Authors
G. J. van den Berg
gert.vandenberg@mondigroup.co.za
Mondi Forests (Pty) Ltd, P.O. Box 12,, Hilton, South Africa
Faculty of Natural and Agricultural Sciences, University of Pretoria, 2 Lynnwood Road, Hatfield,, Pretoria, South Africa
S. D. Verryn
Creation Breeding Innovations cc, 75 Kafue Street, Lynnwood Glen,, Pretoria, South Africa
Faculty of Natural and Agricultural Sciences, University of Pretoria, 2 Lynnwood Road, Hatfield,, Pretoria, South Africa
P. W. Chirwa
Faculty of Natural and Agricultural Sciences, University of Pretoria, 2 Lynnwood Road, Hatfield,, Pretoria, South Africa
F. Van Deventer
Mondi Forests (Pty) Ltd, P.O. Box 12,, Hilton, South Africa