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Potatoes

Potatoes Potatoes are grown all across NYS, though the largest farms tend to be located in Western NY, the Finger Lakes Region and on Long Island, on deep, fertile, light- to medium-textured mineral soils, and on muck (organic) soils. Potatoes are grown on small, medium and large farms, for retail, wholesale (east of the Mississippi) and organic markets, for both fresh market and processing into chips, and for certified seed potatoes. Most growers store some of their crop for winter sales. Varieties include round whites, red-skinned potatoes, yellows, and a smaller acreage of a wide variety of specialty types, such as those with blue or red skin and flesh, fingerlings, etc. Potatoes are one of the highest value vegetables in NY, grown on 16,000 acres, with an average value of about $54.9 million recently (2014 Vegetable Summary).

Potatoes have many serious insect and disease pests. Late blight can be a devastating disease, capable of completely destroying an unprotected crop within 3 weeks in wet weather, and rotting the tubers. Late blight was the major cause of the Irish Potato Famine. It also affects tomatoes. New, more virulent strains of late blight fungus began showing up 20 years ago and the disease has been harder to predict and control ever since. Early blight is a common fungal disease on both potatoes and tomatoes which survives over-winter in the soil. Colorado potato beetles can cause serious defoliation if crops are not rotated up to a quarter mile from where they, tomatoes or eggplant were previously planted. They can rapidly become resistant to commonly used insecticides. Tiny, sucking leafhoppers move up from the south each June on weather systems, and can cause severe leaf burn and yield reduction. Aphids can also be a production problem as well as carrying viral diseases that can affect potatoes grown from saved seed. 

Relevant Events

Chautauqua Winter Vegetable Meeting

Event Offers DEC Credits

February 10, 2023
Clymer, NY

Orleans Regional Vegetable Meeting

Event Offers DEC Credits

February 15, 2023
Albion, NY

NYS Processing Vegetable Industry Roundtable Meeting

Event Offers DEC Credits

March 15, 2023 : Morning Session: Snap Beans, Sweet Corn, and Peas
Batavia, NY


March 15, 2023 : Lunch Break and Networking


Event Offers DEC Credits

March 15, 2023 : Afternoon Session: Beets and Carrots
Batavia, NY

Small-Scale Fresh Market Potato Variety Trial Results

Margie Lund, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 15, 2022
Small-Scale Fresh Market Potato Variety Trial Results

This year, the Cornell Vegetable Program planted a potato variety trial focused on commercially available fresh market potato varieties, with the small-scale potato grower in mind. This trial allowed us to test different varieties of potatoes that might be of interest to consumers at farm markets and see how well they perform in a western NY climate. In this overview, we share overall yield results from the trial as well as some details on some stand out varieties. 


Late Blight Sample Collection and Submission to Cornell

Margie Lund, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: March 4, 2020
Late Blight Sample Collection and Submission to Cornell

If late blight is detected or suspected on your farm, and you cannot get a sample to a Cornell Vegetable Program staff member in a day or two, you should submit your sample to Chris Smart's lab at Cornell. Instructions for reporting and sampling are provided.


Potato Variety Trial, 2017

Last Modified: April 3, 2018
Potato Variety Trial, 2017

The CCE Eastern NY Commercial Horticulture Program evaluated 21 varieties of potatoes in 2017 in white skin lines, red skin lines, yellow flesh lines, specialty lines, and russets.

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.


Growing for Wholesale: Vegetable Grading/Sizing Templates

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: February 21, 2018
Growing for Wholesale: Vegetable Grading/Sizing Templates

To further assist farmers looking to sell into the wholesale markets, the Cornell Vegetable Program has put together some helpful tools. The tools provided here consist of a color photo guide highlighting the grades of some of the most common vegetables grown for wholesale market in WNY. To aid in the visualization of the grading sizes, the templates are available here for you to print off. These are scaled to size and can be used to create sizing templates to be used by workers on the wash and pack lines.


2017 NYS Certified Seed Potato Crop Directory

Last Modified: October 31, 2017
2017 NYS Certified Seed Potato Crop Directory

The 2017 NYS Certified Seed Potato Crop Directory is now available. There is a wealth of information on NYS potato seed certification, as well as on the varieties grown for certification in 2017. 

Organic Production Guides

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 17, 2017
Organic Production Guides

Organic Production Guides for fruits, vegetables and dairy are available through the NYS Integrated Pest Management (IPM) program. They outline general practices for growing vegetable and fruit crops using organic integrated pest management techniques.

Video: Flea Beetles

Last Modified: June 5, 2017
Video: Flea Beetles

Flea beetles are a common vegetable pest affecting peppers, cucurbits, sweet potato, potato, peas, beans, beets, tomato, corn, turnip, pumpkin, melon, eggplant, and others. This short video gives you some general information about this pest.

Best Management Practices for Dickeya in Potato Production in the Northeast

Last Modified: November 2, 2016
Best Management Practices for Dickeya in Potato Production in the Northeast

Potato seed tubers harboring Dickeya dianthicola are the only confirmed source of this pathogen. It does not appear to be able to survive in soil (including in crop debris) from one growing season to the next. Consequently, rotating with a non-susceptible crop is not a necessary component of the management program. Best management practices listed in the PDF are encouraged to minimize potential losses from Dickeya.

North American Certified Seed Potato Health Certificate (NACSPHC)

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: August 31, 2016
North American Certified Seed Potato Health Certificate (NACSPHC)

The emergence of Potato Virus Yntn, which causes tuber necrotic ringspot disease (TNRD) in susceptible varieties, and the emergence of blackleg Dickeya, both serious seed-borne diseases, are very important reasons why you need to get a copy of the North American Certified Seed Potato Health Certificate (NACSPHC) for each lot of potato seed you buy.  

Canadian and European Varieties for the Fresh Market

Last Modified: February 29, 2016
Canadian and European Varieties for the Fresh Market

From Eugenia Banks, Potato Specialist, Ontario Ministry of Agriculture & Food (Retired), and Ontario Potato Board, Ontario, Canada, presented at the 2016 Empire State Producers Expo Potato Session

Potato breeders are always busy trying to develop fresh market varieties with traits that enhance farm sustainability: resistance to diseases, and attractive, tasty tubers preferred by consumers. Every year, potato-breeding programs evaluate advanced clones at several locations to determine how well the new clones perform under different weather patterns and soil conditions. There are key traits that a new fresh market variety should have attractive appearance, early maturity, good yield, consistency and predictability, and disease resistance.

2014 Upstate New York Potato Variety Trial Report

Last Modified: January 29, 2015

from D. E. Halseth, E. R. Sandsted, and J. M. Kelly, Horticulture, Cornell:
Potato variety yield trials were conducted in four counties in upstate New York in 2014 in which a total of 30 named varieties and 206 breeding lines were evaluated. 

Control of Colorado Potato Beetle & Insecticide Resistance Management

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: June 9, 2014
Control of Colorado Potato Beetle & Insecticide Resistance Management

The CPB is known for its ability to quickly develop resistance to insecticides. There are alternatives to insecticides for managing CPB, but for growers with large fields and a limited ability to rotate fields, insecticides remain key.

Diagnosis and Management of Potato Tuber Diseases

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 19, 2013
Diagnosis and Management of Potato Tuber Diseases

A seven page color fact sheet on the Diagnosis and Management of Potato Storage Diseases is now available online from the University of Idaho. The diseases covered are those which NYS potato growers often find themselves dealing with: pink rot, Pythium leak, late blight, Fusarium dry rot, bacterial soft rot, silver scurf, black dot, and early blight. In addition to assisting with the proper identification of the diseases, there is information on sanitation of equipment and the storage, and recommendations on how to hold lots with some disease if you can't sell them immediately. 

Determining Late Blight Sensitivity to Ridomil Takes Time

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: September 19, 2013
Determining Late Blight Sensitivity to Ridomil Takes Time

The % LB diseased foliage in a field significantly affects how well any fungicide works against it. On September 16, 2013, Bill Fry, Cornell said, "Years ago we did experiments on the effect of timing of Ridomil on the suppression of LB [on a sensitive LB strain]. The treatments included metalaxyl/Ridomil, mancozeb, or no fungicide. We initiated applications at ~0.5% disease or at 2-5% diseased [foliage]. The effects of Ridomil were apparent within a day or two, but the effects of mancozeb were not visible for at least one week. LB increased explosively in the mancozeb and untreated plots for the first week. Subsequently, mancozeb did slightly suppress disease relative to the water control. The effect of Ridomil was dramatically different with an immediate observable effect in [reducing disease development]. Nonetheless, the amount of disease in the Ridomil plots continued to increase gradually for the next four weeks. When we initiated Ridomil applications at 0.5% disease the final level of disease was less, and the rate at which disease increased was less, than when we began at 2-5% diseased foliage. There was inoculum from other plots that probably contributed to increased LB. Thus, once disease is established, it's really difficult to totally stop this pathogen. I suspect that given the wet weather and favorable conditions we've had recently, any fungicide may have been challenged."

Application Equipment for Potato Post-Harvest Disease Control

Carol MacNeil, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: September 13, 2013
Application Equipment for Potato Post-Harvest Disease Control

Late blight, caused by Phytophthora infestans (Mont.) de Bary, and pink rot, caused by Phytophthora erythroseptica Pethybr., are two devastating potato tuber diseases. These pathogens regularly cause storage losses in potato production systems. While these pathogens, especially P. infestans, spread rapidly in the field, there can also be substantial tuber-to-tuber spread during mechanical harvesting and tuber transfer procedures. With these diseases present in the field, storage losses well beyond what would be expected can occur based on the pathogen level in the field. Learn more about how to control diseases following potato harvest in this University of Maine Extension publication.

O-zone Injury on Vegetables

Crystal Stewart-Courtens, Extension Vegetable Specialist
Eastern New York Commercial Horticulture

Last Modified: August 22, 2012
O-zone Injury on Vegetables

Hot, humid weather with stagnant air masses may lead to ozone damage on crops. Ozone warnings were recently issued for much of New York. These warnings are intended for people with respiratory problems and let them know they should limit their outdoor activity and try to stay as much as possible in air-conditioned locations. These warning are also a good indicator that ozone damage may occur in plants.

Nightshade Management Reduces Crop Loss

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

Last Modified: March 20, 2012
Nightshade Management Reduces Crop Loss

Depending on the crop, nightshade can reduce crop yields, harbor diseases, and cause crops to be rejected by processors. Learn about the species of nightshades in NY, physiological differences between them, emergence and growth information, and control strategies.

Buckwheat Strips to Attract Beneficial Insects in Potato Production

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: January 12, 2012
Buckwheat Strips to Attract Beneficial Insects in Potato Production

Download a report of field plot strategies for using buckwheat strips to attract beneficial insects for the control of Colorado potato beetle in potato production (2009/2010). This project was funded by the Organic Farming Research Federation.


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

Chautauqua Winter Vegetable Meeting

Event Offers DEC Credits

February 10, 2023
Clymer, NY

Meeting will feature growers from Ohio sharing their production know-how and thoughts on food safety. Other topics include weed control, pesticide safety, and the impact of poor crop nutrition. 0.75 DEC credits in 1a, 23 plus 0.5 in CORE, which is good for all categories. Trade show booths available. 

Meeting cost is $20/person, includes snacks and educational materials. Registration required by 4 pm on Friday, February 3. 

Orleans Regional Vegetable Meeting

Event Offers DEC Credits

February 15, 2023
Albion, NY

Offering presentations in pesticide safety, tips for managing diseases in vegetable crops, how to attract beneficial insects to your field, herbicide options for cole crops, and strawberry disease information. Meeting cost is $10 per person, payable at the door via cash or check. Pre-registration requested by 5:00 pm on Monday, February 13.

DEC credits available: 2.25 in 1a and 10; 2.0 in 23; 1.5 in 22; and 0.5 in CORE (used in all categories)!!

NYS Processing Vegetable Industry Roundtable Meeting

Event Offers DEC Credits

March 15, 2023 : Morning Session: Snap Beans, Sweet Corn, and Peas
Batavia, NY

Processing vegetable industry members who grow, manage, or support snap bean, sweet corn, or pea production for Nortera and/or Seneca Foods, should attend this session of the roundtable meeting. You will:

  • Network at this in-person meeting.
  • Learn the results of industry-funded research.
  • Have a voice in Cornell research and extension.
  • Earn 2.0 DEC credits in categories 1a, 10, 23 and CCA recertification credits.

This FREE event is followed by lunch! Pre-registration requested.


March 15, 2023 : Lunch Break and Networking

Lunch is FREE to anyone attending either the Morning Session or the Afternoon Session of the NYS Processing Vegetable Industry Roundtable Meeting. Registration is required.


Event Offers DEC Credits

March 15, 2023 : Afternoon Session: Beets and Carrots
Batavia, NY

Processing vegetable industry members who grow, manage, or support beet or carrot production for Nortera, Seneca Foods and/or Love Beets, should attend this session of the roundtable meeting. You will:

  • Network at this in-person meeting.
  • Learn the results of industry-funded research.
  • Have a voice in Cornell research and extension.
  • Earn 2.0 DEC credits in categories 1a, 10, 23 and CCA recertification credits.

Lunch is provided before this session. It's FREE! Pre-registration requested. 

Announcements

2022 Year in Review Released

Our 2022 Year in Review report highlights some of our 2022 projects and community outreach efforts impacting commercial vegetable, greenhouse, potato, and dry bean producers in 14 counties of western and central New York, and beyond.
  • Education and Technical Assistance Provided to Providence Farm Collective
  • Engineering Improvements in Biodegradable Mulch
  • Perseverance Leads to Solution for Perennial Sowthistle in Onion
  • Potato Programming Spans Farms of All Sizes
  • Improving Winter High Tunnel Soil Nitrogen Management
  • Laser Scarecrows Tested on Local Farms
  • New York Vegetable Industry Support
Cornell Cooperative Extension is Your Trusted Source for Research-Based Knowledge!

Small-Scale Fresh Mkt Potato Variety Trial Results

This year, the Cornell Vegetable Program planted a potato variety trial focused on commercially available fresh market potato varieties, with the small-scale potato grower in mind. This trial allowed us to test different varieties of potatoes that might be of interest to consumers at farm markets and see how well they perform in a western NY climate. 

We've posted a brief overview of our results on the Potato page.

If you would like the full report (PDF with photos and yield data) emailed to you, email Margie Lund.

New Ag Climate Factsheet Released

The intersection of agricultural production and greenhouse gases is gathering increasing attention. This is an opportune time to consider how vegetable production interacts with carbon sequestration and greenhouse gas emissions, and how using cover crops may alter this picture.

The factsheet, Greenhouse Gases and Soil Organic Carbon in Vegetable Production and the Role of Cover Crops, written by Zach Spangler, Ag Climate Resiliency Specialist with CCE Harvest NY, and Elizabeth Buck, Fresh Market Vegetable Specialist, CCE Cornell Vegetable Program, discusses:
  • Sequestration of atmospheric carbon in agricultural soils as soil organic carbon (SOC). Is vegetable production impacting SOC?
  • Net greenhouse gas emissions of carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4) from the soil.
  • Impact of cover crops on soil organic carbon, nitrous oxide emissions, and other GHG emissions.