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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
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

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.

Type
Research Article
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. 14:2629.Google Scholar