PCA PLANT PATHOGENS EXAM NEWEST 2025 COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
.a diagnostic test used to identify a fungal disease is - ANSWER-culturing on
selected nutrient media
.a key competent of an integrated pest managment program for the control of a
plant pathogens in both annual and perennial cropping systems is - ANSWER-
starting with disease free planting material
.a mushroom is an example of a - ANSWER-basidocarp
.a non obliate parasite - ANSWER-can live on either a living or a dead hosts
.a race of a pathogen refers to - ANSWER-a group of pathogens within a species
that infects only certain varieties of a host plant
.abundant white fluffy mycellium is a typical sign of - ANSWER-scriptorium
infection
.an example of human impact in the development in plant disease is - ANSWER-
the use of preventative fungicide applications
.antagonistics are - ANSWER-organisms that inhibit the growth for reproduction
of a plant pathogen
, .anthracnose diseases cannot occur without - ANSWER-the presence of the
pathogen in the soil
.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)
.bacterial canker in tomatoes is commonly spread by all of the following execpt?
- ANSWER-leaf hoppers
.bacterial plant pathogens are - ANSWER-prokaryotes
.bacterial soft rot of vegetables is generally controlled by which of the following
measures - ANSWER-all of the above
.cause of crown gull of fruit trees in many ornamentals, is in what genus -
ANSWER-agrobacterium
.chemically treated seed - ANSWER-inactivates pathogens on the seed surface
.clumped distribution of a plant disease in a field can be attributed too -
ANSWER-a root pathogen spreading from an initial infection site
.common name for this disease is called - ANSWER-club root
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
.a diagnostic test used to identify a fungal disease is - ANSWER-culturing on
selected nutrient media
.a key competent of an integrated pest managment program for the control of a
plant pathogens in both annual and perennial cropping systems is - ANSWER-
starting with disease free planting material
.a mushroom is an example of a - ANSWER-basidocarp
.a non obliate parasite - ANSWER-can live on either a living or a dead hosts
.a race of a pathogen refers to - ANSWER-a group of pathogens within a species
that infects only certain varieties of a host plant
.abundant white fluffy mycellium is a typical sign of - ANSWER-scriptorium
infection
.an example of human impact in the development in plant disease is - ANSWER-
the use of preventative fungicide applications
.antagonistics are - ANSWER-organisms that inhibit the growth for reproduction
of a plant pathogen
, .anthracnose diseases cannot occur without - ANSWER-the presence of the
pathogen in the soil
.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)
.bacterial canker in tomatoes is commonly spread by all of the following execpt?
- ANSWER-leaf hoppers
.bacterial plant pathogens are - ANSWER-prokaryotes
.bacterial soft rot of vegetables is generally controlled by which of the following
measures - ANSWER-all of the above
.cause of crown gull of fruit trees in many ornamentals, is in what genus -
ANSWER-agrobacterium
.chemically treated seed - ANSWER-inactivates pathogens on the seed surface
.clumped distribution of a plant disease in a field can be attributed too -
ANSWER-a root pathogen spreading from an initial infection site
.common name for this disease is called - ANSWER-club root
