<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>Andrew,
We public who pay for the government are told that we are not authorised
to enter this link. Can you get us in????
Cheers
Andrew

andrew.petherbridge@health.gov.au wrote:

>
> Hi Andrew,
>
> Chalk - this is a really interesting idea to deal with ants.
>
> Chinese ant chalk? If you haven't done so - suggest it might be worth
> confirming what is in this chalk before you use too much of it?
>
> There is a Chinese ant chalk around that contains neurotoxins.
>
> Is this China chalk just your normal 'teachers' chalk?
>
> This link below might be relevant:
>
>
> (see http://www.cdpr.ca.gov/docs/archives...1998/chalk.htm).
> <http://www.cdpr.ca.gov/docs/archives.../chalk.htm%29.>
>
>
> Cheers
>
>
> Andrew
>
>
> (Olive grove in Mt Compass, South Australia)
>
>
>
>
>
>
>
>
>
>
>
> |---------+------------------------------->
> | | "Mike Wilson" |
> | | <mike.wilson@hunterl|
> | | ink.net.au> |
> | | Sent by: |
> | | OliveOil@yahoogroups|
> | | .com |
> | | |
> | | |
> | | 18/10/2005 08:12 PM |
> | | Please respond to |
> | | OliveOil |
> | | |
> |---------+------------------------------->
>
>
>-------------------------------------------------------------------------------\
-----------------------------------------------|
>
> |
> |
> | To:
> <OliveOil@yahoogroups.com>
> |
> |
> cc:
> |
> | Subject: Re: [OliveOil]
> Ants
> |
>
>
>-------------------------------------------------------------------------------\
-----------------------------------------------|
>
>
>
>
>
> > We are suffering badly from black sooty mould. I know this subject has
> > been discussed before but this may be a new slant on the problem.
> >
> > I have a chalk that was obtained in China for repelling insects. It
> > works great on ants. Initially they don't seem to take much notice but
> > after about 1/2 an hour there is no sign of ants.
> > I tried it on the trunk of a few trees where ants were scurrying up the
> > tree. I put a line of this chalk around the trunk. A little later no
> > sign of ants.
>
> Interesting results. I have had great success using pyrethrum based sprays
> for knocking down ants, and although I cannot see why simple calcium
> carbonate (chalk) would have any effect on ants, some for of chalk that
> contained pyrethrum might be effective. I suspect that Andrew hasn't had
> the
> Chinese chalk analysed (!) for exactly what is the effecive
> ingredient, but
> if it stops the little bu**ers from spreading sooty mould everywhere, I'm
> in!
>
>
> > I would like to develop a spray of some sort to spread the chalk onto a
> > number of trrees to see if it continues to repel the little b"s.
> >
> > Anyone got any ideas. The medium for the liquid would have to be
> > something which did not cover the chalk with a coating as that might
> > smother the effect. But it needs to be something which would stick the
> > chalk to the trunk. If this works it could be a boon to the industry.
>
> Some form of light oil is most likely. The oil should carry the chalk, but
> evaporate in the heat? I knew there had to be a constructive use for
> Canola
> Oil!
> {now, that's not nice, Mike!!}
> Regards,
>
> Mike Wilson
> Hunter Valley.
>
>
>
>
>
>
>
> **************************************************
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>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
************************************************** ******************************
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> may contain confidential or legally privileged information.
>
> If you are not the intended recipient, you are notified that any use
> or dissemination of this communication is strictly prohibited. If you
> receive
> this transmission in error please notify the author
> immediately and delete all copies of this transmission."
>
************************************************** ******************************
>
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>
>
>
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</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>Andrew
Me again. Found it. Go to the site http://www.cdpr.ca.gov/
In the top right hand corner is a search box. enter "chalk". you will go
to a number of articles including the top article " warning issued on
"chalk" pesticide. Danger to Children"

Cheers
Andrew Brown
Mt. Barker
South Australia

andrew.petherbridge@health.gov.au wrote:

>
> Hi Andrew,
>
> Chalk - this is a really interesting idea to deal with ants.
>
> Chinese ant chalk? If you haven't done so - suggest it might be worth
> confirming what is in this chalk before you use too much of it?
>
> There is a Chinese ant chalk around that contains neurotoxins.
>
> Is this China chalk just your normal 'teachers' chalk?
>
> This link below might be relevant:
>
>
> (see http://www.cdpr.ca.gov/docs/archives...1998/chalk.htm).
> <http://www.cdpr.ca.gov/docs/archives.../chalk.htm%29.>
>
>
> Cheers
>
>
> Andrew
>
>
> (Olive grove in Mt Compass, South Australia)
>
>
>
>
>
>
>
>
>
>
>
> |---------+------------------------------->
> | | "Mike Wilson" |
> | | <mike.wilson@hunterl|
> | | ink.net.au> |
> | | Sent by: |
> | | OliveOil@yahoogroups|
> | | .com |
> | | |
> | | |
> | | 18/10/2005 08:12 PM |
> | | Please respond to |
> | | OliveOil |
> | | |
> |---------+------------------------------->
>
>
>-------------------------------------------------------------------------------\
-----------------------------------------------|
>
> |
> |
> | To:
> <OliveOil@yahoogroups.com>
> |
> |
> cc:
> |
> | Subject: Re: [OliveOil]
> Ants
> |
>
>
>-------------------------------------------------------------------------------\
-----------------------------------------------|
>
>
>
>
>
> > We are suffering badly from black sooty mould. I know this subject has
> > been discussed before but this may be a new slant on the problem.
> >
> > I have a chalk that was obtained in China for repelling insects. It
> > works great on ants. Initially they don't seem to take much notice but
> > after about 1/2 an hour there is no sign of ants.
> > I tried it on the trunk of a few trees where ants were scurrying up the
> > tree. I put a line of this chalk around the trunk. A little later no
> > sign of ants.
>
> Interesting results. I have had great success using pyrethrum based sprays
> for knocking down ants, and although I cannot see why simple calcium
> carbonate (chalk) would have any effect on ants, some for of chalk that
> contained pyrethrum might be effective. I suspect that Andrew hasn't had
> the
> Chinese chalk analysed (!) for exactly what is the effecive
> ingredient, but
> if it stops the little bu**ers from spreading sooty mould everywhere, I'm
> in!
>
>
> > I would like to develop a spray of some sort to spread the chalk onto a
> > number of trrees to see if it continues to repel the little b"s.
> >
> > Anyone got any ideas. The medium for the liquid would have to be
> > something which did not cover the chalk with a coating as that might
> > smother the effect. But it needs to be something which would stick the
> > chalk to the trunk. If this works it could be a boon to the industry.
>
> Some form of light oil is most likely. The oil should carry the chalk, but
> evaporate in the heat? I knew there had to be a constructive use for
> Canola
> Oil!
> {now, that's not nice, Mike!!}
> Regards,
>
> Mike Wilson
> Hunter Valley.
>
>
>
>
>
>
>
> **************************************************
> Post message: OliveOil@yahoogroups.com
> Subscribe: OliveOil-subscribe@yahoogroups.com
> Unsubscribe: OliveOil-unsubscribe@yahoogroups.com
> Moderators: OliveOil-owner@yahoogroups.com
> **************************************************
> SPONSOR: http://www.sadoun.com
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
************************************************** ******************************
> "Important: This transmission is intended only for the use of the
> addressee and
> may contain confidential or legally privileged information.
>
> If you are not the intended recipient, you are notified that any use
> or dissemination of this communication is strictly prohibited. If you
> receive
> this transmission in error please notify the author
> immediately and delete all copies of this transmission."
>
************************************************** ******************************
>
>
>
>
>
> **************************************************
> Post message: OliveOil@yahoogroups.com
> Subscribe: OliveOil-subscribe@yahoogroups.com
> Unsubscribe: OliveOil-unsubscribe@yahoogroups.com
> Moderators: OliveOil-owner@yahoogroups.com
> **************************************************
> SPONSOR: http://www.sadoun.com
>
>
> ------------------------------------------------------------------------
> YAHOO! GROUPS LINKS
>
> * Visit your group "OliveOil
> <http://groups.yahoo.com/group/OliveOil>" on the web.
>
> * To unsubscribe from this group, send an email to:
> OliveOil-unsubscribe@yahoogroups.com
> <mailto:OliveOil-unsubscribe@yahoogroups.com?subject=Unsubscribe>
>
> * Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> Service <http://docs.yahoo.com/info/terms/>.
>
>
> ------------------------------------------------------------------------
>
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>> I have another question though. There are some products around, one of
> which is tanglefoot and another is an organic goo from an organic group
> in Queensland. The latter has been found to be effective on some trees
> which were being attacked by the curculio beetle. Usually this is put on
> a tape which is bound around the trunk. Has anyone had experience with
> putting either of these goos directly onto the trunk. Please give us
> experience rather than supposition. The main question is whether it
> would cause the tree to be ringbarked.
>
> Cheers
> Andrew

I bought and used some of the Tanglefoot and other products put out by the
mob in Qld (In can look up the name if anybody is interested) and tried it
last year.

The instructions all relate to citrus and other fruit trees rather than
olives, and all the various products make a point of not putting it directly
onto the trunk. One supplied some brown paper type material to wrap round
the trunk, the other a dense foam like material. The idea is that this stuff
is wrapped tightly around the trunk and the goo is smeared over the
wrapping.

A few problems: one of the products - Tree Guard - melted in temperatures
over about 30C and ran down the trunk, leaving no sticky surface to trap
ants. Another product - Tanglefoot - comes in toothpaste-sized tubes and is
enough for about 4 trees, or Builders/Liquid Nails type tubes and needs to
be applied using one of those squeezer guns. This is good for about 20
trees. The third option, available through Amanda at The Olive Centre, is
Tac-Gel. This is in a 2 litre tub and is pretty much the same as the
Tanglefoot, but a whole lot cheaper. This stuff is really sticky and sticks
to everything. Fingers especially.

The biggest limitation I found is that the bark of the trees isn't smooth,
so there are cracks and crevices that the ants manage to find under the
wrapping. Perhaps a better wrapping material? I used stuff that I bought at
Clark Rubber as floor mats and cut this into strips.
Secondly, bits of rubbish find their way onto the sticky stuff and stop it
being effective. Every time you slash you will be kicking up dust and
clippings and some will stick. Leaves and dust soon clog up the goo.
Thirdly, the ants tend to give up on the tree with the goo and try the next
tree along, so it can spread the infestation if you are not careful.
Finally. if you have a band of foam stuck to the tree, this in itself tends
to ringbark the trees. I took all mine off after summer and every tree had
some degree of damage where the foam was. Nothing fatal, just softer tissue
in a ring around the tree. All have since recovered, but I wonder what would
have happened if I'd left them longer?

Yes it is safe. Yes it is an organic solution. Yes, it is messy and time
consuming to apply. Yes, it probably works in some situations. No, I don't
intend to use it again this season as I don't regard the amount of control
to be worth the amount of time spent. My gut feeling is that it would be
more effective in less humid area where the stickiness might last longer
than in the Hunter, and it should not be relied on as a control in itself,
more one part of an overall strategy.

Regards,

Mike Wilson
Hunter Valley.
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>--- In OliveOil@yahoogroups.com, "Mike Wilson" <mike.wilson@h...> wrote:
> Yes it is safe. Yes it is an organic solution. Yes, it is messy and time
> consuming to apply. Yes, it probably works in some situations. No, I
don't
> intend to use it again this season as I don't regard the amount of
control
> to be worth the amount of time spent. My gut feeling is that it would be
> more effective in less humid area where the stickiness might last longer
> than in the Hunter, and it should not be relied on as a control in
itself,
> more one part of an overall strategy.
>
> Regards,
>
> Mike Wilson
> Hunter Valley.
>
Thanks to Mike, I have his unused supply of Tac-Gel. I will try it out
over the coming autumn/winter and let people know.

I have also used the yellow sticky "tape wrap" that comes from
greenharvest. (Google the name!) It is about 8" wide and very sticky.
It doesn't cause any ringbarking and breaks down after about 6-8
months, so would need to be reapplied.

As Mike says about Tac-Gel ...
Yes - it is organic, Yes - it takes time to apply, Yes - it works, Yes
it is a tad expensive for anyone with more than a couple of trees, and
Yes - it sticks to fingers etc really well!

Downside? - it would work best if the trunk were perfectly smooth, any
bumps give the bu&&ers a way past - but it takes a bit of time for
them to find these.

Cheers
John Attwood
Tamworth NSW Au
</pre>
</td></tr></table>