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Chemical control of harungana (Harungana madagascariensis) shrubs in Queensland

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Vitelli, J. S. and Van Haaren, P. E. (2001) Chemical control of harungana (Harungana madagascariensis) shrubs in Queensland. Plant Protection Quarterly, 16 (1). pp. 41-43. ISSN 0815-2195

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Article Link: https://caws.org.nz/PPQ1617/PPQ%2016-1%20pp041-43%...

Abstract

Harungana (Harungana madagascarien�sis Lam. ex Poir), an aggressive exotic pioneering tree species, is currently invading the Wet Tropics World Heritage areas of north Queensland. A chemical trial involving ten herbicides was undertaken to identify effective chemicals to control harungana. For each herbicide, high volume foliar applications of two concentrations were applied. Of the ten
herbicides tested, metsulfuron methyl, dicamba, imazapyr and glyphosate produced 100% mortality, at the rates applied, and the higher rate of fluroxypyr and 2,4-D/picloram killed greater than 95% of the treated plants. Metsulfuron and dicamba were the most target specific, while imazapyr, fluroxypyr, 2,4-D/ picloram and glyphosate had greater impact on non-target, native flora.

Item Type:Article
Subjects:Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Live Archive:10 Jan 2024 05:11
Last Modified:10 Jan 2024 05:11

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