Document Detail


Anhydrobiotic coiling of nematodes in soil.
MedLine Citation:
PMID:  19305555     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Nematodes of three genera (Acrobeloides sp., Aphelenchus avenae, and Scutellonema brachyurum) were induced to coil and enter anhydrobiosis in drying soil of two types: sandy loam and loamy sand. Coiling was studied in relationship to soil moisture characteristics. Coiling and the physiological state of anhydrobiosis occurred before the water in sandy soils reached a water potential of -15 bars. Coiling was maximum at 3-6 bars, depending on the soil type and nematode species. It appeared that induction of coiling and anhydrohiosis were determined by the physical forces exerted by the water film surrounding the nematode, which, for these three species, was 6-9 monomolecular layers of water, rather than the % moisture and relative humidity of the soil per se.
Authors:
Y Demeure; D W Freckman; S D Van Gundy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of nematology     Volume:  11     ISSN:  0022-300X     ISO Abbreviation:  J. Nematol.     Publication Date:  1979 Apr 
Date Detail:
Created Date:  2009-03-23     Completed Date:  2011-07-14     Revised Date:  2013-05-23    
Medline Journal Info:
Nlm Unique ID:  9884299     Medline TA:  J Nematol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  189-95     Citation Subset:  -    
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