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| DOI: | 10.1002/ps.2780170605 |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1002/ps.2780170605/pdf
Last checked: 09/21/2010
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Zoran, Mark J.;
Heppner, Thomas J.;
Drewes, Charles D. |
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| Author Affiliation: | Department of Zoology, Iowa State University, Ames, Iowa |
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| Title: | Teratogenic effects of the fungicide benomyl on posterior segmental regeneration in the earthworm, Eisenia fetida |
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| Source: | Pest Management Science. Vol. 17, No. 6, December 1986, p. 641-652. |
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| Publishing Information: | Barking, Essex: Elsevier Science Publishers LTD |
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| # of Pages: | 12 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1002/ps.2780170605/abstract
Last checked: 09/21/2010
Notes: Abstract only |
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| Keywords: | TIC Keywords: Benomyl; Earthworms; Fungicide evaluation; Fungicide injury; Insect surveys; Mode of action; Morphological evaluation
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| Abstract/Contents: | "Earthworms, Eisenia fetida, were treated by surface exposure to the fungicide benomyl at various stages of posterior segmental regeneration. Teratogenic effects of benomyl were observed when worms were treated 7-11 days after amputation (i.e. during the normal period of segmental replication), but not during days 1-5, 13-17, or 19-23. Teratogenic effects included a reduction in the number of regenerated segments, an increased frequency of segmental groove anomalies, and a variety of monstrosities. The effects of benomyl treatment on the number of regenerated segments and frequency of anomalies were dose-dependent within a narrow concentration range (approximately 0.2-5.0 mg litre-1); at higher concentrations (e.g. 25 mg litre-1) teratogenic effects were less frequent because the onset of segmental delineation was delayed until well after exposure. Non-invasive electrophysiological recordings from treated worms indicated that functional integrity of giant nerve fibre conduction pathways was established in all anomalously regenerated tail segments, except in a two-tailed monstrosity. The evidence supports the hypothesis that these teratogenic effects derive from an antimitotic mode of action of benomyl on segmental regeneration." |
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| Language: | English |
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| References: | 59 |
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| Note: | Pictures, b/w
Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zoran, M. J., T. J. Heppner, and C. D. Drewes. 1986. Teratogenic effects of the fungicide benomyl on posterior segmental regeneration in the earthworm, Eisenia fetida. Pest Management Science. 17(6):p. 641-652. |
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| DOI: 10.1002/ps.2780170605 |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.2780170605/pdf
Last checked: 09/21/2010
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2219665 |
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