Eastern New York Commercial Horticulture Enrollment

Program Areas

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

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

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Lookout for Leek Moth

Amy Ivy, Vegetable Specialist
Eastern New York Commercial Horticulture

May 17, 2018

early leek mothEarly leek moth damage to garlic. Unfold the youngest
 leaves near the emerging scape to find the damage
and young caterpillars
map

Leek moth is a pest of all allium crops: onions, garlic, leeks, shallots and chives. It is widespread through the southern parts of Ontario and Quebec in Canada, northern NY and in recent years, most of Vermont (see map).

Leek moth overwinters as an adult and begins flying in mid-April. This year the first adults were caught in Essex on April 21, in spite of very cold weather the week prior. The adults seek out alliums on which to lay eggs; emerging garlic and onion seedlings are known to be popular sites. Overwintering onions and emerging chives could be likely hosts for these first egg laying efforts as well. Larvae should be hatching in a couple of weeks.

Be cautious when buying and selling onion transplants between growers in the infested areas. We have seen leek moth appear in new locations when infested plants were brought in from other farms. It is not known in the southern US so seedlings from there should not be a concern for leek moth but caution is advised when buying any northern grown seedlings.

Leek moth larvae can do considerable damage to garlic scapes and this is a good first place to look for them when scouting. Look inside folded leaves near the developing scapes as well. There are 2ee labels for Entrust (organic), Radiant, Lannate and Warrior II w/Zeon. Controlling this first emergence of larvae can help protect onions from the second generation of leek moth which is more difficult to control since the larvae are more protected because they feed inside the hollow onion leaves. 

leek2Damage to garlic scape as it emerges



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Brussels Sprouts

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Cabbage

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Cauliflower

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Eggplant

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Ethnic Vegetables

Ethnic Vegetables

Garlic

Garlic

Grapes

Grapes

Horseradish

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Kohlrabi

Leeks

Leeks

Lettuce / Leafy Greens

Lettuce / Leafy Greens

Melons

Melons

Nectarines

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Onions

Parsnips

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Pears

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Peas

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Plums

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Potatoes

Pumpkins / Gourds

Pumpkins / Gourds

Radishes

Radishes

Raspberries / Blackberries

Raspberries / Blackberries

Rhubarb

Rhubarb

Rutabaga

Rutabaga

Snap Beans

Snap Beans

Squash - Summer

Squash - Summer

Squash- Winter

Squash- Winter

Strawberries

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Sweet Corn

Sweet Corn

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Upcoming Events

ENY Orchard Soil Health and Beneficial Fungi Meeting

August 15, 2024 : ENY Orchard Soil Health and Beneficial Fungi Meeting
Peru, NY

Join the members of CCE ENYCHP and the Cornell Soil Health Program for a field meeting on the basics of soil health, the potential benefits of mycorrhizal fungi, and an update on the current project status of our SARE grant on orchard mycorrhizal products.

This meeting is intended for farmworkers, young and beginning orchardists, and experienced orchard managers wanting to learn about the basics of soil health and mycorrhizal fungi within the orchard.

View ENY Orchard Soil Health and Beneficial Fungi Meeting Details

North Point Community Farm Twilight Meeting

Event Offers DEC Credits

August 19, 2024 : North Point Community Farm Twilight Meeting
Plattsburgh, NY

North Point Community Farm Twilight Meeting

Monday, August 19th 4-7 pm (rain or shine)

2172 Military Turnpike, Plattsburgh, NY 12901

$10 per farm

Join us for a tour of North Point Community Farm, a diversified vegetable, berry, and flower operation in the North Country. Farmers Marisa and Mike will give us an overview of their decision-making as they expand their business, increasing their high tunnel production, investing in new tillage equipment, and transforming an old dairy barn into an efficient wash-pack shed with food safety in mind. We'll end the evening with local food refreshments and an opportunity to network with growers from NY and VT.

DEC credits: 1.5 credits in categories 1A, 10, 23

View North Point Community Farm Twilight Meeting Details

Late Summer Orchard Meeting

Event Offers DEC Credits

August 21, 2024
Fonda, NY

Join us for our last get together of the summer before we're in the thick of harvest. At this meeting, we will tour Sand Flats Orchard with manager Mitch Hoffman, and we will then discuss late season pest management tasks with our experts from the HVRL and Cornell AgriTech. 

DEC Credits: 1.5 credits in categories 1A, 10, and 22. 

View Late Summer Orchard Meeting Details

Announcements

Resources from CCE ENYCHP!


This website (https://enych.cce.cornell.edu/) contains our calendar of upcoming programs and registration links. For updated programmatic information, technical resources and links to newsletters please see our program blog site: https://blogs.cornell.edu/enychp/.
We also maintain the following online resources that you can view directly from these links:

• CCE ENYCH YouTube (program videos): https://www.youtube.com/channel/UCSk_E-ZKqSClcas49Cnvxkw

• CCE ENYCH Facebook (program social media): https://www.facebook.com/CCEENYCHP/

• CCE ENYCH Instagram (program social media): https://www.instagram.com/cceenychp/?hl=en


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