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Symbiotic associations. I. Symbiosis A. Definition B. Types of symbiosis 1. commensalism 2. mutualism 3. competition 4. predation and parasitism II. Mycorrhiza A. Definition B. How fungi grow C. Mycorrhizal types 1. endomycorrhizae a. VA mycorrhizae b. orchid
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Symbiotic associations I. Symbiosis A. Definition B. Types of symbiosis 1. commensalism 2. mutualism 3. competition 4. predation and parasitism II. Mycorrhiza A. Definition B. How fungi grow C. Mycorrhizal types 1. endomycorrhizae a. VA mycorrhizae b. orchid c. ericoid d. monotropoid 2. ectomycorrhizae III. Root nodules: legumes and rhizobium IV. Lichens
I. Symbiosis A. Definition B. Types of symbiosis 1. commensalism 2. mutualism 3. competition 4. predation, parasitism, and pathogenicity Symbiont one Symbiont two Example Symbiosis commensalism + o + + mutualism - - competition + = positive benefit + - predation et al - = negative - allelopathy + o = no effect
II. Mycorrhiza A. Definition B. How fungi grow mycorrhiza (fungus-root): relationship between plant roots and fungi mycorrhizae, mycorrhizal hypha, hyphae
C. Mycorrhizal types 1. endomycorrhizae a. VA mycorrhizae b. orchid c. ericoid d. monotropoid nitrogen Acid soils
2. ectomycorrhizae Amanita chanterelle
IV. Lichens crustose foliose fruticose