Invasive Plant Science and Management (2013) 6, 320-325

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Matthew A. Barnes, Christopher L. Jerde, Doug Keller, W. Lindsay Chadderton, Jennifer G. Howeth and David M. Lodge (2013)
Viability of aquatic plant fragments following desiccation
Invasive Plant Science and Management 6 (2), 320-325
Abstract: Desiccation following prolonged air exposure challenges survival of aquatic plants during droughts, water drawdowns, and overland dispersal. To improve predictions of plant response to air exposure, we observed the viability of vegetative fragments of 10 aquatic plant species (Cabomba caroliniana, Ceratophyllum demersum, Elodea canadensis, Egeria densa, Myriophyllum aquaticum, Myriophyllum heterophyllum, Myriophyllum spicatum, Potamogeton crispus, Potamogeton richardsonii, and Hydrilla verticillata) following desiccation. We recorded mass loss, desiccation rate, and plant fragment survival across a range of air exposures. Mass loss accurately predicted viability of aquatic plant fragments upon reintroduction to water. However, similar periods of air exposure differentially affected viability between species. Understanding viability following desiccation can contribute to predicting dispersal, improving eradication protocols, and disposing of aquatic plants following removal from invaded lakes or contaminated equipment.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website

Database assignments for author(s): Matthew A. Barnes

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.
Hydrilla verticillata (weed)
Myriophyllum spicatum (weed)
Ceratophyllum demersum (weed)
Myriophyllum aquaticum (weed)
Elodea canadensis (weed)
Egeria densa (weed)
Potamogeton crispus (weed)
Cabomba caroliniana (weed)
Myriophyllum heterophyllum (weed)