Which of the following defects is not considered a defect of apples?

Seed stems are not considered a defect of apples because they are a natural part of the fruit's anatomy. Seed stems are the small structures that are attached to the seeds inside the apple, and their presence is expected in any apple that is mature and developed. They do not affect the wholesale value or quality of the apple as they would typically not impact its appearance, taste, or texture negatively.

In contrast, surface scald can lead to a visual defect that may deter consumers, bruising affects the flesh and makes the apple undesirable, and watercore involves internal cellular changes that could affect the flavor and overall quality of the fruit. These indicators can negatively impact consumer acceptance and marketability, distinguishing them as defects worthy of concern.