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Squash - Summer

Squash - Summer New York State has a strong industry growing winter and summer squash with over 5,000 acres produced in 2011 with a value of over 43 million dollars. A lot of summer squash is sold on the wholesale market, but nearly all of it is consumed fresh. Zucchini and Summer /Yellow squash are dominant types of summer squash grown in the area. Powdery and Downy Mildew, and Phytopthroa blight are the major diseases we are concerned with. Viruses are of major importance for summer squash growers and have led to plant breeders and seed companies to develop and release many different virus resistant varieties.

Relevant Events

Cattaraugus Fresh Market Vegetable Meeting

Event Offers DEC Credits

June 29, 2022
East Otto, NY

Orleans Fresh Market Vegetable Meeting

Event Offers DEC Credits

July 6, 2022
Albion, NY

Chautauqua Vegetable Grower Meeting

Event Offers DEC Credits

July 12, 2022
Frewsburg, NY

Eden Valley Twilight Meeting

Event Offers DEC Credits

July 13, 2022
Eden, NY

Niagara County Twilight Meeting

Event Offers DEC Credits

July 28, 2022
Gasport, NY

Growing for Wholesale: Grading and Packing Guidelines by Crop

Last Modified: August 29, 2019
Growing for Wholesale: Grading and Packing Guidelines by Crop

Grading and packing guidelines are now available for 18 commonly grown specialty crops in NYS: romaine lettuce, acorn squash, broccoli crowns, Brussels sprouts, sweet corn, green peppers, cucumbers, green cabbage, red cabbage, savoy cabbage, cauliflower, eggplant, green beans, jalapenos, poblanos, Hungarian hot peppers, summer squash, and zucchini.


Video: New York State Produce Auctions

Last Modified: March 8, 2018
Video: New York State Produce Auctions

Currently, there are 8 produce auctions in New York State. These auctions are aggregation points that allow local farmers to sell their produce in wholesale lots to buyers from across the region. To document the economic impact of produce auctions on agriculture, local businesses, family farms, and produce buyers, the Cornell Vegetable Program worked with Harvest New York to survey top sellers and buyers.

A new Cornell Vegetable Program video shares general information about produce auctions, how buyers and sellers use the auctions to expand their businesses, and how local communities benefit from them.


Video: Downy Mildew

Last Modified: July 6, 2017
Video: Downy Mildew

Downy mildew is a potentially devastating disease to cucurbits. It usually affects cucumbers and cantaloupes first; later in the season it can be found on summer squash and zucchini. During some seasons, downy mildew can spread to winter squash and watermelons. Growers need to be monitoring their fields. This short video shows the different stages of the disease and possible outcomes if it is not controlled.

2017 Cucurbit Downy Mildew Management Guidelines

Last Modified: July 5, 2017
2017 Cucurbit Downy Mildew Management Guidelines

From Margaret McGrath, Cornell
Producing a high-quality cucurbit crop necessitates effectively managing downy mildew. This foliar disease is common in the northeast because the pathogen produces a large quantity of asexual spores that are easily dispersed long distances by wind, which enables it to spread widely. There has been no evidence that the pathogen is surviving between growing seasons where winter temperatures kill cucurbit crops (outdoors above the 30th latitude); however, recently both mating types have been found, albeit typically on different cucurbit crop types, thus there is the potential for the pathogen to produce oospores (sexual spores) that could enable the pathogen to survive in northern areas of the USA. The downy mildew forecasting program has documented based on downy mildew occurrence movement of the pathogen throughout the eastern USA each year via its wind-dispersed asexual spores. The pathogen does not affect fruit directly; however, affected leaves die prematurely which results in fewer fruit and/or fruit of low quality (poor flavor, sunscald, poor storability).

The most important component of an effective management program for downy mildew is an effective, properly-timed fungicide program. And the key to that is applying mobile fungicides targeted to the pathogen starting when there is a risk of the pathogen being present. Mobile (or translaminar) fungicides are needed for control on the underside of leaves. Each year there often are changes to the fungicides recommended as the pathogen develops resistance or new products are registered. Because these fungicides have targeted activity, additional fungicides must be added to the program when there is a need to manage other diseases such as powdery mildew. Most targeted fungicides effective for downy mildew are also effective for Phytophthora blight.

Guideline Tools: Weed Management in Cucurbits, 2015

Darcy Telenko, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: June 9, 2015
Guideline Tools: Weed Management in Cucurbits, 2015

This reference sheet lists the herbicides that are labeled for cucurbits in New York and which species are controlled, as well as other important considerations and photos of weeds. While this is a handy references, it is critical to read the product labels thoroughly.

Copper Fungicides for Organic Disease Management in Vegetables

Last Modified: September 16, 2013
Copper Fungicides for Organic Disease Management in Vegetables

There are several different copper fungicides approved for use in organically-produced crops. Copper fungicides are important tools for managing diseases that cannot be effectively managed with cultural practices alone.

Responding to Hailstorms

Crystal Stewart-Courtens, Extension Vegetable Specialist
Eastern New York Commercial Horticulture

Last Modified: June 26, 2013
Responding to Hailstorms

While no one wants to think about the possibility of hail hitting their beautiful crops just as they start to respond to the heat and take off, the likelihood that we will see more hail seems pretty high. So let's talk about it.

Buckwheat Strips as an Attractant of Pollinators for Vine Crops

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: January 12, 2012
Buckwheat Strips as an Attractant of Pollinators for Vine Crops

Download a report on using buckwheat strips to attract native pollinators to vine crops (2008). This project was funded by the Organic Farming Research Federation.


more crops
Asparagus

Asparagus

Beets

Beets

Broccoli

Broccoli

Brussels Sprouts

Brussels Sprouts

Cabbage

Cabbage

Carrots

Carrots

Cauliflower

Cauliflower

Cucumbers

Cucumbers

Dry Beans

Dry Beans

Eggplant

Eggplant

Ethnic Vegetables

Ethnic Vegetables

Garlic

Garlic

Horseradish

Horseradish

Kohlrabi

Kohlrabi

Leeks

Leeks

Lettuce / Leafy Greens

Lettuce / Leafy Greens

Melons

Melons

Onions

Onions

Parsnips

Parsnips

Peas

Peas

Peppers

Peppers

Potatoes

Potatoes

Pumpkins / Gourds

Pumpkins / Gourds

Radishes

Radishes

Rhubarb

Rhubarb

Rutabaga

Rutabaga

Snap Beans

Snap Beans

Squash - Summer

Squash - Summer

Squash- Winter

Squash- Winter

Sweet Corn

Sweet Corn

Sweet Potatoes

Sweet Potatoes

Tomatoes

Tomatoes

Turnips

Turnips

more crops

Upcoming Events

Cattaraugus Fresh Market Vegetable Meeting

Event Offers DEC Credits

June 29, 2022
East Otto, NY

This produce walk will feature peer-to-peer learning. All attendees should wear long pants. Free to attend. 2.0 DEC credits in categories 1a, 10, and 23.

Orleans Fresh Market Vegetable Meeting

Event Offers DEC Credits

July 6, 2022
Albion, NY

This produce walk will feature peer-to-peer learning. All attendees should wear long pants. Free to attend. 2.0 DEC credits requested in categories 1a and 23.

Chautauqua Vegetable Grower Meeting

Event Offers DEC Credits

July 12, 2022
Frewsburg, NY

This meeting will feature a fresh market field walk to facilitate grower-to-grower learning. All attendees should wear long pants. Free to attend. 2.0 DEC credits requested in categories 1a and 23. 

Announcements

Lorsban is Banned: What Now?

Cabbage maggot (CM) feeds on brassica seedlings by tunneling into the stem of the plant just below the soil line. Their feeding can result in unsightly and unmarketable produce in the case of root brassicas like turnips, and in stunting, reduced stand, and reduced yield in head and stem brassicas like cabbage and broccoli. Lorsban and other formulations containing the active ingredient chlorpyrifos were the first line of defense for control of cabbage maggot in several brassica crops, because 1) at ~$10 per acre, it was affordable, and 2) it was easy to apply and avoided worker exposure as a directed spray at the base of the plant.

Unfortunately, Lorsban and all of its generic products for food and feed uses were banned in New York as of July 31, 2021, and in the United States as of February 28, 2022. In the absence of Lorsban and other chlorpyrifos-containing insecticides, NY brassica growers have 6 products belonging to 4 chemical classes available to manage cabbage maggot. This article, Lorsban is Banned: How to Control Cabbage Maggot in Brassicas Now?, written by Cornell Vegetable Program Specialist Christy Hoepting and Brian Nault of Cornell AgriTech, provides our "2022 Top Picks" to use instead of Lorsban plus results of Cornell research trial results related to application method, rate, and cabbage maggot control.


Propagating Strawberry Plants Through Runners

The production of strawberry plants is challenging due to the rigorous sanitation needs that must be met, especially in field propagation settings, but also in greenhouse settings. To add to that, growers in New York may find it more difficult to obtain their preferred strawberry varieties in the coming years, as fewer nurseries are propagating strawberries. The solution: strawberry plug plants propagated from runners in a controlled environment such as a greenhouse or high tunnel.

Plug production of rarer varieties that do well in New York State will fetch a higher price than dormant bare-root plants due to the higher cost of production and lower availability in the Northeast, especially if plants are available in August. Propagating Strawberry Plants Through Runners, written by Anya Osatuke of CCE Harvest NY and Brad Bergefurd of The Ohio State University, only discusses production and marketing potential of plug plants because successful field production of bare-root strawberries is very difficult to achieve without the use of highly restricted soil fumigants. 



Cornell Commercial Vegetable Guidelines Available

The 2022 Cornell Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production are now available!

Written by Cornell University specialists, this publication is designed to offer producers, seed and chemical dealers, and crop consultants practical information on growing and managing vegetable crops in New York State. Topics include general culture, nutrient management, transplant production, postharvest handling, organic production, and managing common vegetable crop pest concerns. A preview of the Vegetable Guidelines can be seen online.

Cornell Crop and Pest Management Guidelines are available as a print copy ($43.50), online-only access ($43.50), or a package combining print and online access ($61.00). Shipping charges will be added to your order. Cornell Guidelines can be obtained through many local Cornell Cooperative Extension offices (call to confirm availability), or from The Cornell Store at Cornell University or call (844) 688-7620.