Anhydrobiotic coiling of nematodes in soil

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...

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Veröffentlicht in:Journal of nematology. - 1969. - 11(1979), 2 vom: 01. Apr., Seite 189-95
1. Verfasser: Demeure, Y (VerfasserIn)
Weitere Verfasser: Freckman, D W, Van Gundy, S D
Format: Aufsatz
Sprache:English
Veröffentlicht: 1979
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Acrobeloides Aphelenchus avenae Scutellonema brachyururn anhydrobiosis monomolecular layers of water soil moisture survival
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520 |a 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 
650 4 |a Journal Article 
650 4 |a Acrobeloides 
650 4 |a Aphelenchus avenae 
650 4 |a Scutellonema brachyururn 
650 4 |a anhydrobiosis 
650 4 |a monomolecular layers of water 
650 4 |a soil moisture 
650 4 |a survival 
700 1 |a Freckman, D W  |e verfasserin  |4 aut 
700 1 |a Van Gundy, S D  |e verfasserin  |4 aut 
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