Are there any clues from temperature effects on egg laying? I read that the swd has preference, thus the need for trap location in shade. Do they oviposit daytime or night?
Regards, Dean, Sent from my iPad On Jul 14, 2013, at 6:59 PM, "Peter J. Jentsch" <[email protected]> wrote: > We sampled a range of peach varieties maturing at different dates throughout > the season last year. Although we did see one sample with a single adult SWD > emerge from incubated sound fruit held for two weeks, we didn't see what we > would consider to be economic injury, again the caveat being, 'of sound > fruit'. However, damaged fruit from suture splits, bird pecks, insect damage > from earwigs or Japanese beetle to create openings in the skin are a > different matter. In these cases SWD will infest fruit as do other Drosophlia > sp. A few of our growers thought the fly was causing increased brown rot in > peaches but we didn't find SWD emergence evidence to support the claim. > Certainly that could be the case in late cherry with reduced fungicide use. > We did see late cherry varieties in the lower HV with significant egg laying > injury this year in a site where SWD was captured in low numbers. One > monitored site in Dutchess County in early July suffered 100% ovipositional > injury. A second site in Orange County experienced 70% ovipositional injury > during the first week of July. However, we have yet to rear out adults from > these samples. > > This year in the Hudson Valley, as in most monitored sites throughout the > region, we did capture flies earlier then in 2012, possibly because of the > addition of yeast/sugar combination floating in apple cider vinegar (ACV) or > simply because we were looking more intensely. We'll need to again collect > stone fruit and grape varieties as the season progresses to determine > varietial susceptibility to SWD. No injury was observed in plums, pear or > apple last season but by September you could capture them in any fruit > growing site in the Northeast. Chris Meier even caught flies at the NY, > Canada New England Fruit Workers meeting in a remote wooded location in > Burlington !! > > Peter J. Jentsch > Senior Extension Associate - Entomology > Department of Entomology > Cornell University’s Hudson Valley 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: [email protected] > http://hudsonvf.cce.cornell.edu/bmsb1.html > http://web.entomology.cornell.edu/jentsch/links.html > From: [email protected] > [[email protected]] on behalf of Arthur Kelly > [[email protected]] > Sent: Sunday, July 14, 2013 2:24 PM > To: [email protected]; Apple-crop discussion list > Subject: Re: [apple-crop] Stone fruit trunk painting > > Two growers in this area say they had some damage from SWD on peaches last > year. > > > On Sun, Jul 14, 2013 at 1:53 PM, Jon Clements <[email protected]> wrote: >> I wonder with Spotted Wing Drosophila if we are going to have to be more >> careful letting peaches fully "tree-ripen?" >> >> :-) >> >> >> On Sun, Jul 14, 2013 at 1:47 PM, Arthur Kelly <[email protected]> >> wrote: >>> We are in the mid-80's here Jon. We expect to be in the 90's tomorrow. >>> We are starting blueberry (Duke) harvest tomorrow. We should start peach >>> harvest on the 25th-27th with PF 1, PF 5B and Earlystar with Garnet Beauty >>> to follow. Last year we picked PF 1, PF 5B and Earlystar all on the first >>> day of harvest. We might have been a day or two too late on the PF 1. We >>> try to harvest so you can eat them tomorrow. It can be touchy. >>> Maturities seem to sometimes not be what we expect from catalogues and >>> other literature. >>> >>> Art Kelly >>> >>> >>> On Sun, Jul 14, 2013 at 12:27 PM, Win Cowgill <[email protected]> >>> wrote: >>>> I know of no data on joint compound for lesser or greater peac borer >>>> control. >>>> Win >>>> >>>> Win Cowgill >>>> Editor Horticultural News >>>> Professor and Area Fruit Agent >>>> New Jersey Agricultural Experiment Station >>>> Rutgers Cooperative Extension >>>> PO Box 2900 >>>> 314 State Route 12, Bldg. 2 >>>> Flemington, NJ 08822-2900 >>>> Office 908-788-1339 >>>> Fax- 908-806-4735 >>>> Email: [email protected] >>>> www.horticulturalnews.org/ >>>> www.virtualorchard.net/ >>>> http://virtualorchard.net/njfruitfocus/index.html >>>> www.snyderfarm.rutgers.edu/investigators/cowgill.html >>>> www.appletesters.net >>>> >>>> >>>> >>>> >>>> On Jul 14, 2013, at 11:17 AM, Arthur Kelly <[email protected]> wrote: >>>> >>>>> It seems like past discussions indicated that adding the joint compound >>>>> helped repel borers. What do you think? >>>>> >>>>> Art Kelly >>>>> Kelly Orchards >>>>> Acton, ME >>>>> >>>>> On Sun, Jul 14, 2013 at 10:45 AM, Kurt W. Alstede <[email protected]> >>>>> wrote: >>>>>> Gentlemen: >>>>>> >>>>>> >>>>>> >>>>>> Please find below our top secret recipe. We have never had any adverse >>>>>> effects from exterior paint…in fact we add the fungicide to help protect >>>>>> the tree against wounds and the thiram acts as a rodent repellent. We >>>>>> use the cheapest white exterior paint that we can find and generally >>>>>> spray it on as a white wash with a handgun from the bottom twelve inches >>>>>> of the scaffold limbs to the ground. >>>>>> >>>>>> >>>>>> >>>>>> Hope that this helps. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> PEACH TREE PAINT RECIPE. >>>>>> >>>>>> >>>>>> >>>>>> 1 GAL WHITE EXTERIOR LATEX PAINT >>>>>> >>>>>> 2 GAL WATER. ( 1 PART PAINT X 2 PARTS WATER ) >>>>>> >>>>>> ½ POUND OF THIRAM PER GALLON OF WHITEWASH. >>>>>> >>>>>> 2 TABLESPOONS OF TOPSIN-M PER GALLON OF WHITEWASH. >>>>>> >>>>>> MIX WHITEWASH, AND ADD THIRAM AND TOPSIN-M. STIR THOROUGHLY. >>>>>> >>>>>> APPLY TO THE TREES WITH PAINT BRUSHES OR SPRAY GUN 12 TO 18 INCHES AFTER >>>>>> SCAFFOLDS WITH >>>>>> >>>>>> DAYTIME TEMPERATURES ABOVE 50 DEGREES F. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> Kurt W. Alstede >>>>>> >>>>>> General Manager, >>>>>> >>>>>> Alstede Farms, LLC >>>>>> >>>>>> P.O. Box 278 >>>>>> >>>>>> 84 County Route 513 S. (Old Rt. 24) >>>>>> >>>>>> Chester, New Jersey 07930 >>>>>> >>>>>> United States of America >>>>>> >>>>>> >>>>>> >>>>>> Tel: 908-879-7189 >>>>>> >>>>>> Fax: 908-879-7815 >>>>>> >>>>>> www.alstedefarms.com >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> From: [email protected] >>>>>> [mailto:[email protected]] On Behalf Of Arthur Kelly >>>>>> Sent: Sunday, July 14, 2013 8:46 AM >>>>>> To: Apple-Crop >>>>>> Subject: [apple-crop] Stone fruit trunk painting >>>>>> >>>>>> >>>>>> >>>>>> Does anyone know the recipe for trunk painting including joint compound? >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> apple-crop mailing list >>>>>> [email protected] >>>>>> http://virtualorchard.net/mailman/listinfo/apple-crop >>>>> >>>>> _______________________________________________ >>>>> apple-crop mailing list >>>>> [email protected] >>>>> http://virtualorchard.net/mailman/listinfo/apple-crop >>>> >>>> >>>> _______________________________________________ >>>> apple-crop mailing list >>>> [email protected] >>>> http://virtualorchard.net/mailman/listinfo/apple-crop >>> >>> >>> _______________________________________________ >>> apple-crop mailing list >>> [email protected] >>> http://virtualorchard.net/mailman/listinfo/apple-crop >> >> >> >> -- >> Jon Clements >> aka 'Mr Honeycrisp' >> UMass Cold Spring Orchard >> 393 Sabin St. >> Belchertown, MA 01007 >> 413-478-7219 >> umassfruit.com >> >> _______________________________________________ >> apple-crop mailing list >> [email protected] >> http://virtualorchard.net/mailman/listinfo/apple-crop > > _______________________________________________ > apple-crop mailing list > [email protected] > http://virtualorchard.net/mailman/listinfo/apple-crop
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