Thanks to everyone for the input.
Art Kelly
Kelly Orchards
Acton, ME
On Sat, Aug 22, 2015 at 9:17 AM, Peter J. Jentsch wrote:
> Art,
>
>
> Once the fruit is infested, cold storage for 3 days at 33F will kill the
> majority of larva in the fruit, retaining the integrity of fruit at the
> time of harvest from further injury.
>
>- If the fruit are clean (uninfested) at the time of application AND
>the material has a high degree of efficacy in reducing SWD egg laying, the
>fruit will remain clean.
>
>
>- If the fruit has been newly infested with one or more eggs you
>may get some efficacy from the application to reduce larval activity,
>with protection from further infestation in the field depending on
>insecticide efficacy. Its likely they will remain infested with larval
>activity increasing in storage unless cold treated.
>
>
>- Sound stone fruit are much less likely to be infested. We have only
>reared a singly fly from sound peach. We have seen oviposition on plum with
>no fly emergence. Blueberry have shown to be much less attractive to SWD
>then raspberry and blackberry. A 7 day schedule for blueberry using the
>best materials has been shown to be effective at managing the pest
>on many farms with consistent pest management programming. In the Hudson
>Valley a 3d program is required in raspberry and blackberry
>for commercial quality fruit.
>
> Best,
>
> Peter J. Jentsch
> Hudson Valley Laboratory Superintendent
> Senior Extension Associate - Entomology
> Department of Entomology, Cornell University
> Hudson Valley Research Lab
> P.O. Box 727, 3357 Rt. 9W
> Highland, NY 12528
>
> Office: 845-691-7151
> Cell: 845-417-7465
> FAX: 845-691-2719
>
> E-mail: p...@cornell.edu
> http://www.hudsonvalleyresearchlab.org/
> http://blogs.cornell.edu/jentsch/
>
>
> --
> *From:* apple-crop-boun...@virtualorchard.net <
> apple-crop-boun...@virtualorchard.net> on behalf of Arthur Kelly <
> kellyorcha...@gmail.com>
> *Sent:* Friday, August 21, 2015 7:36 PM
> *To:* Apple-Crop
> *Subject:* [apple-crop] SWD
>
> If you apply a 3 day PHI spray for SWD will it continue to protect the
> fruit in the packing room or retail stand? I'm thinking of peaches or
> plums and blueberries.
>
> --
> Art Kelly
> Kelly Orchards
> Acton, ME
>
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--
Art Kelly
Kelly Orchards
Acton, ME
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