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Low temperature-short duration steaming of soil kills soil-borne pathogens, nematode pests and weeds

Lookup NU author(s): Professor Carlo Leifert

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Abstract

Agricultural soil samples containing survival structures of the fungal crop pathogens Verticillium dahliae, Sclerotinia sclerotiorum, Sclerotium cepivorum, Pythium ultimum, potato cyst nematodes Globodera rostochiensis and G. pallida and weeds Chenopodium album and Agropyron repens [Elymus repens] were treated in the laboratory with aerated steam at temperatures ranging from 40 to 80°C in a specially constructed apparatus. Steaming at 50 or 60°C for 3 min, followed by an 8-min resting period in the steamed soil and immediate removal from the soil thereafter, resulted in 100% kill of all weeds, diseases and nematodes. When steamed at 45°C, there was a small but significant reduction in the survival of V. dahliae microsclerotia but no reduction in survival of S. cepivorum.

Publication metadata

Author(s): Van Loenen MCA, Turbett Y, Mullins CE, Feilden NEH, Wilson MJ, Leifert C, Seel WE

Publication type: Article

Publication status: Published

Journal: European Journal of Plant Pathology

Year: 2003

Volume: 109

Issue: 9

Pages: 993-1002

Print publication date: 01/11/2003

ISSN (print): 0929-1873

ISSN (electronic): 1573-8469

Publisher: Springer

URL: http://dx.doi.org/10.1023/B:EJPP.0000003830.49949.34

DOI: 10.1023/B:EJPP.0000003830.49949.34

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