1|Page
PCA PLANT PATHOGENS EXAM NEWEST 2025
COMPLETE 100 QUESTIONS AND 100%CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+|BRAND NEW!!
Which of the following can be used to detect a viral
pathogen - ANSWER-electron microscope
Which of the following viruses is not transmitted by aphids
- ANSWER-beet curly top gemini virus
Grape fan leaf virus - ANSWER-reduces fruit production
Lettuce mosaic potyvirus - ANSWER-has a very wide host
range
,2|Page
What is one of the most stable viruses that is easily
trasnmitted mechanically and becomes problematic with
poor green house sanitaiion? - ANSWER-tobacco mosaic
virus
Which of the following practices is an example of
sanitation - ANSWER-selectively removing mummified fruit
from over wintering in trees
Pruning fire blight out of trees in the summer - ANSWER-
all of the above
, 3|Page
Which of the following disease can be reduced by the
removal of an alternate host - ANSWER-white pine blister
rust
Antagonistics are - ANSWER-organisms that inhibit the
growth for reproduction of a plant pathogen
Successful biological control is avialable for which
bacterial disease - ANSWER-crown gall
Most effective way to use soil solarization to kill soil borne
pathogens is to place - ANSWER-clear polyethane plastic
over moist soil
PCA PLANT PATHOGENS EXAM NEWEST 2025
COMPLETE 100 QUESTIONS AND 100%CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+|BRAND NEW!!
Which of the following can be used to detect a viral
pathogen - ANSWER-electron microscope
Which of the following viruses is not transmitted by aphids
- ANSWER-beet curly top gemini virus
Grape fan leaf virus - ANSWER-reduces fruit production
Lettuce mosaic potyvirus - ANSWER-has a very wide host
range
,2|Page
What is one of the most stable viruses that is easily
trasnmitted mechanically and becomes problematic with
poor green house sanitaiion? - ANSWER-tobacco mosaic
virus
Which of the following practices is an example of
sanitation - ANSWER-selectively removing mummified fruit
from over wintering in trees
Pruning fire blight out of trees in the summer - ANSWER-
all of the above
, 3|Page
Which of the following disease can be reduced by the
removal of an alternate host - ANSWER-white pine blister
rust
Antagonistics are - ANSWER-organisms that inhibit the
growth for reproduction of a plant pathogen
Successful biological control is avialable for which
bacterial disease - ANSWER-crown gall
Most effective way to use soil solarization to kill soil borne
pathogens is to place - ANSWER-clear polyethane plastic
over moist soil
