4.1 Fungal Diseases Flashcards
Where can fungal diseases cause devastation?
In plants
Are fungi prokaryotic or eukaryotic?
Eukaryotic
Most are multicellular but some single like what?
Yeast
Many are saprophytes what do these do?
Feed on dead matter
How do they obtain their energy?
Extra cellular digestion
Fungi spread rapidly by producing what?
Spores
What is a fungi’s mode of action?
Digest living cells and destroy them
Give an example of a fungal disease in humans:
Athletes foot
(Athletes foot) rash caused by a fungus usually appearing where?
Toes
Thrive in warm dark places
(Athletes foot) what is the fungus causing it?
Tinea pedis
(Athletes foot) what does it do to the skin?
Makes it dry Sore Cracked Red Soggy Scaly
(Athletes foot) how does the infection spread?
Scratching infected skin and touching other areas of the body
Others touching infected skin or contaminated surfaces
(Athletes foot) how is it treat?
Antifungals
Give an example of a fungal disease in animals:
Ringworm
(Ringworm) spreads by what?
Direct contact with infected animal
(Ringworm) what are the symptoms?
Grey areas of skin circular and slightly raised
Mainly on eyes ears and back
(Ringworm) how is it treat and controlled?
Medication onto lesion
Disinfecting environment
Vaccination
Give an example of a fungal disease in plants:
Black Sigatoka
(Black Sigatoka) spots appear on the surface of the lead which grow into what?
Streaks
(Black Sigatoka) what happens to the streaks?
Darken and enlarge
(Black Sigatoka) in severe cases large areas of leaves become what?
Blackened or water soaked
(Black Sigatoka) significant reductions of what?
Leaf surface area
(Black Sigatoka) causes premature ripening and what?
Defects in fruit
(Black Sigatoka) how is it treat or controlled?
Chemical controls
Removal of infected leaves
