1. Zhu ZT (2006) Genetic improvement of Populus tomentosa. Chinese Forestry Press, Beijing, pp 155–220
2. Yao CL, Pu JW (1998) Timber characteristics and pulp properties of the triploid clones of Populus tomentosa. J Beijing For Univ 20(5):18–21
3. Zhu ZT, Lin HB, Kang XY (1995) Studies on allotriploid breeding of Populus tomentosa B301 clones. Sci Silvae Sin 31(6):499–505
4. Kang XY, Zhu ZT, Lin HB (1999) Study on the effective treating period for pollen chromosome doubling of P. tomentosa×P. bolleana. Sci Silvae Sin 35:21–24
5. Kang XY, Zhu ZT, Lin HB (2000) Radiosensitivity of different ploidy pollen in poplar and its application. Acta Genet Sin 27:78–82