Panama Disease Fusarium wilt

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Panama Disease Fusarium wilt
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Banana suckers for propagation
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Dutch Elm Disease teleomorph Ophiostoma
(Ceratocystis)anamorph Graphium
Conidia in Synnema (Corema)
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• Perithecium and synnema and conidiophore
• 3 spores!

• European elm bark beetle (T)
• Native elm bark beetle (B)

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synnema
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• Several significant tree wilt diseases in
  Wisconsin
• Dutch elm disease Ophiostoma (Ceratocystis) ulmi
• oak wiltCeratocystis fagacearum
• ash, catalpa, linden, maple, Russian olive,
  smoke-tree, and red bud Verticillium dahliae

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Oak wilt Ceratocystis Sap beetles - nitidulidae
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Fungi and Oomycetes Contrasted
Nuclei /cell Septum Nuclear
condition
Basidiomycetes 2 closed
haploidAscomycetes many open
haploidZygomycetes many none haploid
Oomycetes many none diploid
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Mushrooms
Members of Basidiomycetes
Basidiocarps fruiting bodies that bear the
basidia
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Oyster mushrooms (Pleurotus spp.)
Hallucinogenic Amanita spp.
Edible
Poisonous
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Puffballs
Earthstars
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Basidia with basidiospores can be seen from gills
of mushrooms
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Puccinia graminis
f. sp. triticiAgrios 565-571

• Stem rust of small grains
• Uredium on grass
• Aecium on barberry
• Puccinia graminis f.sp. hordei (barley)

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Barberry Alternate Host to Puccinia graminis

• Common shrub
• Introduced from Europe

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Barberry Infection
Spermogonium
Cross secction of leaf
Aecium Aeciospores (n n)
From The Fifth Kingdom Online
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Spermogonium Spermatia Receptive hyphae
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Aecium and aeciospores
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Urediospores Teliospores Basidiospores
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Barberry
Aecium
Aecium
Receptive Hyphae/ Spermatia
Aeciospores
Spermogonium
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Uredia and Uredospores
From The Fifth Kingdom Online
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From Tom Volk webpage
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2 - celled Teliospores of Puccinia graminis
From The Fifth Kingdom Online
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Rust Reproductive Structures
No Yes No Yes Yes
Spore Sorus Infect HostTeliospore telium
Basidiospore basidium Spermatia spermogoniu
m Aeciospore aecium Uredospore uredium

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Puccinia pathway
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Soybean rust (www.sbrusa.net)Phakopsora
pachyrhizi (573)
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Rust spore movement with Hurricane IvanSeptember
16, 2004
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Predicted wind movement
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Cedar Apple Rust Gymnosporangium
juniperi-virginianaeG. globosum cedar
hawthorne rust
Apple host (Aecial stage)
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Cedar Apple RustTelial horns from gall on red
cedar