Ch 29 Plant MB Flashcards
What is the Rhizoplane?
The plant root surface
What is the Rhizosphere?
Region of soil that receives substances from the root
What do mycorrhizae do?
Increase water and mineral uptake in plants
True or False: Ectomycorrhizae penetrate the hyphae cells
False
Nitrogen fixation: Symbiosis
Rhizobium, sucrose from host plant, 50-400
Nitrogen fixation: Association
Azosprillum, roots grow from host plant, 10-200
Nitrogen fixation: Free-living
Rhodospirillum, heterotroph and autotroph, 1-2 and 10-80
What does brown rot do?
Degrades cellulose and hemicellulose lignin remains
What does soft rot do?
Degrades cellulose and hemicellulose and some lignin.
Checking
What does white rot do?
Degrades cellulose, hemicellulose, and lignin
What is white rot used for?
Food, art, medicine