What defines a plant disease?

A plant disease is defined as any factor that hinders a plant from reaching its full potential.

Fill in the blank: A(n) ___ is an organism that causes disease in plants, including viruses, bacteria, fungi, and parasites.

Pathogen

True or False: A vector is an organism that directly causes disease in plants.

False. A vector spreads infection by transmitting pathogens from one host to another but does not directly cause disease.

What role does a host play in the context of plant diseases?

A host is an organism that provides a habitat for another organism, either inside or nearby, in a symbiotic relationship.

Fill in the blank: Symptoms of plant diseases are ___ evidence of disease or physical disturbance.

visible

What type of organism includes bacteria, viruses, and fungi that can cause diseases in plants?

Pathogen

True or False: Fungal plant diseases are one of the types of plant diseases recognized in botanical studies.

True

Explain the function of a vector in plant disease transmission.

A vector is an organism that transmits pathogens from one host to another, facilitating the spread of plant diseases without causing them directly.

What is a common example of a symptom that might indicate a plant disease?

Examples of symptoms include wilting, yellowing of leaves, or stunted growth.

Fill in the blank: Viruses and viroids are types of ___ plant diseases.

Viral

What characterizes bacterial plant diseases?

Bacterial plant diseases cause tissue damage.

• Involves harmful bacteria.

• Causes symptoms like wilting.

• Leads to rotting in plants.

True or False: All plant diseases are caused by pathogens.

False. While pathogens are a primary cause, environmental factors can also lead to plant diseases.