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dc.contributor.authorCoelho, L.-
dc.contributor.authorMitchell, D. J.-
dc.contributor.authorChellemi, D. O.-
dc.identifier.citationEuropean Journal of Plant Pathology. Dordrecht: Springer, v. 107, n. 9, p. 883-894, 2001.-
dc.description.abstractThe analysis of the effect of soil water matric potential and temperature regimes on the inactivation of chlamydospores of Phytophthora nicotianae in cabbage amended soils was evaluated using three matric potentials (0, -10, and -30 kPa), temperature regimes of 1.5 h at 44 degreesC, 5 h at 41 degreesC and 8 h at 35 degreesC, or 3 h at 47 degreesC, 5 h at 44 degreesC and 8 h at 35 degreesC, with a baseline temperature of 25 degreesC during the rest of the day. The results indicated that survival of P. nicotianae was lowest in saturated soil; and as temperature increased, survival of the pathogen decreased at all soil water matric potentials evaluated. Cabbage amendments can enhance the effect of the heat treatment, further decreasing the pathogen population. The soil water matric potentials evaluated represent optimum levels for the study of thermal inactivation. However, under field conditions lower potentials may be found. Extending the range of soil water matric potentials and the treatment time would allow better comparisons with the field data. There is a clear indication that one irrigation period prior to solarization would provide enough moisture to inactivate the primary inoculum of P. nicotianae in the top soil under field conditions; however, other factors may affect the effectiveness of solarization, reducing or enhancing its potential.en
dc.sourceWeb of Science-
dc.subjectfield capacitypt
dc.subjectnon-chemical controlpt
dc.titleThe effect of soil moisture and cabbage amendment on the thermoinactivation of Phytophthora nicotianaeen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniv Florida-
dc.description.affiliationUNESP, FCAV, Dept Biol, BR-14870 Jaboticabal, SP, Brazil-
dc.description.affiliationUniv Florida, Dept Plant Pathol, Gainesville, FL 32611 USA-
dc.description.affiliationARS, USDA, Ft Pierce, FL 34945 USA-
dc.description.affiliationUnespUNESP, FCAV, Dept Biol, BR-14870 Jaboticabal, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofEuropean Journal of Plant Pathology-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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