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Mushrooms Final Exam
PPWS 2004 @ VT, Schmale. Final Exam Review
29
Biology
Undergraduate 1
05/09/2009

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Term
White Rot Fungi
Definition
- Attack lignin (brown)
- Leave cellulose (white)
- Deciduous Trees
Term
Brown Rot Fungi
Definition
- Attack cellulose (white)
- Leave lignin (brown)
- Conifers
Term
Tree Layers
Definition
1) Bark - dead; armor
2) Phloem - alive; sugar transport
3) Cambium - alive; cell generator
4) Sapwood - dead; water transport
5) Heartwood - dead; support
Term
Tree Infection, Steps
Definition
1) Wound
2) Bacteria
3) Pioneer fungi (Ascomycetes)
4) Fungal rotters/decayers (Basidiomycetes)
Term
CODIT
Definition
Compartmentalization of Decay in Trees
Term
CODIT factors
Definition
- Tree species
- Vigor
- Wound
Term
CCA
Definition
Chromated Copper Arsenate
-wood preservative
- carcinogenic, banned in 2003
Term
Mycorrhizal Relationships
Definition
- Fungus collects phosphorus for Plant
- Plant provide sugars, support for Fungus
Term
Ectotrophic vs. Endotrophic Mycorrhizae
Definition
Ecto -outside roots; store sugars as glycogen
-------------------
Endo - inside roots; arbuscules; young tissue
Term
Leafcutter Ants
Definition
- South America
- Collect leaf litter to feed fungus
- Fungus = food source for Queen/Larvae
-4 castes:soldiers,workers,media-workers,minima
- Leucocoprinus or Leucoagaricus
Term
Fungal Pathogen of Ant Fungal Gardens
Definition
- Escovopsis weberi
- Ants use Streptomyces spp. as antibiotic
Term
Orchid Bees
Definition
-cuplike tibia collects fragrant compounds from orchids and fungi, use for mating
Term
Termites
Definition
- Africa
- Fungus helps to digest wood fibers that termites cannot
- feed on salivary secretions from workers
Term
Ants vs. Termites
Definition
Similar: obligate mutualism; prevent fruiting
----
Differences: location;
--Termites have: king, diff. fungi species, eat food on spot, A/C architecture
Term
Lichens
Definition
Symbiotic (or parasitic) association (not mutualism) between fungi (95%) and algae (5%)
- Fungus obtains waters/minerals
- Alga conducts photosynthesis
- Fungus determines shape: crustose; foliose; squamulose; fruticose
- good environmental indicators
Term
Epiphytes
Definition
plants living on other plants
Term
Sitka Pulp Mill, Alaska
Definition
- Sulfur dioxide contamination
- Lichens absorb pollutants until death
- Elk Herd Poisioning in Wyoming
Term
Anton DeBary
Definition
- proved fungus-like organism caused Late Potato Blight
- "Father of Modern Plant Pathology/ Mycology"
Term
Flora Patterson
Definition
- stopped shipment of infected Cherry trees from Japan
-USDA Asst. Pathologist
- Increased US National Fungal Collections 10 fold.
Term
Cornelius Shear
Definition
- Introduced Crop Rotation
- Bordeaux Mixture enhancement
- Founded American Phytopathological Society
Term
Amy Rossman & Mary Palm
Definition
- Mycologists; Border Patrol Agents
- Detect fungal pathogens and intercept at the border
Term
Paul Stamets
Definition
- founder of Fungi Perfecti
- "6 Ways Mushrooms Can Save the World"
- prolific author
Term
Turfgrass Uses
Definition
1) Golf Courses
2) Athletic Fields
3) Home Lawns
Term
Fungicides
Definition
- liquid ($$$)
- granular
- microparticular granular applications
Term
Alternatives to Fungicides in Turfgrass
Definition
1) Cultivar/Species Mixtures
2) Bio-Control
3) Synthetic Turf
4) Paint Bermuda in Winter
5) Lower Standards
Term
Aspergillosis of Seafan Corals
Definition
- Aspergillus sydowii
- Fungus attacks coral polyps
- Global Warming --> more conducive to fungal growth
- Pollution --> more inoculum
Term
Coconut Lethal Yellowing
Definition
- Native Garifuna, reliant on Coconut
- caused by Mycoplasma, spread by leafhoppers blown by Hurricane Gilbert
- overfished nearby freshwater bay
Term
Biofuels
Definition
- Solid, Liquid, Gas
- Ethanol sources: corn, soybeans, grains, switchgrass (not eaten)
- Cellulosic Ethanol
Term
COSCO Busan Oil Spill
Definition
- San Francisco Bay, 2007
- Oyster mushrooms used to degrade oil collected in human hair mats
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