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Re: [NAFEX] Curculio / Surround adhesion question

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  • From: Lee Reich <garden@leereich.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Curculio / Surround adhesion question
  • Date: Mon, 4 Jun 2007 09:48:24 -0400
I sprayed Surround on my apples for about five years, beginning right after petal fall and then every week or two or whenever it rained about an inch. I got good coverage using a gasoline powered Stihl backpack sprayer. In those five years, I harvested almost no apples and would often see curculio scars on the fruits the day after I sprayed!

Lee Reich, PhD

Books by Lee Reich:
The Pruning Book
Weedless Gardening
Uncommon Fruits for Every Garden
A Northeast Gardener's Year

On Jun 4, 2007, at 9:10 AM, Mark Dorogi wrote:

I used Surround for a few years on apples, also using a Solo backpack
sprayer.  

As I recall, the Surround label recommends not using an extra sticker, since
it already has it.  

The main thing is that you really have to spray at least two and perhaps
three, times for your initial coverage.  And I found it helpful to have a
pretty fine spray setting, and keep the pressure high.  If it rains, you've
got to renew the coverage.  

The Surround did seem to work well for curc on my apples, at least the one
year where I was really energetic with spraying.  I found it tough to keep
up with all the spraying.

So now I'm bagging the apples, since I only have 10 trees.  Perhaps that
would work with plums too. 

Thanks for the advice on the raccoons!


Mark




-----Original Message-----
[mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of Del Stubbs
Sent: Monday, June 04, 2007 8:23 AM
To: North American Fruit Explorers
Subject: [NAFEX] Curculio / Surround adhesion question


Last year the curculios were so effective I go zero plums off of 7 trees ( 5
varieties)
that had had  their first fruit set. So I bought a 25# bag of Surround,
followed
directions, using my solo back pack sprayer. After two sprayings the leaves
are quite
white but only a third of the 1/4" to 1/2" plums are even covered - and I of
course
targted them specifically both times. So I tried various concentrations in a
little  hand
spray bottle, spraying directly on the plums - I can watch it bead off.
Obviously the
'berries' have a waxy coating that resists a water based substance. 
All I can think of is to add a surfactant like dish soap, but worry about
burning the
leaves. Anyone found a solution to make Surround actually work?
(BTW, it went flawlessly through my back pack sprayer, I had read of someone
complaining
about clogging - my guess is  that they did not use the coarse filter under
the cap of
their sprayer.)
Del

Del Stubbs  http://www.pinewoodforge.com   zone 3   N. MN



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