PCA PLANT PATHOGENS EXAM
2025 | ALL QUESTIONS AND
CORRECT ANSWERS | NEWEST
EXAM | GRADED A+ | VERIFIED
ANSWERS (JUST RELEASED)
Save
Terms in this set (372)
Plant Disease Abnormal physiological processes
Definition caused by a causal pathogen
Economic Losses of yield, crops, inputs, land
significance of
plant diseases
Pathogen Causal agent of disease
Signs of disease Structures of the pathogen
, Symptoms of Plant response to pathogen
disease infection
Abiotic factors Air pollution, temperature, nutrients
of plant disease
Biotic factors of Living organisms (fungi, bacteria,
plant disease viruses)
Obligate unable to grow outside of a living
parasite host
prefers living organic matter as a
Facultative source of nutrition but can adapt to
saprophyte the use of dead organic matter
under certain conditions
A pathogen that prefers dead
Facultative inorganic material, but can also
parasite obtain nourishment from living
organic material
Any parasite that cannot survive in a
Biotroph dead host and therefore keeps it
alive
Necrotroph Parasite that kills host cells
2025 | ALL QUESTIONS AND
CORRECT ANSWERS | NEWEST
EXAM | GRADED A+ | VERIFIED
ANSWERS (JUST RELEASED)
Save
Terms in this set (372)
Plant Disease Abnormal physiological processes
Definition caused by a causal pathogen
Economic Losses of yield, crops, inputs, land
significance of
plant diseases
Pathogen Causal agent of disease
Signs of disease Structures of the pathogen
, Symptoms of Plant response to pathogen
disease infection
Abiotic factors Air pollution, temperature, nutrients
of plant disease
Biotic factors of Living organisms (fungi, bacteria,
plant disease viruses)
Obligate unable to grow outside of a living
parasite host
prefers living organic matter as a
Facultative source of nutrition but can adapt to
saprophyte the use of dead organic matter
under certain conditions
A pathogen that prefers dead
Facultative inorganic material, but can also
parasite obtain nourishment from living
organic material
Any parasite that cannot survive in a
Biotroph dead host and therefore keeps it
alive
Necrotroph Parasite that kills host cells