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Category: 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

Rhizoctonia Efficacy Summary & Literature Review – 2020

Posted on September 11, 2020August 23, 2021

From 1999 to 2019, numerous products representing 36 active ingredients were evaluated in several greenhouse experiments as soil drench, soil incorporation, foliar or soak application,

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

Algal Leaf Spot Efficacy Summary – 2019

Posted on April 3, 2019August 20, 2021

At the IR-4 Environmental Horticulture Program Workshop in 2015, Algal Leaf Spot Efficacy was selected as a regional special project for the Southern Region

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Nematode Literature Review – 2017

Posted on December 13, 2017August 20, 2021

Foliar nematodes cause huge damage not only in food crops but also on popular ornamental horticulture plants. This summary includes research from nematode

Posted in Efficacy, 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