Journal
PHYTON-INTERNATIONAL JOURNAL OF EXPERIMENTAL BOTANY
Volume 91, Issue 8, Pages 1585-1599Publisher
TECH SCIENCE PRESS
DOI: 10.32604/phyton.2022.020372
Keywords
Betula platyphylla; conventional breeding; molecular breeding; genetic improvement
Categories
Funding
- Scientific Research Start-Up Funds of Jilin Agricultural University [2021002]
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This paper reviews the genetic improvement of Betula platyphylla and discusses the previous research results from conventional breeding and molecular breeding. It provides ideas for future breeding of B. platyphylla by addressing some issues and proposing corresponding solutions.
Birch (Betula platyphylla Suk.), distributed in Eurasia, North America, and Australia, is a kind of cold-resistant, fast-growing, and vital pulpwood tree species. It is also one of the most important ecological restoration tree species with high values of economic benefits in Northeast China. To improve the genetic gain and expand the economic benefit of B. platyphylla, many genetic improvements have been carried out. In China, B. platyphylla is widely distributed and varied, and there are many varieties with excellent genetic characteristics. In this paper, the genetic improvement of B. platyphylla was reviewed, and the previous research results were discussed from two aspects: conventional breeding and molecular breeding. Some problems and corresponding solutions in the genetic improvement were put forward to provide ideas for B. platyphylla breeding in the future.
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