Current status of the study on seeds resource and propagation of Betula platyphylla Suk.

Seeds resource and propagation of Betula platyphylla Suk. are important in Betula platyphylla Suk. studies in recent years. All theoretics are almost accord in Seeds Resource of Betula platyphylla Suk.. We had not a economical and efficiency method to propagate Betula platyphylla Suk. now .This paper made a brief review on Betula platyphylla Suk. distributing and seeds resource, and on research method on storage and propagation of Betula platyphylla Suk..And more ways were brought forward to study Betula platyphylla Suk. on these problems in existence of the two parts.