Well the good news is that we're gloriously free from Dogwood borer and round-headed borer. But per union contract we have the Pacific Flathead borer. The main ingredient for the drywall mud is gypsum, but may act as you specified. It's cheap and available everywhere, and much more effective than any insecticide I've tried.
Kevin Hauser Kuffel Creek Apple Nursery Riverside, California On Tue, 06 Mar 2012 11:31:00 -0500, Dave Schmitt <schm...@aesop.rutgers.edu> wrote: > Cornell entomologists are working with a company that has developed a > pheromone for dogwood borer mating disruption. > > http://fruitgrowersnews.com/index.php/magazine/article/new-sex-pheromone-blend-can-control-dogwood-borer > > In some regions other borers such american plum borer can be troublesome > but by and large dogwood borer is the key borer pest in dwarf plantings. > Diluted latex paint was was shown to suppress but not completely control > infestations (see link below). The plaster addition is indeed an > interesting idea. Interesting that EVA is one of the components of > drywall mud. Perlite is also a component and its possible the tiny > shards of glass may physically injure the larvae that must crawl through > it. > > http://web.entomology.cornell.edu/agnello/assets/2006_Borer_barrier_rpt.pdf > > > On 3/6/2012 10:42 AM, Maurice Tougas wrote: >> Interesting observation, would be great to see some University trials. >> Perhaps the silica acts as irritant? Do you still see borers laying eggs >> and larva not surviving? Also, which borers are targets? >> I understand that there is work with pheromone confusion a la peach tee >> borer research going on. >> >> Do you need to repaint every season? >> >> Thanks >> >> Mo tougas >> Tougas Farm >> Northborough, ma >> Sent from my iPhone >> >> On 6 Mar 2012, at 10:09 AM,<kuffelcr...@kuffelcreek.com> wrote: >> >>> I've been using 1/3 paint, 1/3 water, 1/3 all-purpose drywall joint >>> compound; this is still thin enough to brush on, but makes a pretty good >>> crust. I had "Gripper" white primer left over (Home Depot) and have >>> been >>> using it, despite dire warnings about not using exterior paint. If it >>> works again this year, I'm ready to declare victory as we've gotten >>> hammered from borers over the last several years. >>> >>> Kevin Hauser >>> Kuffel Creek Apple Nursery >>> Riverside, California >>> >>> On Tue, 06 Mar 2012 06:08:08 -0600, Randy Steffens Jr >>> <randyjrsteff...@me.com> wrote: >>>> That's interesting - what's his ratio of plaster to paint? >>>> >>>> Randy Steffens >>>> Shepherd's Valley Orchards >>>> Tennessee >>>> On Mar 6, 2012, at 3:54 AM, kuffelcr...@kuffelcreek.com wrote: >>>> >>>>> Add a slug of drywall mud to the mixture and you'll have borers >>>>> covered >>>>> too! This is John Bunker's recipe at Fedco Trees in Maine and was >>>>> effective last year in reducing borer damage here. >>>>> >>>>> Kevn Hauser >>>>> Kuffel Creek Apple Nursery >>>>> Riverside, California >>>>> >>>>> On Tue, 6 Mar 2012 03:48:36 -0600, Nick Lucking >>>>> <n...@cannonvalleyorchard.com> wrote: >>>>>> Randy, >>>>>> >>>>>> I've noticed on mature trees where I had yellow belly sapsucker >>>>>> (woodpecker) damage and I've painted them, the birds do not return to >>>>>> peck. I had quite a bit of vole damage last year where I had painted >>>>>> trunks but no guards. I have started to add hot pepper sauce to the >>>>>> latex paint should the critters make it though the guard. >>>>>> >>>>>> Nick Lucking >>>>>> Cannon Valley Orchard >>>>>> >>>>>> _______________________________________________ >>>>>> apple-crop mailing list >>>>>> apple-crop@virtualorchard.net >>>>>> http://virtualorchard.net/mailman/listinfo/apple-crop >>>>> _______________________________________________ >>>>> apple-crop mailing list >>>>> apple-crop@virtualorchard.net >>>>> http://virtualorchard.net/mailman/listinfo/apple-crop >>>> _______________________________________________ >>>> apple-crop mailing list >>>> apple-crop@virtualorchard.net >>>> http://virtualorchard.net/mailman/listinfo/apple-crop >>> _______________________________________________ >>> apple-crop mailing list >>> apple-crop@virtualorchard.net >>> http://virtualorchard.net/mailman/listinfo/apple-crop >> _______________________________________________ >> apple-crop mailing list >> apple-crop@virtualorchard.net >> http://virtualorchard.net/mailman/listinfo/apple-crop >> _______________________________________________ apple-crop mailing list apple-crop@virtualorchard.net http://virtualorchard.net/mailman/listinfo/apple-crop
