Nematodes are typically known for the damage they cause when feeding on or residing inside roots. However, they also can impact foliage. The host range of foliar and soil dwelling nematodes is wide affecting various environmental horticulture crops,
Category: Pathology
Bacterial Disease Efficacy – 2024
From 2008 to 2022, 83 products were tested through the IR-4 Environmental Horticulture Program as foliar or drench applications against bacterial pathogens. In addition to research collected through the IR-4 program, this summary includes
Phytophthora Efficacy – 2024
Root rots caused by Phytophthora species are often not noticed until foliar symptoms of wilting and stunting are observed. Phytophthora root rots are difficult to manage there are multiple species with differential sensitivities to fungicides.
Mefentrifluconazole Crop Safety – 2024
Avelyo (mefentrifluconazole) is a fungicide developed by BASF that has been registered for use since May 2020. It is used for the control of diseases such as anthracnose, powdery mildew,
Fluopicolide Crop Safety – 2024
Fluopicolide was registered as Adorn 4SC in the United States in 2008 for control of Pythium, Phytophthora and downy mildew in environmental horticulture plants. State registrations in California and New York occurred in 2010 and 2011, respectively.
Triticonazole Crop Safety – 2023
Triticonazole was registered as Trinity 2SC in the United States in 2007 as a turf fungicide. Trinity SC was expanded to diseases of environmental horticulture diseases in 2013. Because triticonazole is in the triazole class,
Oxathiapiprolin Crop Safety – 2023
Oxathiapiprolin was registered as Segovis in the United States in 2017 for disease control on ornamental horticulture plants in greenhouse and nurseries. The commercial label contains a general list
Rhizoctonia Efficacy – 2023
From 1999 to 2023, 44 products or active ingredients were evaluated for Rhizoctonia solani management in greenhouse experiments as soil drench, soil incorporation, foliar or soak application, and in field experiments as soil drenches.
Pydiflumetofen + Difenconazole Crop Safety – 2023
Postiva (pydiflumetofen + difenoconazole) is a new fungicide registered by Syngenta for the control of foliar diseases of environmental horticulture crops. The IR-4 Project completed 43 crop safety trials
Picarbutrazox Crop Safety – 2023
Picarbutrazox is a novel fungicide with a new mode of action being developed by Nisso America for the control of oomycete diseases such as Bremia, Peronospora, Pseudoperonospora, Phytophthora,