Wheat Diseases Flashcards
What are the three sides of the disease triangle?
Host
Pathogen
Environment
What is the variable that turns the disease triangle into a disease pyramid?
Time
Where does Common Bunt of Wheat occur?
Everywhere wheat is grown
List three bunts of wheat.
Common bunt
Dwarf bunt
Karnal bunt
What environmental conditions does common bunt thrive in?
cool and moist conditions
What other plants are in common bunt’s host range?
rye and grasses
What is the main symptom of common bunt?
fungal structures called bunt balls
What are “Bunt Balls”?
fungal structures that resemble kernels, but are completely filled with black teliospores
What odor is caused by common bunt?
a fishy smell
Can plants infected with common bunt be stunted?
Yes, but less severe than dwarf bunt