[NAFEX] Surround speculation this spring

Scott Williamson ScottW at acespower.com
Thu Jun 19 11:12:10 EDT 2008

I saw some curculio on my peaches a couple of weeks ago which were about
the same size as my plums and apples.  They definitely prefer the plums
and apples to the peaches.  I'm not really sure there was much
difference in leaf coverage, but I didn't really think to look either.

BTW, would you happen to know from looking at you book if I am lucky
enough to have only one generation?

Central Indiana Zone 5b 

-----Original Message-----
From: nafex-bounces at lists.ibiblio.org
[mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of Donna &/or Kieran
Sent: Thursday, June 19, 2008 10:31 AM
To: North American Fruit Explorers
Subject: Re: [NAFEX] Surround speculation this spring

Donna writes:
> I am surprised that you say the main curculio season is over for
> you, I had to look see where you are. Probably a little behind us in
> the season. As I understand it, the infested fruit that is falling
> here now will produce a new crop of adults to go hit the late peaches.
I have never noticed any significant late curculio damage myself, and
would also be curious if others have seen such damage in peaches.  I
may have gotten some and had assumed it was moths without looking too

I went home and looked in my Garden Bug Book, and turns out that there
is a 
dividing line between those who have only one generation of plum
and those a bit further south who have to deal with two generations per 
year.  Scott in Delaware is above it.  Since the line mentioned is over
Virginia, I don't know where I am this side of the mtns, but I can
guess.  I 
ask myself, what is the worst possible answer, and that's it.
    Speculation aside, my experience this year so far is interesting and

possibly useful.  I have an early peach with large propped grafts of a 
couple of AU plums on it.  The peach is early, a seedling of something
blooms a bit too early for here but the mild spring allowed a heavy set
year.  The plums have been ripening for 2 weeks and the peaches are just
getting ripe.  It has been obvious all along that the curculio prefer
plums to the peaches.  I wonder if given a choice in a peach orchard of
Japanese plum tree to work on, if spraying the hell out of the plum
give pretty decent protection to the peaches.  I wonder if you had
really effective but really expensive and organically approved, if it
be affordable to protect the peaches that way.   Or something cheap,
like a 
chicken pen under the plum, and you tapped the plum tree religiously
twice a 
day.  Bored, penned chickens who've already scratched up the ground and 
eaten everything interesting are REALLY fast learners if you offer them
same kind of bug every day.  Curculio may look an awful like a bit of 
debris, but if I can tell the difference, a chicken can too.
    I've thought that the curculio didn't care for the fuzzy skins of
peaches, but I could be wrong.  What if the plums just got going sooner
plumped up faster (they did that) so that made them more tempting?  Or
it was because the plum has better leaf coverage than the peach side of
tree, and they like to be hidden?  If a person were north of the two 
generation line and had really late peaches, the peaches might not get a
of hits anyway if early plums were preferred.  Any comments?

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