The efficacy of three steam application techniques (steam injection, iron pan and sheet steaming) was evaluated against five soilborne pathogens under controlled laboratory conditions. Injection and pan steam systems proved to be efficient and feasible alternatives to traditional sheet steaming for suppressing Fusarium oxysporum f. sp. basilici at 60% moisture field capacity in sandy-loam soil. Injecting steam was the best technique to suppress F. oxysporum f. sp. basilici, F. oxysporum f. sp. raphani, F. oxysporum f. sp. conglutinans, Rhizoctonia solani and Phytophthora capsici. The mycelia of R. solani and P. capsici were very sensitive to heat and were effectively killed by injection of steam and by the pan steam system at 80% and 40% moisture field capacity.
Efficacy of different steam distribution systems against five soil-borne pathogens under controlled laboratory conditions
RICAUDA AIMONINO, Davide;GILARDI, Giovanna;GULLINO, Maria Lodovica;GARIBALDI, Angelo
2010-01-01
Abstract
The efficacy of three steam application techniques (steam injection, iron pan and sheet steaming) was evaluated against five soilborne pathogens under controlled laboratory conditions. Injection and pan steam systems proved to be efficient and feasible alternatives to traditional sheet steaming for suppressing Fusarium oxysporum f. sp. basilici at 60% moisture field capacity in sandy-loam soil. Injecting steam was the best technique to suppress F. oxysporum f. sp. basilici, F. oxysporum f. sp. raphani, F. oxysporum f. sp. conglutinans, Rhizoctonia solani and Phytophthora capsici. The mycelia of R. solani and P. capsici were very sensitive to heat and were effectively killed by injection of steam and by the pan steam system at 80% and 40% moisture field capacity.File | Dimensione | Formato | |
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