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Eradication of Plasmodiophora brassicae during composting of wastes
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Fayolle, L., Noble, Ralph, Coventry, E., Aime, S. and Alabouvette, C. (2006) Eradication of Plasmodiophora brassicae during composting of wastes. Plant Pathology, Vol.55 (No.4). pp. 553-558. doi:10.1111/j.1365-3059.2006.01399.x
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Official URL: http://dx.doi.org/10.1111/j.1365-3059.2006.01399.x
Abstract
Survival of infectious inoculum of the clubroot pathogen Plasmodiophora brassicae was assessed following bench-scale flask composting experiments and large-scale composting procedures. Clubroot-affected material was provided by artificial inoculation of Chinese cabbage or naturally infected Brussels sprout and cabbage roots. Both sets of diseased material were used in flask experiments, and the latter in large-scale windrow and aerated tunnel experiments. Municipal green wastes, onion waste and spent mushroom compost were evaluated in flask experiments with varying temperature, aeration and moisture conditions. Green wastes were used in larger-scale composts. Within the limits of a Chinese cabbage seedling bioassay, both temperature and moisture content were critical for eradication of P. brassicae spores extracted from composted clubroot-affected residues. Incubation in compost at 50 degrees C for 7 days or 1 day at 60 degrees C with high moisture levels (= -5 kPa matric potential or 60% w/w moisture content) eradicated inoculum from artificially inoculated Chinese cabbage roots. In large-scale windrows and aerated tunnels, the pathogen was eradicated from naturally infected brassica wastes after 6-7 days at 54-73 degrees C.
| Item Type: | Journal Article | ||||
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| Subjects: | S Agriculture S Agriculture > SB Plant culture |
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| Divisions: | Faculty of Science > Life Sciences (2010- ) Faculty of Science > Life Sciences (2010- ) > Warwick HRI (2004-2010) |
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| Journal or Publication Title: | Plant Pathology | ||||
| Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
| ISSN: | 0032-0862 | ||||
| Official Date: | August 2006 | ||||
| Dates: |
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| Volume: | Vol.55 | ||||
| Number: | No.4 | ||||
| Number of Pages: | 6 | ||||
| Page Range: | pp. 553-558 | ||||
| DOI: | 10.1111/j.1365-3059.2006.01399.x | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access |
Data sourced from Thomson Reuters' Web of Knowledge
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