Lookout for Leek Moth
Amy Ivy, Vegetable Specialist
Eastern New York Commercial Horticulture
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.
Weed Management for Berries in NY
March 6, 2024 : Weed Management for Berries in NY
Join Cornell scientists, Dr. Bryan Brown, Dr. Lynn Sosnoskie, Rutgers University's Dr. Thierry Besançon, CCE Harvest NY's Anya Osatuke, and CCE ENYCHP's Laura McDermott to hear updates on the latest research concerning weed management in berries.
Northeast Extension Fruit Consortium Winter Webinar Series
March 6, 2024
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March 20, 2024
: Northeast Extension Fruit Consortium Winter Webinar Series
How Profitable will My New Orchard Investment Be? Evaluating Capital Investment Decisions in a Farm Business
February 29, 2024 : Week 1 of the course (February 23-Feb 29)
In week 1 we cover:
- How and why to use a structured process to make investment decisions.
- Identifying the problem to be addressed, generating possible solutions and identifying what information you need to acquire.
- Gathering data and using farm financial statements and farm financial ratios to help make decisions.
In this zoom session we will go over what you learned in the on-line class.
March 7, 2024 : Week 2 (March 1 - March 7)
In week 2 you will: