1. From the leaf shape, the tail of Dongkui Myrica rubra seedlings is slightly crescent-shaped, with obvious tip, especially the old leaves. The tips of other Myrica rubra seedlings are slightly curved, and there is no Dongkui Myrica rubra tip.

2. From the color of leaves, grafted seedlings have dark green leaves, short internodes, slightly inclined seedlings, few branches, no obvious advantages at the top, green buds at the top and red and yellow buds at the top;

3. Observe whether the leaves of grafted leaves are engraved, and the leaves of Dongkui Myrica rubra grafted seedlings are engraved, which is an important feature to distinguish grafted seedlings from seedlings.