Dense wilding conifer control with aerially applied herbicides in New Zealand
Open Access
- 1 January 2014
- journal article
- Published by New Zealand Institute for Bioeconomy Science Limited in New Zealand Journal of Forestry Science
- Vol. 44 (1) , 4
Abstract
Wilding conifers are a major threat to biological conservation within New Zealand and currently cover at least 500,000 ha throughout the South Island. A range of herbicide treatments was applied to field trials established within wilding Pinus contorta (height range 1 – 15 m) and P. mugo (height range 0.5 – 5 m) infestations. Measurements of mortality taken two years post herbicide application were used to determine the efficacy of (i) the traditionally used contact herbicide diquat, applied in an application volume of 300 L ha-1, and (ii) a range of systemic herbicides applied in an application volume of 150 L ha-1.Keywords
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