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Soil type, management history, and soil amendments influence the development of soil-borne (Rhizoctonia solani, Pythium ultimum) and air-borne (Phytophthora infestans, Hyaloperonospora parasitica) diseases

Lookup NU author(s): Professor Carlo Leifert, Dr Christoph Schmidt

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Abstract

The impact of soil type, long-term soil management, and short-term fertility input strategies on the suppressiveness of soils against soil-borne (Ocimum basilicum - Rhizoctonia solani, Lepidium sativum - Pythium ultimum) as well as air-borne (Lycopersicon esculentum - Phytophthora infestans, Arabidopsis thaliana - Hyaloperonospora parasitica) diseases was studied. Soils from field trials established in five European sites with contrasting pedo-climatic conditions were examined. Sites included (i) a long-term management field trial comparing organic and conventional farming systems (DOK-trial, Therwil, Switzerland) (ii) a short-term fertility input field trial comparing mineral and organic matter fertilisation regimes (Bonn (BON), Germany) (iii) two short-term fertility input field trials (Stockbridge (STC) and Tadcaster (TAD), UK) comparing the impact of farmyard manure, composted farmyard manure, and chicken manure pellet amendements and (iv) soil from a site used as a reference (Reckenholz (REC), Switzerland). Soil type affected disease suppressiveness of the four pathosystems signficantly, indicating that soils can not only affect the development of soil-borne, but also the resistance of plants to air-borne diseases at relevant levels. Suppressiveness to soil- and air-borne diseases was shown to be affected by soil type, but also by long-term management as well as short-term fertility inputs.

Publication metadata

Author(s): Tamm L, Thurig B, Bruns C, Fuchs JG, Kopke U, Laustela M, Leifert C, Mahlberg N, Nietlispach B, Schmidt C, Weber F, Fliessbach A

Publication type: Article

Publication status: Published

Journal: European Journal of Plant Pathology

Year: 2010

Volume: 127

Issue: 4

Pages: 465-481

Print publication date: 01/08/2010

ISSN (print): 0929-1873

ISSN (electronic): 1573-8469

Publisher: Springer

URL: http://dx.doi.org/10.1007/s10658-010-9612-2

DOI: 10.1007/s10658-010-9612-2

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