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Evaluation Of Fungicides And Biofungicide To Control Phytophthora Root Rot (Phytophthora Cinnamomi Rands) And Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae) On Flowering Dogwoods Exposed To Simulated Flood Events, Matthew S. Brown, Fulya Baysal-Gurel, Jason B. Oliver, Karla M. Addesso
Evaluation Of Fungicides And Biofungicide To Control Phytophthora Root Rot (Phytophthora Cinnamomi Rands) And Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae) On Flowering Dogwoods Exposed To Simulated Flood Events, Matthew S. Brown, Fulya Baysal-Gurel, Jason B. Oliver, Karla M. Addesso
Agricultural and Environmental Sciences Faculty Research
Phytophthora root rot causes major economic losses in woody ornamental nurseries, especially in plants exposed to flooding. Ambrosia beetles, which attack stressed trees, are also important pests of woody plants. In this study, several products were evaluated for control of Phytophthora root rot and ambrosia beetles on containerized flowering dogwoods (Cornus florida L.) exposed to simulated flood events under field conditions. In two trials, preventive (7 days preflooding) or curative (1 day postflooding) sprench (combination spray and drench) treatments were applied to containerized dogwoods artificially inoculated with Phytophthora cinnamomi Rands. The plants were flooded by maintaining standing water for 1, …