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Assessing Biocontrols for Pink Root Mitigation and Yield Impact in Onions

Ethan Grundberg, Vegetable Specialist
Eastern New York Commercial Horticulture

March 25, 2019

Thanks to the generous support of the members of the New York Onion Research and Development Program (ORDP) board, Ethan Grundberg and Amara Dunn began evaluating commercially available plant growth regulators, biostimulants, and biofungicides for potential suppression of pink root and impact on yield in transplanted bare root 'Highlander' onions during the 2018 growing season.  As discussed in the proposal for "Assessing Biocontrols for Pink Root Mitigation and Yield Impact in Onions", few conventional fungicides are labeled for pink root management in New York and even fewer are labeled for use as pre-plant dips for bare root transplanted onions.  The goal for the first year of research on this project was to screen a large number of what were broadly designed as biological products, many of which are already being used by onion growers, in order to narrow the focus of future research efforts to find solutions for managing pink root in transplanted onions. 



Assessing Biocontrols for Pink Root Mitigation and Yield Impact in Onions (pdf; 514KB)
  • Onion Research and Development Program, 2018-2019 Progress Report


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Melons

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Pumpkins / Gourds

Radishes

Radishes

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Raspberries / Blackberries

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Rhubarb

Rutabaga

Rutabaga

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Snap Beans

Squash - Summer

Squash - Summer

Squash- Winter

Squash- Winter

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Sweet Corn

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Upcoming Events

Ag Manager Webinar Series: Ag Tax Topics - Sales Tax and Property Tax Issues for Ag in NYS

August 27, 2019
12:30 - 12:50pm

Join Liz Higgins from the CCE ENYCHP every other Tuesday at 12:30pm throughout the summer as she discusses pertinent business topics for busy farm managers.
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Willsboro Farm High Tunnel Twilight Meeting

August 27, 2019
5:00pm - 7:00pm
Willsboro, NY

Join vegetable specialists Elisabeth Hodgdon, Jud Reid, and farm manager Mike Davis for a high tunnel and field tour at Cornell's Willsboro Research Farm, where they will share research results for the following projects: 
  • Striped cucumber beetle management suing netting and row cover
  • Varietal differences in cucumber susceptibility to striped cucumber beetle
  • Ground cherry and goldenberry production in field and high tunnel environments
  • Overwintered high tunnel spinach nitrogen fertility 

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Announcements

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

Biweekly Vegetable News Podcast - Episode 9 - 08/21/19

August 21, 2019
The August 21st, 2019 edition of the Eastern New York Vegetable News covers the following topics:

Changes to Worker Housing Regulations in the Farmworker Fair Labor Practices Act (1:25)
Managing Alternaria Leaf Spot and Head Rot on Broccoli (4:25)
Gauging Winter Squash Maturity for Harvest (10:05)
Insects in Hemp, especially European Corn Borers (18:33)
Guidance on the Dropped Covered Produce Provision of the Food Safety Modernization Act (22:53)
Cucurbit Downy Mildew Management Update (27:02)
Report from the BioControl Field Day and Weed Management Recommendations (31:07)
Day Neutral Strawberries (40:33)

Here are links to additional resources mentioned in the episode:

Current Housing Regulations for Seasonal and Migrant Farmworkers
(On January 1, 2020, these will now apply to farms housing any number of seasonal and migrant farmworkers)

Public Health Law, section 225, NYCRR Title 10 Health, Part 15, Migrant Housing: https://www.health.ny.gov/regulations/nycrr/title_10/part_15/

Managing Alternaria Leaf Spot and Head Rot in Broccoli

Sue Scheufele “Can Alternaria Leaf Spot Be Managed Organically?” http://www.hort.cornell.edu/expo/proceedings/2013/Cole%20Crops/Cole%20Crops%20Scheufele%20Alternaria.pdf

Christy Hoepting “Control of Alternaria head rot in broccoli featuring exciting results from 2018 on‐farm fungicide trial” http://www.hort.cornell.edu/expo/pdf/20190115-all-day-hoepting.pdf

Dropped Covered Produce:
FDA Factsheet on Dropped Covered Produce: https://www.fda.gov/media/129568/download

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