hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
Gallery of Plants
Tech Blog
Plant Profiles
Mailing Lists
    Search ALL lists
    Search help
    Subscription info
Top Stories
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

Re: CULT: Iris Borer Control

Merit is not just a contact spray.  It is a sytemic insecticide as is Cyfluthrin in another Bayer Advanced Lawn Treatment line.  However it has the same precautions for bees and waterlife.

Paul Archer
Raleigh, NC Zone 8

-----Original Message-----
>From: DWiris@aol.com
>Sent: Mar 16, 2008 10:11 PM
>To: iris@hort.net
>Subject: Re: [iris] CULT: Iris Borer Control
>Contact sprays only kill borers for the few hours they may be on the  outside 
>of the iris leaves. Since they hatch at various times, it is almost  
>impossible to kill borers that way.
>Controlled burning is normally done in the fall. Spring burning could  damage 
>new shoots coming up. We don't use burning because it would destroy our  
>plastic labels. Cleaning up all dried leaves, weeds and other debris in the fall  
>will cut down on the amount of borer eggs left to hatch in the spring.
>Dorothy Willott in Northeast Ohio
>**************It's Tax Time! Get tips, forms, and advice on AOL Money & 
>Finance.      (http://money.aol.com/tax?NCID=aolprf00030000000001)
>To sign-off this list, send email to majordomo@hort.net with the
>message text UNSUBSCRIBE IRIS

To sign-off this list, send email to majordomo@hort.net with the

Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index

 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement