Plant Diseases
Disease (definition):
- dis - malfunction, not sufficient, poor
- ease - well-being, health
- disease - poor health, lack of well-being
Infectious Diseases: caused by a pathogenic organism.
- fungus
- bacteria
- virus
Cultural Diseases: caused by poor growing conditions.
- over-watering
- poor drainage
- drought
- temperature extremes, weather
- chemical damage
- physical damage
- poor nutrition, incorrect pH level in soil for that plant
- incorrect light and temperature conditions