| 词条 | Protomyces macrosporus |
| 释义 |
| image = Protomyces macrosporus on Aegopodium podagraria lower surface.JPG | image_caption = Galls on the lower surface of Aegopodium podagraria leaf | regnum = Fungi | divisio = Ascomycota | classis = Taphrinomycetes | ordo = Taphrinales | familia = Protomycetaceae | genus = Protomyces | species = P. macrosporus | binomial = Protomyces macrosporus | binomial_authority = Unger, 1834 }}Protomyces macrosporus is an ascomycete fungus that forms galls on Aegopodium podagraria, Anthriscus sylvestris, Angelica sylvestris, Daucus carota and some other members of the family Umbelliferae or Apiaceae, commonly known as umbellifers.[1] Fourteen genera within the Asteraceae are also galled by P. macrosporus.[1] The description of the genus was based on Protomyces macrosporus as the type genus for the family Protomycetaceae.[2] Physical appearanceThe gall develops as a chemically induced swelling, arising from the surface of the leaf lamina, veins, mid-ribs, and petiole. On the leaf lamina it forms yellowish bulges standing out on the upper surface, but missing the black sori that are typical of an otherwise similar gall caused by the rust fungus Puccinia aegopodii. On veins, mid-ribs and petioles the gall appears as translucent yellow-white swellings that are often elongated and blister-like.[3] It is particularly apparent in early spring when the greatly distorted leaves first appear.[3] Life cycleThe P. macrosporous has a complex life cycle including ascospores and chlamydospores.[4] Spores reach the hosts via air movements and are spread from the galls that develop on the petioles, midrib veins, and lamina; they will only germinate on the correct host.[4] DistributionThe species has been recorded in Scotland, Ireland, Norway, Denmark, Sweden, Nepal, Germany,[5] North America, North Africa and South Asia.[6] Agricultural significanceThe stem gall caused by Protomyces macrosporus is the most serious and widespread disease of coriander in the Chitwan valley of Nepal.[7] See also
References1. ^{{cite book |author=Robert Nicholas Trigiano, Mark Townsend Windham & Alan S. Windham |year=2004 |title=Plant Pathology: Concepts and Laboratory Exercises |publisher=CRC Press |isbn=978-0-8493-1037-9 |page=112 |url=https://books.google.com/books?id=y-VkAmDUL2YC&pg=PA112}} 2. ^{{cite journal |author=K. Tubaki |year=1957 |title=Biological and cultural studies of three species of Protomyces |journal=Mycologia |volume=49 |issue=1 |pages=44–54 |jstor=3755727 |doi=10.2307/3755727}} 3. ^1 2 {{cite book |author=Margaret Redfern & Peter Shirley |year=2002 |title=British Plant Galls. Identification of Galls on Plants & Fungi |location=Shrewsbury |publisher=Field Studies Council |isbn=1-85153-214-5 |page=222}} 4. ^1 {{cite book |author=R. S. Mehrotra & K. R. Aneja |year=1990 |title=An Introduction to Mycology |publisher=New Age International |isbn=978-81-224-0089-2 |chapter=Ascomycotina |pages=251–430 |url=https://books.google.com/books?id=UUorj_O2dcsC&pg=PA270}} 5. ^{{cite web |url=http://data.gbif.org/species/14386298 |title=Species: Protomyces macrosporus Unger 1834 |publisher=Global Diversity Information Facility |accessdate=July 31, 2010}} 6. ^{{cite journal |author=R. A. Valverde & G. E. Templeton |year=1984 |title=Leaf gall of Torilis japonica caused by Protomyces macrosporus in Arkansas |journal=Plant Disease |volume=68 |pages=716–717 |doi=10.1094/PD-68-716}} 7. ^{{cite journal |author=L. N. Bhardwaj & S. M. Shrestha |year=1985 |title=Efficacy of fungicide application in the control of stem gall of coriander |journal=Agriculture, Ecosystems & Environment |volume=13 |issue=3–4 |pages=319–323 |doi=10.1016/0167-8809(85)90019-2}} External links{{commons category|Protomyces macrosporus}}
2 : Galls|Ascomycota |
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