Authors
D. Zhang
Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education,, Beijing, China
Institute of Chinese White Poplars, Beijing Forestry University,, Beijing, China
Z. Zhang
Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education,, Beijing, China
Institute of Chinese White Poplars, Beijing Forestry University,, Beijing, China
K. Yang
Beijing Agricultural College,, Beijing, China