Composted recycled organic matter suppresses soil-borne diseases of field crops

• Suppression of soil-borne diseases of horticultural crops by composts has been attributed to the activities of antagonistic microorganisms. The potential for abiotic disease suppression in field-grown crops was explored using glasshouse-based bio-assays for five pathogens of agricultural crops and...

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Publié dans:The New phytologist. - 1984. - 154(2002), 3 vom: 25. Juni, Seite 731-740
Auteur principal: Tilston, E L (Auteur)
Autres auteurs: Pitt, D, Groenhof, A C
Format: Article en ligne
Langue:English
Publié: 2002
Accès à la collection:The New phytologist
Sujets:Journal Article Gaeumannomyces Phoma Plasmodiophora biocontrol in soil systems cereals disease suppression soilborne pathogens
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520 |a • Suppression of soil-borne diseases of horticultural crops by composts has been attributed to the activities of antagonistic microorganisms. The potential for abiotic disease suppression in field-grown crops was explored using glasshouse-based bio-assays for five pathogens of agricultural crops and eight formulations of recycled organic matter compost. • The effects of compost formulation and postmaturation processing were investigated by comparing disease severity on recycled organic matter composts with a commercial seedling compost. Comparisons were made within native and autoclaved series of composts. Autoclaving perturbed compost chemistry without the addition of other materials. • The severity of autoclaving-induced changes to compost chemistry were related to formulation and processing issues. Extractable carbon content, nitrate-N content and pH all contributed to the suppressive capacity of recycled organic matter composts. There may also be a biotic component to the suppression observed. • For each pathogen the influential chemical characteristics of suppressive composts were the same as those identified for soils in other studies. There is potential for the suppressive capacity of recycled organic matter composts to be improved 
650 4 |a Journal Article 
650 4 |a Gaeumannomyces 
650 4 |a Phoma 
650 4 |a Plasmodiophora 
650 4 |a biocontrol in soil systems 
650 4 |a cereals 
650 4 |a disease suppression 
650 4 |a soilborne pathogens 
700 1 |a Pitt, D  |e verfasserin  |4 aut 
700 1 |a Groenhof, A C  |e verfasserin  |4 aut 
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