Distinguish:
1. Existing fruit is sold with an agreement to remove it immediately.
2. Existing fruit is sold outright with no condition that it be left attached.
Both fit Quduri's rule that cutting follows the sale, although in the second case that duty arises from the rule rather than an express contractual condition.
An agreement that the fruit must remain on the seller's tree until later is a different stipulation, addressed in the next sentence.