BESC 204 Exam 2 Material Questions and Answers 2024 New Update
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Module
BESC 204
Institution
BESC 204
BESC 204 Exam 2 Material Questions and Answers 2024 New Update
What is the fungus responsible for coffee rust? - Answer-Hemileia vastatrix
Describe stinking smut. - Answer-was seed borne, black, powdery spores were the cause of the disease, washing seed grains suppressed disease
What is th...
BESC 204 Exam 2 Material
Questions and Answers
2024 New Update
What is the fungus responsible for coffee rust? - Answer-Hemileia vastatrix
Describe stinking smut. - Answer-was seed borne, black, powdery spores were the
cause of the disease, washing seed grains suppressed disease
What is the fungus responsible for stinking smut? - Answer-Tilletia foetida
Describe soybean rust. - Answer-soybeans, causes premature loss of foliage
What is the fungus responsible for soybean rust? - Answer-Phakospora pachyrhizi;
most virulent
Who is Robigus? - Answer-rust God; destroyed the wheat crop with an illness that left
plants with reddish-brown lesions as if burned by fire
What is the origin of gingerbread? - Answer-scientist didn't want to waste infected grain
but couldn't sell it because of the smell. he experimented and covered the dark color
with molasses and the odor with ginger.
Development of teliospores: - Answer-germinate by formation of basidium
Development of basidiospores: - Answer-1. diploid nucleus migrates into developing
basidium and undergoes meiosis
2. septa formed in response in meiotic division
3. each cell of basidium forms sterigmata; basidiospores forcibly discharged
invasive species - Answer-a non-indigenous or non-native species that adversely
affects the habitat it invades economically, environmentally, or ecologically
What factors contribute to the severity of introduced species? - Answer-world trade,
movement of people, biocontrol, climate change
What is the fungus of chestnut blight? - Answer-Cryphonectria parasitica
, How was chestnut blight introduced to U.S.? - Answer-thought to have come to the
country on some Japanese and Chinese chestnut trees
What is hypovirulence? - Answer-strains are sick, grow slowly, sporulate poorly and
don't spread
What is the fungus of the dutch elm? - Answer-Ophopstoma ulmi
What is the vector of the Dutch elm disease? - Answer-European bark beetle
How was the Dutch elm disease introduced to the U.S.? - Answer-European bark
beetle; invasive species from europe
Where is the sudden oak death occurring? - Answer-in the U.S. on the west coast
What roles are humans playing in Sudden Oak death? - Answer-spores are thought to
be spread via human activity; hikers, mountain bikers
What is the fungus associated with Sudden Oak death? - Answer-Phytophthora
ramorum
What fungi does sudden oak death belong to? - Answer-Oomycota
Where is amphibian decline happening? - Answer-Australia and central america
What is the role humans play in amphibian decline? - Answer-habitat loss, pollution,
disease, climate change
What is the fungus associated with Amphibian decline? - Answer-Batrachochytrium
dendrobaditis
What group of fungi does Amphibian decline belong to? - Answer-Chytrid.
Where is White Nose Syndrome occurring? - Answer-Canada and the U.S.
What is the role humans are playing in White Nose Syndrome? - Answer-exploration of
caves
What is the fungus associated with White Nose Syndrome? - Answer-
Pseudogymnoascus destructans
Oomycota - Answer-closely related to algae
What are Oomycota characterized by? - Answer-the production of oospores (sexual)
and zoospores (asexual)
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