PDMR



Report No. 11:OT010
Hydrangea: Hydrangea macrophylla
Cercospora leaf spot: Cercospora hydrangea

Evaluation of fungicides and biorational products for control of Cercospora leaf spot on Hydrangea, 2016.

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First Author: Fulya Baysal-Gurel, Tennessee State University

Additional Authors: T. Simmons

Section: Ornamentals and Trees

Keyword(s): Cercospora leaf spot

Geographical location: Tennessee, United States

Products Tested: Mural 45WG; Orkestra Intrinsic; Strike plus 50WDG

Active chemical(s): Benzovindiflupyr + Azoxystrobin; Fluxapyroxad + Pyraclostrobin; Trifloxystrobin + Triadimefon

Biological Control: 1. ZeroTol; Hydrogen Dioxide and Peroxyacetic Acid; BioSafe Systems LLC. ; 2. GreenClean Pro; Sodium Carbonate Peroxyhydrate; BioSafe Systems LLC. ; 3. Regalia; Extract of Reynoutria sachalinensis ; Marrone Bio Innovations

Biorational Product:

Manufacturer(s): Syngenta; BASF Corporation; OHP, Inc.

Publication date: March 7, 2017



The American Phytopathological Society