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Evaluation of restoration of vegetation infested with cat's claw creeper vine (Dolichandra unguis-cati): soil seed bank response to herbicide and physical removal

Osunkoya, O.O. and Perrett, C. (2014) Evaluation of restoration of vegetation infested with cat's claw creeper vine (Dolichandra unguis-cati): soil seed bank response to herbicide and physical removal. In: 19th Australasian Weeds Conference, September 2014, Tasmanian Weed Society, Hobart, Tasmania.

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Article Link(s): http://caws.nzpps.org/awc/2014/awc201412191.pdf

Abstract

Cat’s claw creeper vine, Dolichandra unguis-cati (L.) L.G.Lohmann (formerly known as Macfadyena unguis-cati (L.) A.H.Gentry), a Weed of National Significance (WoNS), is a structural woody parasite that is highly invasive along sensitive riparian corridors and native forests of coastal and inland eastern Australia. As part of evaluation of the impact of herbicide and mechanical/physical control techniques on the long-term reduction of biomass of the weed and expected return of native flora, we have set-up permanent vegetation plots in: (a) infested and now chemically/physically treated, (b) infested but untreated and (c) un-infested patches. The treatments were set up in both riparian and non-riparian habitats to document changes that occur in seed bank flora over a two-year post-treatment period. Response to treatment varied spatially and temporally. However, following chemical and physical removal treatments, treated patches exhibited lower seed bank abundance and diversity than infested and patches lacking the weed, but differences were not statistically significant. Thus it will be safe to say that spraying herbicides using the recommended rate does not undermine restoration efforts.

Item Type:Conference or Workshop Item (Paper)
Business groups:Biosecurity Queensland
Keywords:Biological invasion, habitat restoration, herbicides, seed bank, weeds.
Subjects:Plant pests and diseases
Science > Invasive Species > Plants > Effect of herbicides
Plant pests and diseases > Weeds, parasitic plants etc
Deposited On:19 Nov 2014 00:00
Last Modified:08 Jun 2015 16:02

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