Eastern New York Commercial Horticulture Enrollment

Program Areas

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

Enrollment Benefits

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

ENYCH Enrollment Form (PDF; 1151KB)

Enrollee Login

Password:

Log In To Access:

  • Helpful Diagnostic Tool:
      What's wrong with my crop?

Not an Enrollee? Enroll Now!

Online Enrollment Form

Allium Leafminer Active in Southern Pennsylvania

Teresa Rusinek, Vegetable Specialist
Eastern New York Commercial Horticulture

April 18, 2018

A new invasive insect pest in the Northeast known as the Allium leafminer (ALM), Phytomyza gymnostoma, damages crops in the Allium genus (e.g., onion, garlic, leek, scallions, shallots, and chives) and is considered a major economic threat to Allium growers. Originally from Europe, ALM was first detected in Lancaster County, Pennsylvania in December of 2015 and in New Jersey and New York in 2016. As of fall 2017, ALM activity has been confirmed throughout eastern Pennsylvania, New Jersey, Delaware, southeastern New York as well as Tompkins and Suffolk counties.

ALM is currently active in Lancaster, PA where the first signs of adult fly emergence were detected on April 13, 2018. Based on our observations from last spring in the Hudson Valley, we expect emergence in our area in the next week or so.  ALM will continue to emerge, feed and lay eggs in alliums over about 4 weeks.  Leaf mining from larvae will begin to show up within two weeks after first adult emergence and intensify over the duration of the flight.  The larvae mine their way toward the base of the allium plant where they will pupate. 

Growers who have alliums with green tissue growing in the field or in high tunnels now in southeastern New York should consider protective measures soon, especially in Orange, Ulster, Dutchess, Columbia, Sullivan, and Schoharie counties where significant infestations were observed last year.  If you have small plantings that can be covered with row cover to exclude emerging ALM flies, now is the time to do so as long as you didn't have infested alliums (including wild onion grass) in the same space last season.   Growers with larger plantings may consider applications of insecticides if and when significant ALM activity is observed in the allium crop. There are both organic and conventional insecticides labeled for allium crops to control this type of leafminer.  Insecticide efficacy tests are currently being conducted in both New York and Pennsylvania. It is important to carefully observe your allium crops over the next few weeks.  ALM oviposition/feeding may initially be observed along field edges. Be vigilant and please call  or email either Teresa Rusinek  at 845 389-3562, tr28@cornell.edu  or Ethan Grundberg at  617 455-1893, eg572@cornell.edu  if you see evidence of ALM feeding or have any questions about management. 



more crops
Apples

Apples

Apricots

Apricots

Asparagus

Asparagus

Beets

Beets

Blueberries

Blueberries

Broccoli

Broccoli

Brussels Sprouts

Brussels Sprouts

Cabbage

Cabbage

Carrots

Carrots

Cauliflower

Cauliflower

Cherries

Cherries

Cucumbers

Cucumbers

Dry Beans

Dry Beans

Eggplant

Eggplant

Ethnic Vegetables

Ethnic Vegetables

Garlic

Garlic

Grapes

Grapes

Horseradish

Horseradish

Kohlrabi

Kohlrabi

Leeks

Leeks

Lettuce / Leafy Greens

Lettuce / Leafy Greens

Melons

Melons

Nectarines

Nectarines

Onions

Onions

Parsnips

Parsnips

Peaches

Peaches

Pears

Pears

Peas

Peas

Peppers

Peppers

Plums

Plums

Potatoes

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

Strawberries

Sweet Corn

Sweet Corn

Sweet Potatoes

Sweet Potatoes

Tomatoes

Tomatoes

Turnips

Turnips

more crops

Upcoming Events

No upcoming events at this time.

Announcements

U-Pick Farm Practices During Covid-19 Pandemic

U-Pick is a critical direct marketing approach for many of our farms and provides
customers with a unique connection to fresh produce grown close to home. In light
of what we understand about the spread of COVID-19, new management practices
will be needed to protect your farm team and your customers. This document
provides recommended practices and communication strategies for U-Pick
operations for the 2020 season.

https://rvpadmin.cce.cornell.edu/uploads/doc_864.pdf

Growers-are you running low on fall pumpkins, etc?

The Produce Auctions located around the state may have what you need.  Check out all of the opportunities here: https://harvestny.cce.cornell.edu/submission.php?id=4

Resources from CCE ENYCHP!

We are developing new ways to connect with the CCE ENYCHP team this year! We have a Youtube page located at this link. Check out videos on Table Grape Production, Pest Updates and the 20 Minute Ag Manager - in 4 Minutes series

We have a Facebook Page here as well as an Instagram page. We keep these places updated with current projects, events, and other interesting articles and deadlines.

There are also text alerts available. Fruit and vegetable farmers in 17 Eastern NY counties can now receive real time alerts on high risk disease and pest outbreaks texted directly to their cell phone. The Eastern NY Commercial Horticulture program, which is supported by local Cornell Cooperative Extension associations, will now offer text alerts to those that enroll in our program in 2019. 

The text alerts will be reserved for important crop alerts that could impact management decisions immediately. For instance, if there were an outbreak of Late Blight in the area, this would be transmitted to vegetable growers.

Farmers can choose the crop for which they wish to receive updates. Additionally they can request that Ag Business Alerts be sent to them. These alerts might include due dates for crop insurance deadlines, market opportunities etc.

If you have questions, please contact enychp@cornell.edu


Podcasts

Onion Thrips and Onion Maggot Management Recommendations with Dr. Brian Nault

May 26, 2021
Onion Thrips and Onion Maggot Management Recommendations with Dr. Brian Nault

Cornell University vegetable entomologist Dr. Brian Nault discusses recommendations for managing onion thrips in 2021 with specialist Ethan Grundberg. Nault and Grundberg review basic principles of resistance management, using action thresholds to time insecticide applications, and season-long pesticide programs for managing thrips before discussing how the upcoming chlorpyrifos ban in New York will impact seedcorn and onion maggot management in 2022 and beyond.

Resources:

Onion Thrips Insecticide Program Flow Chart from Dr. Brian Nault: https://rvpadmin.cce.cornell.edu/uploads/doc_980.pdf

NEWA Onion Maggot Emergence Model: http://newa.cornell.edu/index.php?page=onion-maggot

listen now

read transcript

view all podcasts
NEWSLETTERS  |   CURRENT PROJECTS  |   IMPACT IN NY  |   SPONSORSHIP  |   RESOURCES  |   SITE MAP