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nafex - [NAFEX] Curculio / Surround adhesion question

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  • From: Del Stubbs <northernlights2n@yahoo.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: [NAFEX] Curculio / Surround adhesion question
  • Date: Mon, 4 Jun 2007 05:23:28 -0700 (PDT)


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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