PDMR



Report No. 11:OT004
Hydrangea: Hydrangea paniculata
Phytophthora root rot: Phytophthora nicotianae

Evaluation of biorational products and fungicides for the control of Phytophthora root rot of Hydrangea, 2016.

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First Author: Fulya Baysal-Gurel, Tennessee State University

Additional Authors: T. Simmons, P. Liyanapathiranage, Md N. Kabir

Section: Ornamentals and Trees

Keyword(s): Phytophthora root rot

Geographical location: Tennessee, United States

Products Tested: IT-5103; MBI-110; OxiPhos; RootShield PLUS+ WP; Segovis A21008A SC; Subdue MAXX; TerraClean 5.0; TerraGrow; Empress Intrinsic

Active chemical(s): Organic compound with added bio-stimulant, Trichoderma; Bacillus amyloliquefaciens; Mono - and di - potassium salts of phosphorus acid + hydrogen Peroxide; Trichoderma harzianum Rifai strain T-22 and Trichoderma virens strain G-41; Oxathiapiprolin; Mefenoxam; Hydrogen dioxide + Peroxyacetic Acid; Beneficial microbial formula (Bacillus spp. and Trichoderma harzianum, T. reesei); Pyraclostrobin

Biological Control: 1. RootShield PLUS; Trichoderma harzianum Rifai strain T-22 and Trichoderma virens strain G-41; BioWorks, Inc. 2. MBI110; Bacillus amyloliquefaciens; Marrone Bio Innovations 3. IT-5103

Biorational Product:

Manufacturer(s): Italpollina USA, Inc.; Marrone Bio Innovations; Biosafe Systems; BioWorks Inc.; Syngenta; Syngenta; Biosafe Systems; Biosafe Systems; BASF Corporation

Publication date: March 7, 2017



The American Phytopathological Society