Looks like the article on Rainfast Characteristics of Insecticides on Fruit has been updated today and the older page deleted. Here is the link to the newer page just posted today:

http://msue.anr.msu.edu/news/rainfast_characteristics_of_insecticides_on_fruit

Dennis Norton
IPM Specialist/Certified Nurseryman/IT Specialist
Royal Oak Farm Orchard
15908 Hebron Rd.
Harvard, IL 60033-9357
Office (815) 648-4467
Mobile (815) 228-2174
Fax (609) 228-2174
http://www.royaloakfarmorchard.com
http://www.royaloakfarmorchard.blogspot.com
https://www.facebook.com/royaloakfarmorchard/

On 6/9/2015 7:50 AM, Weinzierl, Richard A wrote:
I see that Peter directed you to John Wise's summaries ... if the link is split 
and incomplete, copy and paste the whole string, and then it works.

I'll offer my perspective ... We got 2.5 inches Sunday night, and it's still 
here this morning, so I'm headed back out to spray my trial trees (including 
the Assail treatment that's a standard) in a few minutes.  I'm acting on the 
premise that there's not enough residue left to provide codling moth control, 
and we have moderate pressure ... and we have potato leafhoppers.

Rick Weinzierl

Professor and Extension Entomologist
IL SARE PDP Coordinator
Department of Crop Sciences, University of Illinois
S-334 Turner Hall, 1102 S. Goodwin Avenue
Urbana, IL 61801
217-244-2126

-----Original Message-----
From: apple-crop-boun...@virtualorchard.net 
[mailto:apple-crop-boun...@virtualorchard.net] On Behalf Of David Doud
Sent: Monday, June 08, 2015 7:58 PM
To: Apple-Crop
Subject: [apple-crop] Assail rainfast?

A four day old application of Assail at 8oz - 1.5" of rain last night followed by 
.5" tonight (along with 1 minute of hail) - would this application retain its 
effectiveness or should I think of it in the same fashion that I would consider an application 
of Imidan under the same situation? - in other words, I'd consider Imidan to be effectively 
gone after 2" of rain but Assail has systemic action that is possibly not as affected by 
rain? I'm mainly worried about codling moth, but it's time for leafhoppers to show up too. I'd 
like to wait a week before the next application - David Doud grower Indiana -


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