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SUMMARY Cones and seeds of slash pine (Pinus elliottii var. elliottii Engl.) collected at fortnightly intervals from mid-January (nine weeks prior to natural seed shed) to mid-March were given different storage treatments which varied with time and the conditions of temperature, moisture and...
SUMMARY The paper is concerned with means of producing more high-quality, low-defect, long lumber from Pinus radiata D. Don plantations. It is suggested that this may be done by high-pruning the tree in the forest, or by upgrading mill-run lumber in the sawmill; and the relative advantages of...
SUMMARY A rating system for the assessment of damage to forest trees by termites, decay and fire is described. Timber and royalty losses were assessed during harvest cuts of alpine ash (E. delegatensis R. T. Baker) and mountain gum (E. dalrympleana Maiden) in seven compartments in Bago State...
SUMMARY Temperatures within trees were measured with thermocouples. Fluctuations of temperature three inches beneath the bark of Eucalyptus pilularis and E. rubida were one-third those on the surface. Temperature did not fluctuate during a 24-hour period at the centre of a tree 85 inches in...
SUMMARY Methods of controlling unwanted eucalypt vegetation by chemical means were examined. Picloram was by far the best chemical tested for killing existing eucalypt coppice when applied as a foliar spray. A number of chemicals, including 2,4,5-T, picloram, and AMS were effective in preventing...
SUMMARY In this paper common factors influencing the susceptibility of potentially susceptible timbers to bostrychid attack are outlined. In field work conducted at Grafton, spotted gum trees (Eucalyptus maculata Hook) were selected for exposure to bostrychid attack. It was evident that the...
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