Effects of sodium hypochlorite, ethanol and culture medium on seed germination of Paulownia species.

Ho, C. K., Jacobs, G. J., Donald, D. G. M., (1995). Seed Science and Technology 23(1), 157-163. English language

Cell suspension and protoplast isolation of Eucalyptus macarthurii and E. radiata.

Chang, S. H., Donald, D. G. M., (1995). Bulletin of the Taiwan Forestry Research Institute 10(4), 501-511. Taiwan Forestry Research Institut, Taiwan. English language

Micropropagation of Eucalyptus radiata ssp. radiata using explants from mature and coppice material.

Chang, S. H., Donald, D. G. M., Jacobs, G., (1992). South African Forestry Journal(No. 162), 43-47. English language

In vitro organogenesis and plantlet formation of Paulownia elongata.

Chang, S. H., Donald, D. G. M., (1992). South African Forestry Journal(No. 163), 27-29. English language

In vitro propagation of Eucalyptus radiata.

Donald, D. G. M., Newton, D. J., (1991). South African Forestry Journal(No. 157), 66-68. English language

Paulownia - the tree of the future?

Donald, D. G. M., (1990). South African Forestry Journal(No. 154), 94-98. English language

Chemical control of Hakea sericea and Hakea gibbosa seedlings.

Donald, D. G. M., Nel, F. P., (1989). Applied Plant Science 3(2), 107-109. English language

Management of radiata pine.

Lewis, N. B., Ferguson, I. S., Sutton, W. R. J., Donald, D. G. M., Lisboa, H. B., (1993). Management of radiata pine., xxiv + 404 pp. Inkata Press Pty Ltd/Butterworth-Heinemann, North Ryde, New South Wales, Australia. English language

A study of the mycorrhizal associations of Paulownia taiwaniana.

Donald, D. G. M., Hu, T. W., Cheng, W. E., (1988). South African Journal of Plant and Soil 5(2), 79-83. English language

Treatment of Eucalyptus seed to maximise germination.

Donald, D. G. M., Lundquist, J. E., (1988). South African Forestry Journal(No. 147), 9-15. English language