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PCA PLANT PATHOGENS EXAM NEWEST 2025
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
which type of pathogen decimation method is responsible for
most frequent and most wide spread plant disease epidemics -
ANSWER-air borne
most soil born diseases are - ANSWER-single cycled diseases
serious epidemics are more likely to occur from a multiple
cycled disease rather than a single cycled disease because -
ANSWER-multiple cycled diseases produce secondary
inoculum that can cause secondary infections
sanitation practices are often a more effective management tool
for single cycled diseases then multi cycled diseases because -
ANSWER-in a single cycled disease the primary incoculum is
the only inocuclum available for the entire season
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a race of a pathogen refers to - ANSWER-a group of pathogens
within a species that infects only certain varieties of a host plant
the time between host penetration and the first appearance of
symptoms is called the - ANSWER-incubation period
a mushroom is an example of a - ANSWER-basidocarp
most fungal disease that attack flowers are favored by -
ANSWER-wet weather
fungi penetration the host plant by directly penetration of -
ANSWER-open wounds
obligate fungal parasites - ANSWER-are unable to feed on dead
cells
at times it is difficult to determine the casual agent of a disease
because various agents result in similare symptoms. which of the
following symptoms are similare - ANSWER-wilts (verticillium
and fusarium)
PCA PLANT PATHOGENS EXAM NEWEST 2025
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
which type of pathogen decimation method is responsible for
most frequent and most wide spread plant disease epidemics -
ANSWER-air borne
most soil born diseases are - ANSWER-single cycled diseases
serious epidemics are more likely to occur from a multiple
cycled disease rather than a single cycled disease because -
ANSWER-multiple cycled diseases produce secondary
inoculum that can cause secondary infections
sanitation practices are often a more effective management tool
for single cycled diseases then multi cycled diseases because -
ANSWER-in a single cycled disease the primary incoculum is
the only inocuclum available for the entire season
, 2|Page
a race of a pathogen refers to - ANSWER-a group of pathogens
within a species that infects only certain varieties of a host plant
the time between host penetration and the first appearance of
symptoms is called the - ANSWER-incubation period
a mushroom is an example of a - ANSWER-basidocarp
most fungal disease that attack flowers are favored by -
ANSWER-wet weather
fungi penetration the host plant by directly penetration of -
ANSWER-open wounds
obligate fungal parasites - ANSWER-are unable to feed on dead
cells
at times it is difficult to determine the casual agent of a disease
because various agents result in similare symptoms. which of the
following symptoms are similare - ANSWER-wilts (verticillium
and fusarium)
