Institution: | 1.State Key Laboratory of Forest Genetics and Tree Breeding,Northeast Forestry University,Harbin,China;2.Agronomy College,Heilongjiang Bayi Agricultural University,Daqing,China;3.Academy of Forestry,Northwest Agriculture and Forestry University,Yangling,China;4.Liaoning Forestry Vocational and Technical College,Shenyang,China |