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<pre>The URL was not available. Is the link correct Andrew?
{It worked OK for me, John Attwood, Co-moderator}
Trudy Hollinshead
----- Original Message -----
From: andrew.petherbridge@health.gov.au
To: OliveOil@yahoogroups.com
Cc: OliveOil@yahoogroups.com
Sent: Thursday, October 20, 2005 5:07 PM
Subject: Re: [OliveOil] Ants



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).


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 |
| | |
|---------+------------------------------->

>-------------------------------------------------------------------------------\
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|
|
| To: <OliveOil@yahoogroups.com>
|
| cc:
|
| Subject: Re: [OliveOil] Ants
|

>-------------------------------------------------------------------------------\
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> 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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