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Survival of Hydrilla (Hydrilla verticillata) Plants and Propagules After Removal From the Aquatic Habitat

Published online by Cambridge University Press:  12 June 2017

F. M. Basiouny ,
W. T. Haller  and
L. A. Garrard
F. M. Basiouny
Affiliation:
Inst. of Food and Agric. Sci., Univ. of Florida, Gainesville, FL 32611
W. T. Haller
Affiliation:
Inst. of Food and Agric. Sci., Univ. of Florida, Gainesville, FL 32611
L. A. Garrard
Affiliation:
Inst. of Food and Agric. Sci., Univ. of Florida, Gainesville, FL 32611
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Abstract

Survival of hydrilla (Hydrilla verticillata Royle) plants and propagules after removal from water and desiccation under controlled conditions were studied. Both apical and sub-apical sections of hydrilla plants were physiologically alive after drying for 16 h at 30 C and 40% relative humidity. Tubers survived drying conditions longer than turions. There was 16.7% sprouting in tubers that had been dried for 64 h, while percent sprouting of turions decreased sharply as the drying period increased from 0 to 8 h.

Keywords

Dessicationrespirationabscissiontubersturions

Information

Type
Research Article
Information
Weed Science , Volume 26 , Issue 5 , September 1978 , pp. 502 - 504
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

Literature Cited

1. Haller, W. T. 1977. Hydrilla: A new rapidly spreading aquatic weed problem. Univ. Florida Agric. Exp. Stn. CS-245.Google Scholar
2. Haller, W. T., Miller, J. L. and Garrard, L. A. 1976. Seasonal production and germination of hydrilla vegetative propagules. J. Aquatic Plant Manage. 14:26–29.Google Scholar