%0 Journal Article
%T Soils suppressive against Gaeumannomyces graminis var. tritici identified under wheat crop monoculture in southern Chile
%A Andrade
%A Orlando
%A Campillo
%A Ricardo
%A Peyrelongue
%A Amelia
%A Barrientos
%A Leticia
%J Ciencia e investigaci¨®n agraria
%D 2011
%I Scientific Electronic Library Online
%R 10.4067/S0718-16202011000300004
%X improved knowledge of the biological phenomenon of soil suppressiveness is critical for the management and biological control of soil-borne pathogens. andisols, which are located in southern chile, show very high conduciveness to the take-all disease of wheat caused by the fungal soil-borne pathogen gaeumannomyces graminis var. tritici. however, no previous reports have investigated suppressive soils in this important wheat-producing area. the first part of this study was conducted to identify soils suppressive to the take-all disease, and will be followed by a characterization of its microflora to identify potential bio-control agents against the fungal pathogen. based on the transferability of suppressiveness into the same sterile soil background, 20 soils were collected from different wheat-growing areas in southern chile and were classified as either suppressive or conducive to the take-all disease under artificial inoculation in a greenhouse environment. five soils were found to have highly suppressive properties to the take-all disease of wheat, and suppressiveness was observed in soils with a long history of wheat monoculture. suppressive and conducive soils were found to have overlapping physicochemical characteristics. this is the first report of soils suppressive to take-all of wheat in chile.
%K biological control
%K gaeumannomyces graminis var. tritici
%K take-all suppressive soils.
%U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0718-16202011000300004&lng=en&nrm=iso&tlng=en