HORTICULTURE SCIENCE
PLANT DISEASES PATHOGENS THEIR SURVIVAL AND SPREAD
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following indicates a plant has a disease?
|
|
Stunted growth
|
|
|
Spots on leaves
|
|
|
Decay or rot
|
|
|
All of the above
|
Explanation:
Detailed explanation-1: -Infectious plant diseases are mainly caused by pathogenic organisms such as fungi, bacteria, viruses, protozoa, as well as insects and parasitic plants [1].
Detailed explanation-2: -The disease triangle points out that, three favorable conditions must coexist to cause a disease problem. These three are the virulent pathogen (one that can cause disease), a susceptible host (plant) and suitable environmental conditions.
There is 1 question to complete.