PCA - PLANT PATHOGENS QUESTIONS AND ANSWERS 2025

PCA - PLANT PATHOGENS 2025
ANSWER ALL QUESTIONS IN THIS SECTION



QUESTION 1



which of the following practices is an example of sanitation - answers-selectively
removing mummified fruit from over wintering in trees



QUESTION 2



which of the following disease can be reduced by the removal of an alternate host -
answers-white pine blister rust



QUESTION 3



antagonistics are - answers-organisms that inhibit the growth for reproduction of a
plant pathogen



QUESTION 4



successful biological control is avialable for which bacterial disease - answers-
crown gall



END OF
PAGE
1

, PCA - PLANT PATHOGENS 2025

QUESTION 5



most effective way to use soil solarization to kill soil borne pathogens is to place -
answers-clear polyethane plastic over moist soil



QUESTION 6



fumigants effectively control soil borne diseases because - answers-in a gaseous
state they diffuse easily through the soil



QUESTION 7



sanitation of storage warehouses - answers-is important for control of post harvest
diseases



QUESTION 8



which of the following would be a viable method to control plant viruses that are
vectored by insects - answers-use vector free plant protocols




END OF
PAGE
2