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12 Cards in this Set
- Front
- Back
Zoospore |
asexual spore that uses flagella for locomotion |
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Ash yellows |
overall yellowing, twig dieback, suppressed trunk growth, chlorotic leaves, epicormic sprouts on trunk |
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Sudden Oak Death |
damping off of seedlings, stem canker, chlorotic foliage, wilting, shoot dieback, stunted growth, collar rot |
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Phytothora ramorum on rhododendron |
leaf spots, small branch dieback, lesions extend from top to bottom |
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Ectomycorrihizae |
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Wetwood |
produces slimeflux, causes darkening of inner wood ("wet") |
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Fruiting bodies of phellinus weirii |
white pocket rot, affects douglas fir, spruce, larch, & cedar |
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Melampsorella on fir |
pycnia, aecia, uredia, yellow to pale green brooms |
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Teliospores of Gymnosporangium |
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Truffles |
mycorrhizae fruiting body, rounded top, can be eaten |
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White Rot |
lignin degradation (selective or simultaneous), cellulose/hemicellulose degradation, discoloring of wood, cell wall destruction |
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Soft Rot |
loss of wood strength, cavities in cell walls, erosion, tunneling, wet or waterlogged environments, pH membrane degradation, scavenging bacteria |