Disease- Causing Fungi
Feb 22, 2016
Disease-Causing
Fungi
Discuss three diseases you know something about. What are the effects of these diseases?
Essential Question
How do disease-causing fungi affect plants?
?
Fungi:• One of the five kingdoms of organisms.• Not autotrophs (can’t make their own
food)• Many fungi grow in or on other organisms
Fungi are heterotrophs, but they don’t move. How do they get their food?
Fungi & Plants• Some Fungi cause diseases in those plants
that result in huge crop losses.• A Fungus infected tree, fruit or grass can
eventually be killed• Examples: –Grain Mold–Corn Smut–Wheat Rust
Mold growth covering a decaying peach.
Why is wheat rust dangerous?
Why is corn smut dangerous?
Crops Affected by Fungi• Corn• Wheat• Rice• Cotton• Rye• Soybeans
Irish Potato Famine
Read the first four paragraphs on this site:http://www.historyplace.com/worldhistory/famine/begins.htm
What affect did the potato famine have on Ireland and the United States?
Are Fungi The “Bad Guys”?• Some fungi are helpful.• Fungi help decompose
(break down) dead things• People use some fungi as
medicine (penicillin)• Some animals
eat fungi
Corn SmutHelpful or Harmful?
Wheat RustHelpful or Harmful?
MushroomsHelpful or Harmful?
Grain MoldHelpful or Harmful?
Penicillin Helpful or Harmful?
Fungi on Dead Tree TrunkHelpful or Harmful?