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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Onions

Onions Onions are one of the most important vegetable crops in New York State with annual sales of approximately $52 million. New York accounts for 97% of the onion production in the North Eastern United States and ranks sixth in the nation. Approximately 12,000 acres of yellow pungent cooking onions are grown from direct seed, predominantly on organically rich muck soils. This crop is stored and marketed until April. Sweet and red varieties are also grown, mostly from transplants. Hundreds of small-scale diversified farms grow onions intensively on plastic beds on less than an acre. These onions can grow very large and be lucrative in the market place where they are sold through produce auctions, farmer's markets, roadside stands and CSAs.

Continued intensive production of onions in New York has led to an array of perennial pest challenges, as well as the introduction of new pests, so that management of the onion complex in New York requires a very strategic research-based approach. Cornell Cooperative Educators and Cornell faculty work together to conduct research on many aspects of onion production in the state. Below you will find educational information and results of our research trials.

Relevant Events

Muck Donut Hour Every Tuesday

June 6 - August 15, 2017
8:30 AM - 9:30 AM
Elba, NY

2017 Oswego Muck Onion Twilight Meeting

Event Offers DEC Credits

June 22, 2017
TBD
Oswego, NY

Most Recent Onions Content

Cold Storage Chart and Reference Guide to Commercial Vegetable Storage

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 13, 2016
Cold Storage Chart and Reference Guide to Commercial Vegetable Storage

Commercial vegetable growers will find a Cold Storage Chart by crop type with temperature and relative humidity recommendations. The maximum number of weeks that the crop can be held under ideal conditions is provided as well.

Adapted from the USDA Bulletin #66, The Commercial Storage of Fruits, Vegetables, and Florist and Nursery Stock, growers will find information on quality, grading, sizes, and packaging, chilling and storage, and post-harvest pathology of vegetables.

Crop Cooling and Storage

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: September 29, 2016
Crop Cooling and Storage

On-Farm Cold Storage of Fall-Harvested Fruit and Vegetable Crops is an in-depth look at the planning and designing cooling for late season and winter storage but it also is useful for general cooling as well. This was written by Scott Sanford, Distinguished Outreach Specialist, UW-Extension, and John Hendrickson, Outreach Program Manager, Center for Integrated Agricultural Systems, University of Wisconsin-Madison.

Cornell Onion Fungicide "Cheat Sheet" for Leaf Diseases, 2016

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: August 9, 2016
Cornell Onion Fungicide

This chart provides information on fungicides available for use in New York in 2016 in onions for control of leaf diseases including Botrytis Leaf Blight (BLB), Purple Blotch (PB), Stemphylium Leaf Blight (SLB), and Downy Mildew (DM). Rotation restrictions and maximum allowable per season are provided.


More Onions Content

2015 Stemphylium Leaf Blight Fungicide Trial Summary
Scouting for Onion Thrips
2014 Trial Results: Stemphylium leaf blight and downy mildew in onion
Strategic Management of Onion Thrips in Onions, July 2015
Video: New York State Produce Auctions
Fall Chemical Burn Down of Perennial Sow Thistle in Onions, 2013 Trial Results
In-Season Management of Perennial Sow Thistle in Onions, 2013 Trial Results
In-Season Management of Perennial Sow Thistle, 2013 Results (Part II)
Onion Crop Tolerance to Stinger (a.i. clopyralid)
Relative Performance of Onion Fungicides
Responding to Hailstorms
Role of Adjuvants in Bacterial Diseases of Onions
Spring Application of Winter Rye Grain for Weed Control in Summer Vegetables
2009 Elba Muck Soil Nutrient Survey Summary
Exploring the Relationship Between Nitrogen, Plant Spacing and Bacterial Disease
Preventing Muck Soil Erosion by Reducing Tillage in Onion Production
O-zone Injury on Vegetables
» View Complete List of Onions 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
view calendar of events

Upcoming Events

Muck Donut Hour Every Tuesday

June 6 - August 15, 2017
8:30 AM - 9:30 AM
Elba, NY

Meet with Cornell Vegetable Program Specialist Christy Hoepting every Tuesday morning to ask questions and share your observations. Grower experience is combined with research and scouting information for a whole lot of talk about growing ONIONS!
view details

Fresh Market Minutes - Every Other Tuesday - Eden Valley

June 6 - August 29, 2017
9:00 AM - 10:00 AM
Eden, NY

New this year -- Meet with the Cornell Vegetable Program Specialist Darcy Telenko every other Tuesday morning to ask questions and share your observations in fresh market vegetables.
view details

Fresh Market Minutes - Every Other Tuesday - Ransomville

June 13 - September 5, 2017
9:00 AM - 10:00 AM
Ransomville, NY

New this year -- Meet with the Cornell Vegetable Program Specialist Darcy Telenko every other Tuesday morning to ask questions and share your observations in fresh market vegetables.
view details
view calendar of events

Announcements

Precision Ag Specialist Position Available

Cornell Cooperative Extension seeks a qualified candidate to provide leadership and educational programming to advance precision agriculture and new technology applications to production and management practices that will sustain and enhance the profitability of the field crops and vegetable industries in Western New York.

The position is a joint appointment with two Cornell Cooperative Extension Regional Agriculture Teams, the Cornell Vegetable Program and the Northwest New York Dairy, Livestock & Field Crops Team. With this position, we are adding capacity to our Extension program. We hope to find a candidate who will bring additional skills in crop management to complement our respective teams as well.

More information and application instructions are available at Cornell Careers. Questions may be directed to CVP Team Leader, Julie Kikkert.

Empire State Producers EXPO Proceedings Available

Proceedings from the Empire State Producers EXPO conference from 2011-2017 are available online. 

2017 Cornell Vegetable Guidelines Available

The 2017 edition of the Cornell Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production is now available. This annual publication provides up-to-date vegetable crop production information for New York State. It is designed as a practical guide for vegetable crop producers, crop consultants, ag chemical dealers, and others who advise vegetable crop producers.

In addition to the annually revised pesticide and crop production information, highlighted changes in this edition of the
Vegetable Guidelines include:
  • Addition of Dickeya blackleg on potato as a disease of concern.
  • Updated regulatory considerations for organic vegetable production.
  • Revised European corn borer management strategies for beans and potatoes.
The Cornell Guidelines are available as a print copy ($41 plus shipping), online-only access ($41), or a package that combines print and online access ($57.50 plus shipping). Cornell Guidelines can be purchased through your local Cornell Cooperative Extension office or from the Cornell Store at Cornell University. To order from the Cornell Store, call (844) 688-7620 or order online.

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