[NAFEX] Curculio / Surround adhesion question
northernlights2n at yahoo.com
Tue Jun 5 08:49:27 EDT 2007
Now that makes sense why one should spray before shuck split. Do these buggers climb - or
If much of their transport is climbing a few wraps of tape with tanglefoot could work
wonders on problem trees - (I have this at the top of my window screen wrap to keep
borers out of apple trees' base - but not on plums) thanks, Del
--- Michael Phillips <michael at herbsandapples.com> wrote:
> Surround does run off a smooth plum readily, but not to worry. The clay
> coverage on the leaves, twigs, and branches of the tree is just as
> important. Curculio does a lot of crawling seeking out the fruit, and in
> those journeys picks up irritating clay particles that make the pest want to
> be somewhere else. In other words, clay on the fruitlets is generally the
> last line of barrier defense. If you try to "stick" the clay with oil or
> some other spreader, you are working against the design of the Surround
> Another relevant factor with Surround is deliberately leaving a tree or two
> unprotected so the bugs have someplace to go to dissipate their reproductive
> urges. This can be a nearby wild tree or a preferred host fruit (like plum
> in Minnesota) being used as a trap tree. This way you can limit how long the
> clay coverage needs to be kept up from 6-8 weeks down to 2-4 weeks. There
> are several strategies for limiting returning populations in and beneath
> those trap trees.
> Michael Phillips
> Lost Nation Orchard
> Heartsong Farm Healing Herbs
> 859 Lost Nation Road
> Groveton, NH 03582
> Message: 8
> Date: Mon, 4 Jun 2007 05:23:28 -0700 (PDT)
> From: Del Stubbs <northernlights2n at yahoo.com>
> Subject: [NAFEX] Curculio / Surround adhesion question
> To: North American Fruit Explorers <nafex at lists.ibiblio.org>
> Message-ID: <835242.53038.qm at web52901.mail.re2.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
> Last year the curculios were so effective I go zero plums off of 7 trees ( 5
> that had had their first fruit set. So I bought a 25# bag of Surround,
> 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
> 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
> about clogging - my guess is that they did not use the coarse filter under
> the cap of
> their sprayer.)
> Del Stubbs http://www.pinewoodforge.com zone 3 N. MN
> nafex mailing list
> nafex at lists.ibiblio.org
> Reproduction of list messages or archives is not allowed.
> This includes distribution on other email lists or reproduction on web sites.
> Permission to reproduce is NEVER granted, so don't claim you have permission!
> **YOU MUST BE SUBSCRIBED TO POST!**
> Posts from email addresses that are not subscribed are discarded.
> No exceptions.
> To subscribe or unsubscribe, go to the bottom of this page (also can be used to change
> other email options):
> File attachments are NOT stripped by this list.
> TAKE STEPS TO PROTECT YOURSELF FROM COMPUTER VIRUSES!
> Please do not send binary files.
> Use plain text ONLY in emails!
> NAFEX web site: http://www.nafex.org/
Del Stubbs http://www.pinewoodforge.com zone 3 N. MN
Be a better Globetrotter. Get better travel answers from someone who knows. Yahoo! Answers - Check it out.
More information about the nafex