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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 Event

2019 Empire State Producers EXPO

Event Offers DEC Credits

January 15 - January 17, 2019
1.25 hr sessions throughout each day
Syracuse, NY

Most Recent Onions Content

Cornell Onion Fungicide "Cheat Sheet" for Leaf Diseases, 2018

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 5, 2018
Cornell Onion Fungicide

This chart provides information on fungicides available for use in New York in 2018 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. 


Revised EPA and NYS DEC Registration for Surchlor for Use on Onions

Last Modified: June 28, 2018

From Steve Beer, Department of Plant Pathology and Plant-Microbe Biology, Cornell:

EPA and NYSDEC revised the registration and required label for Surchlor to reduce bacterial rot. The revision provides for separate sprays of Surchlor, rather than mixes with other materials that likely would inactivate the anti-bacterial activity of sodium hypochlorite.


Guidelines for 2018 Onion Thrips Management in Onion

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: June 12, 2018
Guidelines for 2018 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 2018.



More Onions Content

Video: New York State Produce Auctions
Cold Storage Chart and Reference Guide to Commercial Vegetable Storage
Crop Cooling and Storage
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
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
» View Complete List of Onions Content
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Upcoming Events

2018 Processing Snap Bean Advisory Meeting

Event Offers DEC Credits

December 4, 2018
10:00 AM - 1:30 PM
Canandaigua, NY

Discuss the 2018 snap bean growing season and management concerns. Reports and discussion of the 2018 Snap Bean Research Projects funded by the Association. Review priorities and the role of the advisory group in applications for state and federal grants. Give your input on the format of future advisory meetings and future educational programs.
view details

2018 Processing Vegetable Crops Advisory Meeting

Event Offers DEC Credits

December 12, 2018
9:30 AM - 2:30 PM
Batavia, NY

Sweet corn, pea, beet, and carrot processing growers and industry members are invited to attend. Discuss the 2018 growing season and management concerns. Reports and discussion of the 2018 Projects funded by the New York Vegetable Research Council/Association. Review priorities and the role of the advisory group in applications for state and federal grants. Give your input on the format of future advisory meetings and future educational programs. 
view details

2019 Empire State Producers EXPO

Event Offers DEC Credits

January 15 - January 17, 2019
1.25 hr sessions throughout each day
Syracuse, NY

The 2019 Empire State Producers Expo combines the major fruit, flower and vegetable associations of New York State in order to provide a comprehensive trade show and educational conference for New York producers, as well as the surrounding states and Eastern Canada. 
view details
view calendar of events

Announcements

Vegetable Sizing Templates Available

To assist farmers looking to sell into wholesale markets, vegetable sizing templates are now available for bell peppers, broccoli, Brussels sprouts, cauliflower, cucumbers, eggplant, potatoes, tomatoes, zucchini and summer squash. The crop templates are scaled to size (8.5 x 11 paper). They can be printed and used to create sizing templates to be used by workers on the wash and pack lines. Additional grading resources are available too.

Empire State Producers EXPO Proceedings

Proceedings from the Empire State Producers EXPO conference from 2011-2018 are available online.

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