Hostname: page-component-cd9895bd7-dk4vv Total loading time: 0 Render date: 2024-12-28T15:09:55.975Z Has data issue: false hasContentIssue false
  • English
  • Français

Control of Waterhyacinth (Eichhornia crassipes) with Neochetina eichhorniae (Coleoptera: Curculionidae) and a Growth Retardant

Published online by Cambridge University Press:  12 June 2017

Ted D. Center ,
Kerry K. Steward  and
Marc C. Bruner
Ted D. Center
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., Aquat. Plant Manage. Lab., 3205 S.W. 70th Av., Fort Lauderdale, FL 33314
Kerry K. Steward
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., Aquat. Plant Manage. Lab., 3205 S.W. 70th Av., Fort Lauderdale, FL 33314
Marc C. Bruner
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., Aquat. Plant Manage. Lab., 3205 S.W. 70th Av., Fort Lauderdale, FL 33314
Get access Rights & Permissions [Opens in a new window]

Abstract

Waterhyacinth [Eichhornia crassipes (Mart.) Solms] grown in screen-enclosed, outdoor aquaria were treated with factorial combinations of 0, 0.75, 1.5, or 3 kg/ha of the experimental growth retardant EL-509 [α-(4-chlorophenyl)-α-(1-methylethyl)-5-pyrimidine-methanol] and zero, one, two, or three pairs of waterhyacinth weevils (Neochetina eichhorniae Warner)/plant, with three replicates of each weevil-number by retardant level combination. When plant growth was evaluated over a time course, significant effects of weevils and retardant were observed. After 127 days, however, waterhyacinth was reduced as weevil numbers increased, but the growth retardant was ineffective without weevils. Weevils appeared to be more effective when used in combination with the retardant, and the combined effects were additive.

Keywords

Biological controlintegrated controlaquatic weedsweevilsEL-509
Type
Research Article
Information
Weed Science , Volume 30 , Issue 5 , September 1982 , pp. 453 - 457
Copyright
Copyright © 1982 by the Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

1. Barr, A. J., Goodnight, J. H., Sall, J. P., Blair, W. H., and Chilko, D. M. 1979. Statistical Analysis System Users Guide. SAS Inst., Inc., Raleigh, NC. 494 pp.Google Scholar
2. Bennett, F. D. 1974. Biological Control. Pages 99–106. in Mitchell, D. S., ed. Aquatic Vegetation and Its Use and Control. UNESCO Publ., Paris.Google Scholar
3. Center, T. D. and Durden, W. C. 1981. Release and establishment of Sameodes albiguttalis for the biological control of waterhyacinth. Environ. Entomol. 10:75–80.Google Scholar
4. Center, T. D. and Spencer, N. R. 1981. The phenology and growth of waterhyacinth in a eutrophic north-central Florida lake. Aquat. Bot. 10:1–32.Google Scholar
5. Charudattan, R., Perkins, B. D., and Littell, R. C. 1978. Effects of fungi and bacteria on the decline of arthropod-damaged water-hyacinth in Florida. Weed Sci. 26:101–107.Google Scholar
6. Hildebrand, E. M. 1946. Herbicidal action of 2,4-dichlorophenoxyacetic acid on the waterhyacinth. Science 103:477–479.CrossRefGoogle Scholar
7. Holm, L. 1969. Weed problems in developing countries. Weed Sci. 17:113–118.Google Scholar
8. Holm, L. G., Plucknett, D. L., Pancho, J. V., and Herberger, J. P. 1977. The World's Worst Weeds: Distribution and Biology. Univ. Press Hawaii, Honolulu, HI. 609 pp.Google Scholar
9. Holm, L. G., Weldon, L. W., and Blackburn, R. D. 1969. Aquatic weeds. Science. 166:699–709.Google Scholar
10. Penfound, W. T. and Earle, T. T. 1948. The biology of the waterhyacinth. Ecol. Monogr. 18:447–472.Google Scholar
11. Perkins, B. D. 1977. Preliminary results of integrating chemical and biological control to combat waterhyacinth. Proc. Res. Planning Conf. Aquat. Plant Control Prog. U.S. Army Eng. Waterway Exp. Stn. Misc. Paper A-77-3, pp. 230–235.Google Scholar
12. Pieterse, A. H., Aris, J.J.A.M., and Butler, M. E. 1976. Inhibition of float formation in waterhyacinth by gibberellic acid. Nature. (London) 260:423–424.Google Scholar
13. Pieterse, A. H., Roorda, F. A., and Verhagen, L. 1980. Ten-fold enhancement of 2,4-D effect on waterhyacinth by addition of gibberellic acid. Experientia 36:650–651.Google Scholar
14. Tag-el-Seed, M. 1978. Aquatic weed problems in the Sudan. Proc. South. Weed Sci. Soc. 31:219–228.Google Scholar
15. Wright, A. D. 1979. Preliminary report on damage to Eichhornia crassipes by an introduced weevil at a Central Queensland liberation site. Proc. 7th Asian Pac. Weed Sci. Conf. pp. 227–229.Google Scholar