Concepts of Plant Disease and Causes of Plant Disease Flashcards
1
Q
Three important prerequisites for establishment of disease:
A
susceptible host
virulent pathogen
favorable environment
2
Q
The manifestation of the reaction or changes as result of a disease plant.
This may be external or internal.
A
Symptoms
3
Q
3 General Classification of Plant disease symptoms:
A
Necrotic
Hypoplastic
Hyperplastic
4
Q
Classification of disease symptom which involves cell degeneration
A
Necrotic
5
Q
Classification of disease symptom where failure of cell multiplication occurs
A
Hypoplastic
6
Q
Classification of disease symptom which involves over multiplication of cells
A
Hyperplastic
