Time and burial depth influencing the viability and bacterial colonization of sclerotia of Sclerotinia sclerotiorum [An article from: Soil Biology and Biochemistry]

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Description:
Sclerotia are the primary over wintering inoculum of Sclerotinia sclerotiorum (Lib.) de Bary. The effects of tillage on the primary inoculum are not well understood. The purpose of this research was to study sclerotial viability over time and between burial depths in soil, to identify bacteria colonizing and degrading the sclerotia, and determine whether these bacteria may be utilized as biological control agents. Correlation analysis indicated that a significant negative relationship existed between sclerotial viability and elapsed temporal factors (R^2=-0.68, P