Plant diseases

Cards (12)

How can plant diseases be detected
Elimination of possible environmental causes
Distribution analysis of affected plants
Observation of visible symptoms
Diagnostic testing to identify pathogens
Why's it important to eliminate possible environmental causes for plant diseases
To easily treat plant for the correct thing
How can environmental causes be eliminated
Change the environment conditions + see if it has a positive effect
Why is the study of the distribution of plant diseases important
To analyse + identify the type of pathogen involved
What does a random distribution of diseased plants indicate
pathogen spread through air
What is a plant pathologist
expert in plant diseases
What is a visible symptom
observing physical change in plants
What is a symptom of crown gall disease
galls on the plant
Name 2 ways of testing for a specific pathogen
Detecting antigen
Detecting DNA
What is an antigen
protein that appears on surface of pathogens
Why can antigens be used to detect pathogens
As antigens are unique to each pathogen
Using lymphocytes they can create complementary antibodies that destroy them
How can DNA be used to detect pathogens
DNA from a particular pathogen are present in infected plant's tissue
Scientists can detect small amount of pathogen's DNA to identify which pathogen is present