Video: How to Identify Foliar Symptoms of Bacterial Disease in Onion
Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

In this video, see the different forms of foliar symptoms of bacterial diseases of onion and how to distinguish bacterial diseases from other non-bacterial lookalikes.
This video was produced by the CCE Cornell Vegetable Program for the Stop the Rot USDA-NIFA Project 2019-51181-30013.
Video Transcript: How to Identify Foliar Symptoms of Bacterial Disease in Onion (pdf; 112KB)

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July 14, 2026
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A field walk will demonstrate pest management in fresh market vegetables in both field and greenhouse (high tunnel) vegetables, primarily for those growing for wholesale auction. CCE Cornell Vegetable Program Specialist Judson Reid will identify weeds, insects and diseases in vegetables and will go over management options such as inter-row cover crops, grafting, and where appropriate, spray options.
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DEC recertification credits will be offered.
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