You are out working in your garden,and you notice that one of your favorite flowering plants has black,dead spots on the leaves.You immediately suspect that the plant has been invaded by a pathogen and has initiated a(n)_____.

Question

Quizplus · Accepted Answer

The presence of black, dead spots on the leaves of a plant is a common symptom associated with pathogen invasion. The plant's response to the pathogen invasion is to activate a hypersensitive response, which involves the localized and rapid death of cells in the affected area of the plant. This response is designed to prevent the spread of the pathogen to other areas of the plant. Avirulence, virulence, and resistance responses are also important components of plant defense against pathogens, but they are not the most appropriate options in this scenario.

You Are Out Working in Your Garden,and You Notice That