Lake Ontario Fruit Program Enrollment

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Spotted Winged Drosophila found locally and throughout New York and New England

Laura McDermott, Team Leader, Small Fruit and Vegetable Specialist
Eastern New York Commercial Horticulture

August 7, 2012

Spotted Winged Drosophila found locally and throughout New York and New England

Last week and early this week scouts throughout the state have reported finding SWD in vinegar traps or through other monitoring methods. These findings have been very small as far as numbers of individuals, but extension specialists in New England are warning that fruit fly numbers balloon quickly from initial sighting to infestation levels. Counties that have reported SWD catches include Albany, Columbia, Monroe, Orange, Orleans, Tompkins and Ulster counties.  Similar findings have been reported in Connecticut, Maine, New Hampshire, Massachusetts and Pennsylvania throughout the early summer.  In light of these findings, blueberry, summer and fall raspberry and day-nuetral strawberry growers are urged to be vigilant about this pest.

 
Monitor for SWD- There are two basic strategies to monitor for SWD- trapping adult flies and monitoring fruit for larval infestation. To trap adult flies, you can use a clear plastic cup with a removable lid and poke several small holes (literature reports that you should use a drill bit of 0.1875 inch) 3" up from bottom all around the cup. Pour 2" of apple cider vinegar (studies have also tested sake, but the vinegar seems to work the best) into the cup. A drop of liquid soap helps break the surface tension so that the flies will sink.  Use a sturdy wire or plastic zip tie to hang the trap at the fruiting level of the canopy on the shaded side.  Ideally this should be done prior to fruit coloring. A minimum of three traps should be placed in a crop and the traps should be cleaned and checked weekly. Some traps use yellow sticky cards that are suspended above the vinegar. This may be helpful as you learn to ID the insect. To ID the submerged flies, you will need to strain vinegar through a fine filter. SWD males are MUCH easier than females to ID as they have the spotted wings. Female flies do not have spots on the wings and are IDed by looking at the ovipositor which is quite prominent in SWD. There are many fruit flies that may be drawn to the vinegar trap, so if you have insects in the vinegar, don't panic. For more information about
making your own traps, check out: http://www.youtube.com/watch?v=_DX9K8e6ra8

Managing SWD in Berry Crops
When to pull the trigger will be the trickiest decision for most growers. Anecdotally, extension researchers with just one season of experience are suggesting that growers not wait until they see large numbers of SWD in vinegar traps. This is because apple cider vinegar traps do not seem to be good early indicators of SWD.  In fact, most folks have been able to find larvae in fruit at close to the same time they are catching adults in the traps. Yeast traps, which are much tricker to see the flies in, have been shown to be much better lures, and some folks have suggested adding cheap wine to the apple cider to increase the potency of the phenol given off. 

Once you do decide to spray, the interval will depend on the materials you choose. In fall raspberries, a Malathion (used for control of Japanese Beetle 1 DTH, 12 hr REI) and Delegate (1 DTH and 4 hr REI)  rotation on a 7-10 day cycle should provide adequate control if you start early enough.  Spiking the mixture with a sugar solution of 1 lb of sugar per 100 gallons may help lure fruit flies into sprayed crop.  Other labeled materials include Molt-X and Entrust. For organic growers, Entrust should be used in rotation with Pyganic, but Entrust will provide the most efficacy. The spray program for organic growers needs to be closer to 5days to insure control.

For day neutral strawberry growers, materials used for tarnished plant bugs should help knock back SWD, and the use of sugar in the tank might improve the efficacy of the product for SWD.  AzaSol is labeled for SWD. Aza-Direct, another formulation of azadiractin, is OMRI approved as is Pyganic. The azadirachtin materials have 4 hours REI. Pyganic has 12 hours.

The cultural aspects of controlling these pests include picking the crop VERY clean. Remove all fruit that is spent. Try to gather drops (or spray the ground). Cull piles of fruit should be buried daily. 

How long does it take for fruit fly to develop?  Egg to larvae is usually 1-2 days but it can take as few 2 hours. Chilling fruit to almost 32 degrees may actually kill larvae, but temperatures around 40 degrees will only slow development.




more crops
Apples

Apples

Apricots

Apricots

Asian Pears

Asian Pears

Blueberries

Blueberries

Cherries

Cherries

Currants

Currants

Gooseberries

Gooseberries

Nectarines

Nectarines

Peaches

Peaches

Pears

Pears

Plums

Plums

Raspberries / Blackberries

Raspberries / Blackberries

Strawberries

Strawberries

Unusual Fruit

Unusual Fruit

more crops

Upcoming Events

2024 Tree Fruit & Small Fruit Twilight Meetings

Event Offers DEC Credits

April 25, 2024 : Tree Fruit & Small Fruit Twilight Meetings 1 of 4
Newark, NY

Join specialists Janet Van Zoeren, Anya Osatuke, and Anna Wallis for a conversation about fruit and berry phenology and pest management, at a new location each month.


Event Offers DEC Credits

May 30, 2024 : Tree Fruit & Small Fruit Twilight Meetings 2 of 4
Lockport, NY

Join specialists Janet Van Zoeren, Anya Osatuke, Robert Hadad, and Anna Wallis for a conversation about fruit and berry phenology, pest management, food safety and water quality, at a new location each month.


Event Offers DEC Credits

June 27, 2024 : Tree Fruit & Small Fruit Twilight Meetings 3 of 4
Penn Yan, NY

Join specialists Janet Van Zoeren, Anya Osatuke, Robert Hadad, and Anna Wallis for a conversation about fruit and berry phenology, pest management, food safety and water quality, at a new location each month.


Event Offers DEC Credits

July 25, 2024 : Tree Fruit & Small Fruit Twilight Meetings 4 of 4
Mexico, NY

Join specialists Janet Van Zoeren, Anya Osatuke, Robert Hadad, and Anna Wallis for a conversation about fruit and berry phenology, pest management, food safety and water quality, at a new location each month.

View 2024 Tree Fruit & Small Fruit Twilight Meetings Details

Apple Social

July 16, 2024 : Orleans County - Apple Social
Medina, NY

Please join us at this casual networking event for all apple industry folks from Western NY, proudly sponsored by Valent. There will just a brief introduction of the Lake Ontario Fruit Program, and from each of the four specialists.


July 31, 2024 : Wayne County - Apple Social
Williamson, NY

Please join us at this casual networking event for all apple industry folks from Western NY, proudly sponsored by Valent. There will just a brief introduction of the Lake Ontario Fruit Program, and from each of the four specialists.

View Apple Social Details

2nd Annual WNY Fruit Grower Tour

Event Offers DEC Credits

August 13, 2024
Medina, NY

We are excited to announce the second annual Western New York Fruit Grower Tour, the premier fruit tour of the northeast brought to you by Cornell Cooperative Extension's Lake Ontario Fruit Program and Lake Ontario Ag Consulting, LLC!  Located in Orleans County, this orchard field day will highlight new and existing products, chemistries, practices, technologies & equipment that shape the orchard industry today. The Western NY Fruit Grower Tour will again combine two past orchard tour events, the LOF Summer Fruit Tour and the Wayne County Fruit Grower Tour, giving industry members the opportunity to conveniently showcase their product offerings to ONE unified group at ONE time and place!

View 2nd Annual WNY Fruit Grower Tour Details

Announcements

Scaffolds podcast

Many of you probably read Art Agnello's statewide tree fruit updates and recommendations newsletter, "Scaffolds". Dr. Monique Rivera is bringing it back, but in a new audio version. Episode one was recorded this week, and is now available for free online at https://podcasters.spotify.com/pod/show/scaffolds


NYS Tree Decline Survey

Your answers could help find the solution to tree decline in the orchard.
NYS Tree Decline Survey


Save the Date! - Scroll down for Upcoming Events

Have you missed a meeting recently? Scroll down for available recordings or pdf links or visits our YouTube Channel https://www.youtube.com/c/LakeOntarioFruitProgram

2024 Events:

18 Jun - Postponed WNY Bilingual Soil Health & Beneficial Fungi Meeting - Check back for future reschedule date!

20 Jun - 2024 Virtual Orchard Meetup Series 'Water Wisdom" Smart Watering: Practices for Irrigation Management - 7PM, Zoom

25 Jun - Virtual IPM Orchard Scout Training 2 - 1:30 - 3pm, Zoom

27 Jun - Tree Fruit & Small Fruit Twilight Meeting 3_4 - 6:30pm-8:30PM, Penn Yan

27 Jun - 2024 Virtual Orchard Meetup Series 'Water Wisdom" Water Wisdom Unplugged: Panelist Q&A - 7PM, Zoom

29 Jun - NYS Honeyberry Conference - 8:30am - 4:30pm, Mexico, Space is limited, register now!

16 July - Apple Social - 6-9 PM, LynOaken Farm Market & Winery, Medina.

25 Jul - Tree Fruit & Small Fruit Twilight Meeting 4_4 - 6:30pm-8:30PM, Mexico

31 July - Apple Social - 6-9 PM, VanAcker Farms, Williamson.

13 Aug - 2nd Annual WNY Fruit Grower Tour - Orleans County

17 Aug - Annual Hispanic Summer Tour - Orleans County, Details to follow!

Feb 4-5, 2025 - Western NY Fruit Conference - DoubleTree by Hilton Hotel, Rochester



Food Safety Virtual Office Hours

Cornell Institute of Food Safety "Virtual Office Hours", Tuesdays Noon to 1pm https://cals.cornell.edu/institute-for-food-safety/resources/virtual-office-hours

Past recorded virtual office hours can be found on YouTube: https://www.youtube.com/playlist?list=PLZJs5b7KUuvfcquH3ZtQHo5dSmF2m5MdQ


Webinar Recordings & Additional Meeting Materials

Check out the recordings of some recent webinars and/or conference materials from in person events: Recordings and Playlists are available at https://www.youtube.com/c/LakeOntarioFruitProgram

2024 Virtual Orchard Meetup Series - Water Wisdom: 
1/4 - Trends In Water Availability
2/4 - The Role of Water In Tree Fruit Physiology & Quality
3/4 - Smart Watering: Practices for Irrigation Management


2024 8-12 mm Thinning Meeting

2024 Capital Region & Western NY Petal Fall Thinning Meeting

2024 Statewide Pink Meeting

2024 Cornell Statewide Frost Protection Webinar

2024 Winter Fruit Webinars playlist on the NYS IPM Program YouTube Channel

2nd Annual Lake Ontario Fruit Program's Winter Fruit Conference - 2024 pdfs

PACMAN Details and Resources, Meeting Recording Links below:
Developers Conference for Precision Crop Load Management of Apples Playlist - 2024
PACMAN Briefing - 2023








Pollinator Resouces

Now available Pollinator Resource Links


Meeting Recordings Now Available

Did you miss the recent meeting?  Check and see if we recorded it and added it to our website or Lake Ontario Fruit Program YouTube Channel.

Honeycrisp Meetup recordings available here.

Why are my trees growing so poorly? recording available here.

Additional Recorded Webinars listing with recording and resource link are available at
https://lof.cce.cornell.edu/submission.php?id=838&crumb=crops|crops|apples|crop*38



New Publication on Growing Pawpaws

Are you a fan of pawpaws? These custardy fruits can be hard to come across, so this guide provides information on how to grow your own pawpaw from seed, and how to care for grafted seedlings. Pdf on growing now available.​ https://lof.cce.cornell.edu/submission.php?id=799&crumb=crops|crops|unusual_fruit|crop*50

New Weed Management Technology Survey

Want to move away from herbicide reliance? Are you using novel technologies to manage weeds? We want to know about it to inform our weed science research. A team of weed scientists from University of California Davis, Oregon State University, and Cornell University are asking berry, tree fruit, tree nut, and vine crop growers to take 5 to 10 minutes and answer this short and anonymous survey. Weed Technology Survey link: https://cornell.ca1.qualtrics.com/jfe/form/SV_bEpfAijoP7puQDP

For more information on this survey please visit http://blogs.cornell.edu/swd1/2020/12/02/new-weed-management-technology/


Pollinator Webinar Series - Summer 2020

The Pollinator Webinar Series presented by Penn State cover bee health and pollination services.



Bloom Pesticides for Pollinator Health

A reference table created by Janet van Zoeren and Anna Wallis, is now available at https://lof.cce.cornell.edu/submission.php?id=711&crumb=pests|pests.

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