BESC 204 - Beneficial Fungi Questions with complete solution
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Course
BESC 204
Institution
BESC 204
BESC 204 - Beneficial Fungi Questions with complete solution What are some uses of beneficial fungi? - correct answer -plant interactions (mycorrhizal and endophytes)
-drug and chemical production
-food
-decomp
-biocontrols
-environmental stress tolerance
endophytic fungi - correct answ...
BESC 204 - Beneficial Fungi Questions
with complete solution
What are some uses of beneficial fungi? - correct answer ✔-plant
interactions (mycorrhizal and endophytes)
-drug and chemical production
-food
-decomp
-biocontrols
-environmental stress tolerance
endophytic fungi - correct answer ✔-promote plant growth
-improve resistance to insects by production of sec met or inducing defenses
***study chart slide 7***
piriformospora indica - correct answer ✔-originally a root endophyte, later
envolved mycorrhizal interactions
-piriform (pear shaped spores)
-causes higher rates of plant growth, adapating to stresses, early flowering,
higher seed yield, alteration in sec met
, antibiosis - correct answer ✔secreting an enzyme to harm another (doesn't
have to be positive)
repellent - correct answer ✔substance deters an organism from approaching
or settling in an area (psilocybin)
predation - correct answer ✔one organism kills and feeds on another
parasitism - correct answer ✔one organism derives energy from another
hyperparasitism - correct answer ✔a parasite is feeding on a parasitic host
induced systemic resistance - correct answer ✔presence or action of an
organism causes a host to increase its own resistance to a pest or pathogen
(trichoderma)
Why use fungi as biocontrol agents? - correct answer ✔1. reduced use of
chemical pesticides
2. high reproductive capacity
3. short generation time
4. often specific to a particular host
5. resting/resistant stages (persistence in environment)
disadvantages of using fungal biocontrol - correct answer ✔1. may only
damage rather than kill hosts
2. may only reduce rather than kill a whole population
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