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  • From: "Bill Shoemaker" <wshoemak AT inil.com>
  • To: "Market Farming" <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] Japanese Beetles and Japanese Plums
  • Date: Fri, 18 Jul 2008 07:02:39 -0500

I had the state entomologist here the other day and asked him about organic controls for japanese beetle. He suggested putting the traps down the road and using Pyganic, an organic pyrethrin spray. The problem is that the spray deteriorates in about 36 hours and there are so many beetles in surrounding areas, they just move in. So you'll have to spray ever 2-3 days until the population of adults subsides, usually about 5 weeks. Shows how imported pests are usually the worst.

Bill Shoemaker, Sr Research Specialist, Food Crops
University of Illinois - St Charles Horticulture Research Center
www.nres.uiuc.edu/faculty/directory/shoemaker_wh.html
----- Original Message ----- From: "David Guthrie" <dguthrie AT egyptian.net>
To: "Market Farming" <market-farming AT lists.ibiblio.org>
Sent: Thursday, July 17, 2008 9:14 PM
Subject: Re: [Market-farming] Japanese Beetles and Japanese Plums


Hi Andy:

. . .get rid of the traps. . .at least that's what the extension guy told
me. . .

we went to a field day at a University of Illinois test plot and one of the
presenters said that japanese beatle traps (with pheremones?) attract your
neighbor's beatle population. . .so if you don't want to increase the
numbers around your place get your neighbor to put in the traps. . .the guy
said a barrel full of beatles over a short time period wasn't unusual . . .
we've got them too. . .so far they just eat my fruit trees and the pin oaks.
. .i'd be interested in organic controls as well !

David Guthrie
Illinois



----- Original Message ----- From: "Andy Fellenz" <fellenz AT fltg.net>
To: "Market Farming" <market-farming AT lists.ibiblio.org>
Sent: Thursday, July 17, 2008 5:17 PM
Subject: [Market-farming] Japanese Beetles and Japanese Plums


Hi,

I'm looking for approved organic controls for Japanese Beetles. I put
in a fair number of traps on the farm perimeter this season which have
been catching lots of beetles, but found beetles in my Japanese Plums
today. I harvested the first variety without any beetle damage, but
when I checked today almost every plum in the first variety which had
been missed - we finished the pick at dusk - had Japanese Beetle
damage. I have two more varieties which still need to ripen and haven't
been attacked yet. Any suggestions for controlling the beetles?


Thanks,

Andy
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