You Are Examining a Field of Crop Plants and Notice

question 32

Multiple Choice

You are examining a field of crop plants and notice that many of the leaves have small scattered necrotic spots on them, but none are completely diseased. You then examine the shoot apical meristems of the plants and notice that the most recently formed internodes and leaves are expanding to their usual size. You conclude that the infection is likely:

• A)necrotrophic
• B)biotrophic
• C)virulent
• D)avirulent