Root characteristics of several Pinus radiata genotypes growing on different sites in Gippsland [Victoria]
1991
Theodorou, C. | Bowen, G.D. (Commonwealth Scientific and Industrial Research Organisation, Glen Osmond (Australia). Div. of Soils) | Cameron, J.N. (APM Forests Pty Ltd, Morwell (Australia))
In field studies on 6 families growing on 4 different sites, genetic differences occurred between the families in the expression of root characteristics. There was a strong family x site interaction indicating that particular genotypes may express their root characteristics differently in different environments. There were significant differences in the expression of root characteristics between different sampling times. Significant site x family x season interactions suggest that sampling times need to be chosen carefully for proportion of active roots, number of short roots and percent mycorrhiza.
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