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

van Loenen, M. C. A., ; Turbett, Y., ; Mullins, C. E., ; Feilden, N. E. H., ; Wilson, M. J., ; Leifert, C., and Seel, W. E., (2003) Low temperature-short duration steaming of soil kills soil-borne pathogens, nematode pests and weeds. European Journal of Plant Pathology, 109 (9), pp. 993-1002.

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Summary

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 80degreesC in a specially constructed apparatus. Steaming at 50 or 60degreesC 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 45degreesC, there was a small but significant reduction in the survival of V. dahliae microsclerotia but no reduction in survival of S. cepivorum.


EPrint Type:Journal paper
Keywords:aerated steam; methyl bromide; potato cyst nematodes; soil-borne diseases; soil disinfestation; weeds SCLEROTIUM-CEPIVORUM; VERTICILLIUM-DAHLIAE; SURVIVAL; GROWTH
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Weed management
Soil > Soil quality > Soil biology
Research affiliation: UK > Other organizations
UK > Univ. Newcastle
Deposited By: Leifert, Prof. Carlo
ID Code:10762
Deposited On:14 May 2007
Last Modified:12 Apr 2010 07:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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