The Management of the Mycorrhizal Soil Infectivity: Ecological and Technical Approaches

Author(s):  
Adrien Lies ◽  
Yves Prin ◽  
Robin Duponnois ◽  
Hicham Ferhout
Keyword(s):  
2006 ◽  
Vol 34 (2-3) ◽  
pp. 190-199 ◽  
Author(s):  
Lahcen Ouahmane ◽  
Mohamed Hafidi ◽  
Christian Plenchette ◽  
Marija Kisa ◽  
Ali Boumezzough ◽  
...  

1989 ◽  
Vol 67 (1) ◽  
pp. 112-115 ◽  
Author(s):  
C. Plenchette ◽  
R. Perrin ◽  
P. Duvert

The concept of soil infectivity, widely used for soil-borne plant pathogens, is applied to the fungi forming vesicular–arbuscular endomycorrhizae. The authors propose a method for the determination of the mycorrhizal soil infectivity (MSI) using leek, a highly mycotrophic plant, for the bioassays. Under controlled conditions, populations of leek plants are grown in a range of concentrations of a natural soil mixed with autoclaved volumes of the same soil. The relationship between the percentage of plants forming mycorrhizae and the soil concentration is used as the basis for the determination of the quantity of soil required to obtain mycorrhiza formation on 50% of the host plant population; the results are defined in terms of MSI units and are expressed as MSI50 for 100 g of soil. The features of the method are illustrated in a comparative study of four agricultural soils from France.


1999 ◽  
Vol 34 (7) ◽  
pp. 1247-1254 ◽  
Author(s):  
Antonio Alberto Rocha Oliveira ◽  
Francis Edward Sanders

The experiment was carried out on unsterilized field soil with low phosphorus availability with the objective of examining the effect of cultural practices on mycorrhizal colonization and growth of common bean. The treatments were: three pre-crops (maize, wheat and fallow) followed by three soil management practices ("ploughing", mulching and bare fallow without "ploughing" during the winter months). After the cultural practices, Phaseolus vulgaris cv. Canadian Wonder was grown in this soil. Fallowing and soil disturbance reduced natural soil infectivity. Mycorrhizal infection of the bean roots occurred more rapidly in the recently cropped soil than in the fallow soil. Prior cropping with a strongly mycorrhizal plant (maize) increased infectivity even further.


Mycorrhiza ◽  
1997 ◽  
Vol 7 (2) ◽  
pp. 95-100 ◽  
Author(s):  
M. L. Soulas ◽  
B. L. Bihan ◽  
P. Camporota ◽  
C. Jarosz ◽  
M. I. Salerno ◽  
...  

1996 ◽  
Vol 21 (3) ◽  
pp. 160-165 ◽  
Author(s):  
Chantal Hamel ◽  
Yolande Dalp� ◽  
Claude Lapierre ◽  
R�gis R. Simard ◽  
Donald L. Smith

1996 ◽  
Vol 21 (3) ◽  
pp. 160-165 ◽  
Author(s):  
C. Hamel ◽  
Yolande Dalp� ◽  
Claude Lapierre ◽  
R�gis R. Simard ◽  
Donald L. Smith

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