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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

2018 Annual Elba Muck Onion Twilight Meeting Featuring Herbicide Trial Tours

Event Offers DEC Credits

June 21, 2018
5:30 PM dinner, 6:00 - 8:30 PM program and tours
Elba, NY

Most Recent Onions Content

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.


Video: New York State Produce Auctions

Last Modified: March 8, 2018
Video: New York State Produce Auctions

Currently, there are 8 produce auctions in New York State. These auctions are aggregation points that allow local farmers to sell their produce in wholesale lots to buyers from across the region. To document the economic impact of produce auctions on agriculture, local businesses, family farms, and produce buyers, the Cornell Vegetable Program worked with Harvest New York to survey top sellers and buyers.

A new Cornell Vegetable Program video shares general information about produce auctions, how buyers and sellers use the auctions to expand their businesses, and how local communities benefit from them.

Cornell Onion Fungicide "Cheat Sheet" for Leaf Diseases, 2017

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 5, 2017
Cornell Onion Fungicide

This chart provides information on fungicides available for use in New York in 2017 in onions for control of leaf diseases including Botrytis Leaf Blight (BLB), Purple Blotch (PB), Stemphylium Leaf Blight (SLB), and Downy Mildew (DM). This year, more fungicides and detailed efficacy ratings are provided per BLB, SLB, and DM from Cornell trials. Rotation restrictions and maximum allowable per season are provided. 


More Onions Content

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
Preventing Muck Soil Erosion by Reducing Tillage in Onion Production
» View Complete List of Onions Content
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Upcoming Events

2018 Annual Elba Muck Onion Twilight Meeting Featuring Herbicide Trial Tours

Event Offers DEC Credits

June 21, 2018
5:30 PM dinner, 6:00 - 8:30 PM program and tours
Elba, NY

All onion growers are invited to this event which will feature trial tours and demonstrations of pre- and post-emergent weed control in direct seeded onions. 2.0 DEC recertification credits and CCA credits will be available.
view details
view calendar of events

Announcements

2018 NY Produce Auction Locations and Contact Info

Produce auctions in New York State have been formed so that produce growers have a way of marketing their product to quality minded buyers through open competitive bidding. Six of the eight produce auctions in NYS are in WNY! A map of produce auction locations across the state is provided along with auction days, times, and contact information.

Unsure how to purchase at a produce auction? The updated How To guide will give you some quick pointers on the auction terminology and how to make purchases at an auction.

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.

Cornell Commercial Vegetable Guidelines Available

The 2018 Cornell Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production are now available!

Written by Cornell University specialists, this publication is designed to offer producers, seed and chemical dealers, and crop consultants practical information on growing and managing vegetable crops in New York State. Topics include general culture, nutrient management, transplant production, postharvest handling, organic production, and managing common vegetable crop pest concerns. A preview of the Vegetable Guidelines can be seen online.

Highlighted changes in the 2018 Vegetable Guidelines include:
  • Updated pesticide options for economically important vegetable crop pests.
  • Significantly revised pest management practices.
  • New onion and sweet corn IPM scouting report forms.
Cornell Crop and Pest Management Guidelines are available as a print copy ($41), online-only access ($41), or a package combining print and online access ($57.50). Shipping charges will be added to your order. Cornell Guidelines can be obtained through your local Cornell Cooperative Extension office, or from the Cornell Store at Cornell University or call (844) 688-7620.

Empire State Producers EXPO Proceedings

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

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