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nafex - Re: [NAFEX] Question for the ever wonderful Edwardo...on barrier methods - LOL!!!

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  • From: "Ed Fackler" <efackler@woh.rr.com>
  • To: <fuwafuwausagi@muchomail.com>, "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Question for the ever wonderful Edwardo...on barrier methods - LOL!!!
  • Date: Tue, 6 Jun 2006 18:16:31 -0400

Fluff:

Good to read your rants and observations. Yes, curculio do fly. In
heavy feeding situations they'll feed on any area of the fruit. I saw this
random feeding this spring on an edible crab.

My gut says it depends on curculio populations. If heavy there will
damage.

Sorry, but that is about it.

ed

-----Original Message-----
From: nafex-bounces@lists.ibiblio.org
[mailto:nafex-bounces@lists.ibiblio.org]On Behalf Of fuwa fuwa usagi
Sent: Tuesday, June 06, 2006 6:05 PM
To: nafex@lists.ibiblio.org
Subject: [NAFEX] Question for the ever wonderful Edwardo...on barrier
methods - LOL!!!





Dearest Mr. Fackler:

Can you lend your seasoned opinion to an ignorant savage on the following:

I am trying to determine which orchard pests actually fly in and land on
fruit verses crawl up or fly into a tree and then walk the branches and
stems down the fruit. In truth I have never observed any "pests" doing
their damage, I have only witnessed the after effects of their forays into
my trees.

I am curious if simply a cone shaped barrier that is fairly snug against the
stem of a piece of fruit would serve as an adequate barrier against a pest
like curculio? I noticed about 85% of the damage appears near the stem
which makes me think the darn things simply walk down the branch to the stem
and lay their eggs.

Newspaper wrapping and paper bagging has worked exceptionally well for me in
the past on apples and plastic bagging less so. In reflection I wonder if
this has to do more with how I apply the bags...i.e the ziplock method
simply had more of a gap for the bugs to pass through or if the sunlight
simply made them give off an odor that strongly attracted the pests.

But as others have observed bagging seems futile on plums as they split, rot
etc. So I thought about a cone shaped barrier that basically encases the
plum like a lampshade does a light bulb, only the funnel portion would hug
the stem. My test pilot for this, consist of only I plum, as frost claimed
all but a handful of plums and I tried a few different methods of stopping
plum curculio so this hardly qualifies, but to date my one example has no
curculio damage. Unfortunately it is located at the end of a branch and I
wondered is the scent was simply too diluted with all the other things
growing around it for the pests to hone in on. But then I thought of the
ever wonderful Edwardo and his databank of field experience and thought I
would inquire if a simple barrier method of a cone shaped might have some
merit.

So essentially the question is how many pests fly in and land on fruit
verses walk the branches and stems, and then would the insects be too lazy
to walk the length of the cone and then the reverse side to get to the
fruit.

Curious rabbits want to know.

Your every fluffy friend...


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