Which one of the following pairs is not correctly matched

Solution(By Examveda Team)

Stone or epicotyl grafting is a simple, cheap and quick method of mango propagation with a success rate of 75 - 80%.
Strawberries cannot be propagated by cuttings. So, it is wrongly matched pair. It can propagated by runners.
Tongue or whip grafting is one of the oldest methods of asexual plant propagation. It is predominant propagation method used on apples.
Ring or annular budding is a type of budding, in this a complete ring of bark is removed from the stock and it is completely girdled. It is used in jujube propagation.