Eastern New York Commercial Horticulture Enrollment

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High Tunnel Tomatoes - Early Pruning Pays off

Amy Ivy, Vegetable Specialist
Eastern New York Commercial Horticulture

May 2, 2018

greenhouse

May is an insane time around any NY vegetable farm and it's a challenge to prioritize the mountain of tasks each day. But a little time spent pruning and training your high tunnel tomato plants now can really pay off later. Not only will they yield better, your labor will be more efficient during harvest since workers won't be plowing through a dense tangle of leafy stems to get to the tomatoes.

Here's a quick review:

Remove lower leaves up to the first fruit cluster. Bend the leaf up, then down and it should snap off cleanly, making quick work of this simple but important task. Why? It increases airflow around the plant to discourage disease and makes the plant easier to work around.

Strong Y - whether you are training determinate or double leader indeterminate (see below) start both with the Strong Y. See the photo to locate the weaker suckers to remove and the co-dominate sucker to keep just below the first flower cluster. Allow only the main leader and co-dominate leader to develop, removing all the other suckers and leaves up to this ‘Y' junction on the plant. Why? The lower suckers are less productive. Removing them sends the plant's food energy to the remaining stems, shoots and fruit.

Determinate tomatoes - train them to the ‘stake and weave' aka ‘Florida weave' system. Set a post between every 2-3 plants and start the horizontal twining early so the plants can grow up through the support. Why? This level of support will keep the aisles open for efficient worker movement and will keep the fruit up off the ground for easy harvest.

Indeterminate tomatoes - For large slicing tomatoes some growers prefer single leaders, some prefer double. When in doubt, the double leader system works well in most situations.

In our cherry tomato trial we found the double leader system was the best option in terms of labor efficiency and yield, compared to a single or multi leader system.




Check out these helpful factsheets for more photos and details:

 

tomato2


 

 

 

 This article is from the May 3, 2018 edition of ENYCHP Vegetable News.  To read the full newsletter,CLICK HERE.



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Brussels Sprouts

Cabbage

Cabbage

Carrots

Carrots

Cauliflower

Cauliflower

Cherries

Cherries

Cucumbers

Cucumbers

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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

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Peas

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Peppers

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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

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Turnips

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Upcoming Events

Berry Production Twilight Meeting

Event Offers DEC Credits

July 8, 2021
Peru, NY

Rulf's Orchard, 531 Bear Swamp Road, Peru, NY 

Many berry topics will be discussed including growing Juneberries (Amelanchier, not strawberries), using entomopathogenic nematodes to control strawberry root pests, low tunnel production in June bearing strawberries, SWD monitoring and management. 2.5 DEC pesticide recertification credits available in categories 1A, 10, 22, and 23. Contact Elisabeth Hodgdon (eh528@cornell.edu or 518-650-5323) or Laura McDermott (lgm4@cornell.edu or 518-746-2562) with questions.

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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

“Understanding Fungicide Resistance and How to Avoid It” with Dr. Margaret McGrath

June 16, 2021
ENYCHP Veg News Farm and Field Updates with Teresa Rusinek
“Understanding Fungicide Resistance and How to Avoid It” with Dr. Margaret McGrath of Cornell University
In this this podcast ENYCHP vegetable specialist Teresa Rusinek interviews Dr. Margaret McGrath, of Cornell University School of Integrative Plant Science, to discuss the development of fungicide resistance in plant pathogens and steps growers can take to avoid it.
Resources:
https://www.vegetables.cornell.edu/pest-management/disease-factsheets/general-guidelines-for-managing-fungicide-resistance/
Vegetable Pathology – Long Island Horticultural Research & Extension Center (cornell.edu)
The Cucurbit Downy Mildew Forecast Homepage
https://cdm.ipmpipe.org/

listen now

read transcript

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