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SUMMARY Information systems are increasingly affecting the work of all foresters. This paper discusses some of the implications, suggesting how foresters might best take advantage of the services they offer. The steps involved in implementing an information system are described.
SUMMARY Poplars have been sporadically introduced into Australia since the mid 1800s. The first systematic introductions were made in 1947 as part of a large-scale species introduction program. Systematic provenance studies of the main plantation species, Populus deltoides Marsh, were started in...
SUMMARY Clones of Populus spp. growing in a relatively uniform field environment near Canberra appear to differ in the form and degree of resistance to the two leaf rusts Melampsora medusae Thum, and M. larici-populina Kleb. There is evidence of considerable racial specialisation in both rust...
SUMMARY Selection of hosts by Uraba lugens (Walker) involves two distinct patterns of behaviour. In choosing egg sites, females appear to select a particular quality of leaf, blue-green to dark-green in colour and with firm maturing or mature surfaces. Young soft leaves, yellow or yellow-green...
SUMMARY Both sexes of inflight adults of the elm bark beetle Scolytus multistriatus (Marsham) a principal vector of Dutch elm disease, Ceratocystis ulmi, (Buism.) C. Moreau, in the Northern Hemisphere, were attracted to traps baited with a synthetic aggregant pheromone called “Multilure”. This...
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