[Market-farming] Japanese Beetles and Japanese Plums

Bill Shoemaker wshoemak at inil.com
Fri Jul 18 08:02:39 EDT 2008


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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>>
>>
>
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