Why is Mao Dujuan a grafting artifact?

Mao Dujuan is a grafting artifact, because Mao Dujuan is adaptable. According to relevant data, Mao Dujuan's stems are short and stout, fluffy all over, with strong branching ability and good adaptability. The key is that it grows very fast, and it can grow into a big tree in two years, which is very consistent with the purpose of grafting azaleas. Rhododendron grafting is usually carried out in spring, when grafting is easy to survive, which is beneficial to improve the survival rate.