PCA PLANT PATHOGENS EXAM NEWEST 2026
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS||VERIFIED EXAM!!! (VERIFIED
ANSWERS) |ALREADY GRADED A+||NEWEST EXAM!!!
When collecting samples to send to a lab for disease
confirmation - ANSWER-label samples with the crop name
soil type and the date
Disease forcasting - ANSWER-all of the above
Field sampling for plant pathogens often focuses on the
collection of temp and moisture data because - ANSWER-
these environmental factors determine when control
measures should be used to prevent damage
A diagnostic test used to identify a fungal disease is -
ANSWER-culturing on selected nutrient media
Plant pathogens can be - ANSWER-a factor in integrated
pest management for controlling insects and mites
Powdery mildews are caused by - ANSWER-funguses
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Which of the following is a sign of a disease - ANSWER-
white mycelium on twigs and fruit
Some abiotic factors that cause plant disease are -
ANSWER-air pollutants
Which of the following biotic factors contribute to plant
diesease - ANSWER-viroids and viruses
A non obliate parasite - ANSWER-can live on either a
living or a dead hosts
Kotch postulates are readily implemented for - ANSWER-
fungi
An example of human impact in the development in plant
disease is - ANSWER-the use of preventative fungicide
applications
Anthracnose diseases cannot occur without - ANSWER-
the presence of the pathogen in the soil