The Friends of Shenton Bushland Inc. |
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Bushland Activities page (blog) Bushland Management Strategies Individual Management Strategies: |
Management Strategy for Black Flag((Feraria crispa) Most of the populations of Black Flag occur in degraded areas such as The Barrerns, along the former fire break just inside the Lemnos Street fence, along tracks near Defence Department land, and along the Southern Track (near Disaster Corner). These populations are not being controlled at the moment as they are reflect the degraded nature of those sites, and need to be dealt with as part of the regeneration of those areas. A few isolated populations occur in areas of good bushland (off the Grace Vaughan House path near the Grace Vaughan House entrance). These populations could be eradicated with concentrated effort. Control Methods (a) Physical Removal. We have found Black Flag very difficult to remove by digging it out (eg The Barrens). It tends to have multiple corms that go very deep, so digging can cause a lot of disturbance and is not likely to be successful. (b) Chemical Control. The recommendations of Managing Perthıs Bushlands are that chemicals such as Glyphosate at 1 in 100 at may control it. Such chemicals need to be applied at flowering time. Black Flag flowers in August and September. Since good bushland contains many species that are vulnerable to Glyphosate, it has to be wiped onto each leaf of the BlackFlag plant carefully.Kate Brown (Urban Nature) is presently conducting a trial of control methods in the southern infestation. Monitoring Methods Currently we have no monitoring program for Black Flag. Kate Brown helped us by mapping it in 1998.
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Created by Daniel Boase-Jelinek August 2004
All photographs are copyright of Daniel Boase-Jelinek unless otherwise indicated.
The logo of the Friends of Shenton Bushland is copyright of June L. Weller
Last updated November 2006