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Category: Plant Pathology Efficacy

Powdery Mildew Efficacy Summary – 2023

Posted on July 11, 2023

Powdery mildew is a highly recognizable disease with pronounced colonies of white on foliage and, for some species, on petals. Due to the high number of spored produced, powdery mildews often develop resistance quickly to fungicides.

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Abamectin Crop Safety Summary – 2023

Posted on June 19, 2023

Abamectin has been registered since 1987 for environmental horticulture crops, initially for leafminers and spider mites on annuals and herbaceous perennials. Then in 2000, woody ornamentals plus aphids,

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Botrytis Efficacy Summary – 2023

Posted on May 24, 2023

At the IR-4 Environmental Horticulture Program Workshop in 2011, Botrytis Efficacy was selected as a high priority project to expand the knowledge and list of fungicides available to growers for these diseases.

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Pythium Efficacy Summary – 2022

Posted on August 31, 2022December 13, 2022

At the IR-4 Environmental Horticulture Program Workshops in 2009 and 2019, 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 Efficacy, Environmental Horticulture Program, Pathology, Plant Pathology Efficacy

Fusarium Literature Review & Efficacy Summary – 2021

Posted on August 31, 2021

From 2001 to 2020, numerous products representing 40 active ingredients were evaluated in greenhouse and field trials as soil drench, soil incorporation, foliar,in-furrow, drip irrigation

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Bacterial Disease Efficacy Summary & Literature Review – 2021

Posted on August 13, 2021March 30, 2022

From 2008 to 2020, 70 products were tested through the IR-4 Environmental Horticulture Program as drench or foliar applications against bacterial pathogens.

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Thielaviopsis Efficacy Summary – 2021

Posted on July 29, 2021August 23, 2021

From 2003 to 2020, numerous products representing 35 active ingredients were evaluated in greenhouse experiments as soil drenches against Thielaviopsis basicola causing black root rot

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Botrytis Efficacy Summary – 2021

Posted on March 26, 2021December 13, 2022

At the IR-4 Environmental Horticulture Program Workshop in 2011, Botrytis Efficacy was selected as a high priority project to expand the knowledge and list of fungicides available to growers for these diseases.

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Fenamidone Efficacy & Crop Safety – 2020

Posted on February 11, 2020August 20, 2021

From 2004 to 2012, fenamidone (FenStop, FenStar) was screened through the IR-4 Program as drench or foliar applications for effacay against nine Phytophthora species causing root rots and

Posted in CropSafety, Efficacy, Pathology, Plant Pathology Crop Safety, Plant Pathology Efficacy

Downy Mildew APHIS Research Summary

Posted on November 11, 2019August 20, 2021

Over a 5-year timeframe starting in 2013, the team of researchers listed above investigated several downy mildews – Impatiens and Cucurbit, primarily,

Posted in Efficacy, InvasiveSpecies, Pathology, Plant Pathology Efficacy

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  • About IR-4
    ▼
    • Annual Reports
    • Careers
    • Contacts
      ▼
      • Headquarters Staff
      • National Directory
      • Regions & USDA-ARS
    • History
    • Mission & Vision
    • News
    • Outreach
    • Participants in the Process
  • Food Crops
    ▼
    • Biopesticide Regulatory Support Program
    • Crop Grouping
    • Integrated Solutions
    • 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 Request