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Efficacy of Fungicides and Biopesticides for Management of Phytophthora Crown and Root Rot of Gerber Daisy

D. M. Benson and K. C. Parker

May 2011


One of the plant pathology priorities in the national IR4 Ornamental Horticulture Program is new fungicide chemistries for Phytophthora management. Since P. cryptogea is such a devastating pathogen on Gerber daisy and is prevalent in North Carolina, we investigated the efficacy of new and standard fungicides and biopesticides to prevent infection of plants growing in artificially-infested potting mix in IR4 trials over a 3-year period.


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