References
- DWIVEDI, N. K., N. SURYANARAYANA, A. K. SIKDAR, B. N. SUSHEELAMMA and M. S. JOLLY (1989): Cytomorphological studies in triploid mulberry evolved by diploidization of female gamete cells. Cytologia 54: 13-19.10.1508/cytologia.54.13
- JOHNSSON, H. and C. EKLUNDH (1940): Colchicine treatment as a method in breeding hardwood species. Svensk Papp Tidn 43: 373-377.
- KANG, X. Y. and Z. T. ZHU (1997): A study on the 2n pollen vitality and germinant characteristics of white poplars. Acta Botanica Yunnanica 19 (4): 402-406.
- KANG, X. Y. (1996): Chromosome count and shape of poplar. Journal of Gansu Agricultural University 31(1): 67-70.
- KANG, X. Y., Z. T. ZHU and H. B. LIN (1999): Study on the effective treating period for pollen chromosome doubling of Populus tomentosa x P. bolleana. Scientia Silvae Sinicae 35(4): 21-24.
- KANG, X. Y., Z. T. ZHU and H. B. LIN (2000): Radiosensitivity of different ploidy pollen in poplar and its application. Acta Genetica Sinica 27(1): 78-82.
- LI, Y., Z. T. ZHU, Y. T. TIAN, Z. Y. ZHANG and X. Y. KANG (2001): Studies on obtaining triploids by colchicine treating female flower buds of white poplars. Scientia Silvae Sinicae 37(5): 68-74.
- MASHKINA, O. S., L. M. BURDAEVA, M. M. BELOZEROVA and L. N. V’YUNOVA (1989): A method of inducing diploid pollen in woody species. Lesovedenie 1: 19-25 (in Russian).
- MA, S.-M., X.-L. YE, N.-X. ZHAO and C.-Y. LIANG (2002): Embryological studies on facultative apomixis in apluda mutica (Gramineae). Acta Botanica Sinica 44(3): 259-263.
- SCHLARBAUM, S. E. (1991): Cytogenetics of forest tree species. In: TSUCHIYA, T. and P. K. GUPTA, eds. Chromosome engineering in plant genetics and breeding. Vol. Elsevier Science Publ., Netherlands, p. 593-618.
- WINTON, L. L. (1968): Fertilization in forced quaking aspen and cottonwood. Silvae Genetica 17(1): 20-21.
- ZHANG, Z. Y. and F. L. LI (1992): Studies on chromosome doubling and triploid breeding of white poplar (_)-The techniques of the pollen chromosome doubling, Journal of Beijing Forestry University, vol.14, Supp. 3: 52-5.
- ZHENG, X. Q., X. S. ZENG, X. M. CHEN and G. L. YANG (1983): A new method for inducing triploid of Hevea brasiliensis. Chinese Journal of Tropical Crops 4(1): 1-4.
- ZHU, Z. T., H. B. LIN and X. Y. KANG (1995): Studies on all triploid breeding of Populus tomentosa B301 clones. Scientia Silvae Sinicae 31(6): 499-505.