Open Access. Powered by Scholars. Published by Universities.®
Department of Primary Industries and Regional Development, Western Australia
Articles 1 - 1 of 1
Full-Text Articles in Life Sciences
Parrot Damage To Bluegum Tree Crops : A Review Of The Problem And Possible Solutions, P Ritson
Parrot Damage To Bluegum Tree Crops : A Review Of The Problem And Possible Solutions, P Ritson
Resource management technical reports
Damage to Bluegum (Eucalyptus globulus) tree crops by the Twenty-eight Parrot (Barnardius zonarius) is emerging problem which could threaten the viability of the infant Bluegum industry in south-western Australia. The parrots strip bark from the lead shoot of the Bluegums causing the shoots to break off. Consequently lateral shoots develop resulting in deformed (bent or multi-stem) trees unsuited to harvest and utilisation.Indications that the reason Twenty-eight Parrots strip bark from Bluegum is to obta behaviour' and hence the damage may also develop in areas where it is absent or uncommon now. Currently the zone of worst damage includes around 20% …