Cornell Vegetable Program Enrollment

Program Areas

  • Food Safety
  • Variety Evaluation
  • Market Development
  • Pest Management
  • Cultural Practices

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  • Telephone / Email Consultations
  • VegEdge Newsletter
  • Direct Mailings
  • Educational Meetings & Conferences
  • In-Field Educational Opportunities
  • On-Farm Research Trials

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Pests

PestsNumerous pests affect commercial vegetable production in New York. All stages of plant growth may be susceptible to insects or disease causing pathogens which may result in poor seedling emergence, reduced yields and quality issues. Similarly, weeds compete with vegetable crops for light, nutrients and water often reducing yields. Weeds can also act as a reservoir for insects and diseases. Furthermore, weed seeds and other parts can be a contaminant of certain vegetable crops.

Cornell Vegetable Program Specialists conduct research and educational programs on many important insects, diseases and weeds in New York. While not an exhaustive list, current information on many important vegetable pests can be found below. The most recent pest content is listed below but you can find more pests under the pest categories of Diseases, Insects, and Weeds.

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Relevant Event

2019 Processing Vegetable Crops Advisory Meeting

Event Offers DEC Credits

December 17, 2019
9:30am - 12:10pm, 1pm - 2pm, and 2pm - 3:30pm
Batavia, NY

Most Recent Pests Content

Guidelines for 2019 Onion Thrips Management in Onion

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 17, 2019
Guidelines for 2019 Onion Thrips Management in Onion

New York has a variety of registered insecticide products that can successfully control onion thrips. This flowchart provides several different insecticide sequence options for controlling onion thrips in 2019.


Cornell Onion Fungicide "Cheat Sheet" for Leaf Diseases, 2019

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 10, 2019
Cornell Onion Fungicide "Cheat Sheet" for Leaf Diseases, 2019

This chart provides information on fungicides available for use in New York in 2019 in onions for control of leaf diseases including Botrytis Leaf Blight (BLB), Stemphylium Leaf Blight (SLB), and Downy Mildew (DM). Rotation restrictions and maximum allowable per season are provided. 


2019 Pea Herbicide Chart

Julie Kikkert, Team Leader, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: May 14, 2019
2019 Pea Herbicide Chart

A chart is presented that lists the herbicides labelled for use on succulent peas in New York for the year 2019. The relative effectiveness of each herbicide on different weed species is highlighted.



More Pests Content

2019 Garlic School: Fusarium Management, Eriophyid Mite Trial, Bloat Nematode
Hot Water Seed Treatment Using a Sous Vide Device
Video and Final Report: Managing Wildlife Damage in Sweet Corn
Be on the Lookout for Southern Blight
Video: Downy Mildew
2017 Cucurbit Downy Mildew Management Guidelines
Video: Swede Midge
Video: Flea Beetles
Help Us Define and Measure IPM Adoption and Practices in NY Vegetables: SURVEY
2016 Weed Research in Vegetable Crops, Cornell University
NEW! Pesticide Product Search Online
White Rot Fact Sheet for Garlic
Garlic Bloat Nematode Testing Services for 2016
Northern Corn Leaf Blight in Sweet Corn
2015 Stemphylium Leaf Blight Fungicide Trial Summary
The Magnitude and Distribution of Western Bean Cutworm: The Risk to Dry Bean
Scouting for Onion Thrips
» View Complete List of Pests Content
more crops
Asparagus

Asparagus

Beets

Beets

Broccoli

Broccoli

Brussels Sprouts

Brussels Sprouts

Cabbage

Cabbage

Carrots

Carrots

Cauliflower

Cauliflower

Cucumbers

Cucumbers

Dry Beans

Dry Beans

Eggplant

Eggplant

Ethnic Vegetables

Ethnic Vegetables

Garlic

Garlic

Horseradish

Horseradish

Kohlrabi

Kohlrabi

Leeks

Leeks

Lettuce / Leafy Greens

Lettuce / Leafy Greens

Melons

Melons

Onions

Onions

Parsnips

Parsnips

Peas

Peas

Peppers

Peppers

Potatoes

Potatoes

Pumpkins / Gourds

Pumpkins / Gourds

Radishes

Radishes

Rhubarb

Rhubarb

Rutabaga

Rutabaga

Snap Beans

Snap Beans

Squash - Summer

Squash - Summer

Squash- Winter

Squash- Winter

Sweet Corn

Sweet Corn

Sweet Potatoes

Sweet Potatoes

Tomatoes

Tomatoes

Turnips

Turnips

more crops

Upcoming Events

2019 Processing Vegetable Crops Advisory Meeting

Event Offers DEC Credits

December 17, 2019
9:30am - 12:10pm, 1pm - 2pm, and 2pm - 3:30pm
Batavia, NY

All are invited to attend and discuss the 2019 season for each crop, meet the new Cornell Weed Scientist and discuss weed management concerns, and receive updates on research conducted during 2019. Separate DEC and CCA credits will be available for each of the 3 crop meetings. The meeting is free of charge and there is no registration required.
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