Thanks to everyone for the input.
On Sat, Aug 22, 2015 at 9:17 AM, Peter J. Jentsch <p...@cornell.edu> wrote:
> 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.
> 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
> *From:* apple-crop-boun...@virtualorchard.net <
> apple-crop-boun...@virtualorchard.net> on behalf of Arthur Kelly <
> *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
> apple-crop mailing list
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