1 - 7 of 7 articles
SUMMARY Major primary defoliators in commercial eucalypt forests are the beetle Chrysophtharta bimaculata, the phasmatids Didymuria violescens and Podacanthus wilkinsoni, and the moths Perthida glyphopa and Uraba lugens. The foliage of young eucalypts on grassy sites is attacked by a range of...
SUMMARY Most new attacks on host trees by the mahogany shoot borer occurred in September, October and November, coinciding with the rainy season and the flush of new growth on the trees. Adult moths were active throughout the year but few were caught in light traps from late December to late...
SUMMARY Recent studies with some native species have demonstrated the presence of considerable genetic variability between populations (or provenances), and have shown that local populations are not necessarily the best in terms of growth rate or other qualities. Increases in productivity would...
SUMMARY Since grafted stock may develop incompatibility symptoms it is preferable to use rooted cuttings for establishment of clonal seed orchards of Pinns radiata. Details of the propagating bed system and cultural procedures used for propagating mature clones in Gippsland, Victoria are...
SUMMARY The adaptive traits which enable natural vegetation to withstand destruction of their aerial parts differ with species and their natural environment. In this paper the vegetative reproduction traits of a number of woody perennial species in the Katherine-Darwin region are examined in...
SUMMARY Use of the “Speedy” moisture meter, utilising acetylene gas pressure developed on mixing finely divided fuels and calcium carbide for direct estimation of fuel moisture content, is described. Results of work aimed at determining pine needle and eucalypt litter moisture contents are...
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