD Species". www.speciesfungorum.org. Retrieved 20 August 2023.
  4. ^ O'Donnell, K.L.; Mclaughlin, D.J. (1981). "Ultrastructure of meiosis in the hollyhock rust fungus, Puccinia malvacearum 1. Prophase I—Prometaphase I.". Protoplasma. 108 (3–4): 225–244. doi:10.1007/BF02224421.

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