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Providing evidence to improve practice

Individual study: Effect of flaming on Hydrocotyle ranunculoides L.F. survival

Published source details

Joost van der Burg W. & Michielsen J.M. (2010) Effect of flaming on Hydrocotyle ranunculoides L.F. survival. Plant Research International, Wageningen, 1-12

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Floating pennywort: Flame treatment Control of Freshwater Invasive Species

A controlled, replicated, pilot experiment in 2010 in greenhouses in The Netherlands (Joost van der Burg & Michielsen 2010) found that flame treatments of 1, 2 or 3 seconds had a significantly negative and progressive impact on floating pennywort Hydrocotyle ranunculoides.  Repeat treatment six hours after the first had no marked effect on the eventual recovery of the plants, but a three second repeat treatment after 11 days proved fatal.  The plants were collected from the wild in Laarne, Belgium in early spring 2010 and raised in containers in the greenhouse. Photographs were taken of all treatments and estimates were made of pot surface coverage by green leaves.