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Category: Pathology

Gladiolus Rust APHIS Research Summary

Posted on November 15, 2017August 20, 2021

The project entitled “Determining the impact of registered and non-registered fungicides and disinfestants on Uromyces transversalis, the causal agent of

Posted in Efficacy, Environmental Horticulture Program, InvasiveSpecies, Pathology, Plant Pathology Efficacy

Pythium Efficacy Summary – 2015

Posted on October 26, 2017May 6, 2024

At the IR-4 Ornamental Horticulture Program Workshop in 2009, Pythium Efficacy was selected as a high priority project to expand the knowledge and list of fungicides available to growers for these diseases.

Posted in ArchivedEfficacy, Efficacy, Pathology

Cyprodinil + Fludioxonil Efficacy Summary – 2010

Posted on October 26, 2017April 17, 2024

From 2000 to 2007, IR-4 researched crop safety and efficacy of Medallion (fludioxonil), Vanguard (cyprodinil), and Palladium (Switch 65WG, cyprodinil + fludioxonil).

Posted in CropSafety, Pathology, Plant Pathology Efficacy

Azoxystrobin Crop Safety Summary – 2009

Posted on October 26, 2017April 11, 2024

Azoxystrobin was registered as Heritage in the United States in 1997 as a turf fungicide.In April 2003, this label was updated to include applications for certain diseases

Posted in ArchivedCropSafety, CropSafety, Pathology

Polyoxin D Crop Safety Summary – 2007

Posted on October 24, 2017April 17, 2024

Polyoxin D was registered as Endorse in the United States in 2003 as a turf fungicide. In 2005, this label was updated to include applications for certain diseases on ornamental crops.

Posted in CropSafety, Environmental Horticulture Program, Pathology, Plant Pathology Crop Safety

Ametoctradin + Dimethomorph Crop Safety – 2015

Posted on May 20, 2015March 25, 2024

Orvego, registered with EPA on May 21, 2012 is a combination of ametoctradin (FRAC 45) and dimethomorph (FRAC 40). In 2012, IR-4 started testing Orvego (ametoctradin +

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

Acibenzolar Crop Safety – 2015

Posted on May 14, 2015March 14, 2024

Acibenzolar is an active ingredient that stimulates plant defense systems. In 2002, IR-4 started testing acibenzolar for safety on several ornamental horticulture crops. In 2008, IR-4 continued

Posted in ArchivedCropSafety, CropSafety, Pathology

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This work is supported by project award nos. 2025-79111-45234 and 2022-79111-38469, from the U.S. Department of Agriculture’s National Institute of Food and Agriculture, with substantial cooperation and support from the State Agricultural Experiment Stations, USDA-ARS and USDA-FAS. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and should not be construed to represent any official USDA or U.S. Government determination or policy. In accordance with Federal Law and U.S. Department of Agriculture policy, this institution is prohibited from discriminating on the basis of race, color, national origin, sex, age or disability.

  • About IR-4
    • Annual Reports
    • Careers
    • Contacts
      • Headquarters Staff
      • National Directory
      • Regional Field Coordinators
    • History
    • Mission & Vision
    • News
    • Outreach
    • Participants in the Process
  • Food Crops
    • Biopesticide Regulatory Support Program
    • Crop Grouping
    • International Programs
    • Residue and Product Performance
  • Environmental Horticulture
  • Events & Training
  • Stakeholder Resources
    • Database: Food Crops
    • eQA/eDOCs
    • Database: Environmental Horticulture
    • Databases: Biopesticides and Organic Support
    • Glossary of Acronyms
    • Upload Files
  • Submit a Project Request