agfungi and insects

agfungi and insects - Fungi and Insects April 14 th How do...

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Unformatted text preview: Fungi and Insects April 14 th How do we know that fungi and insects interact?- Just because two things occur at the same time in the same place, does that mean interaction?- Case study: fungus gnats and Pythium (causes plant diseases). The two were correlated, but is there interaction? o Pythium affects roots of seedlings, not above-ground part of plant o Furthermore pythium produces spores in soil o Fungus gnat larvae burrow in the soil, eating plant material and fungal spores o Larvae do not move from pot to pot o Adult fungus gnats do fly from pot to pot, but dont burrow in soil or eat o ** interesting area of cornell research- Some well characterized funal/insect interactions o Dutch elm disease and elm bark beetle. Beetle brings spores from tree to tree. o Oak wilt and nitidulid beetle. Oak wilt produces scent that attracts beetles. o Stinkhorns and flies also use scent- Kinds of fungal/insect interactions o Transmission of spores (examples above) o Insect feeding on fungus...
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agfungi and insects - Fungi and Insects April 14 th How do...

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