<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>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.

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.

Cheers
Andrew Brown
Mt. Barker
South Australia
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>> 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.
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>Where do you buy Chinese chalk?
Frank

Mike Wilson wrote:
> We are suffering badly from black sooty mould. I know this subjecthas
> 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 noticebut
> 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 scurryingup the
> tree. I put a line of this chalk around the trunk. A little laterno
> sign of ants.

Interesting results. I have had great success using pyrethrum basedsprays
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'thad 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 chalkonto 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 thatmight
> smother the effect. But it needs to be something which would stickthe
> chalk to the trunk. If this works it could be a boon to theindustry.

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 forCanola
Oil!
{now, that's not nice, Mike!!}
Regards,

Mike Wilson
Hunter Valley.






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</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>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 |
| | |
|---------+------------------------------->

>-------------------------------------------------------------------------------\
-----------------------------------------------|
|
|
| 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
**************************************************
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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."
************************************************** ******************************
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>--- In OliveOil@yahoogroups.com, andrew.petherbridge@h... 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).
>
>
> Cheers
>
>
> Andrew
>
>
> (Olive grove in Mt Compass, South Australia)

I just had a look, it is VERY interesting, to say the least. I'd be
very, very, very wary of using this stuff on any fruit trees.
Although, if someone has some, they could always get an analysis done
and try to register it. Might be highly expensive tho'.

The following quote from that site Andrew mentioned is appropriate ...
----------------- quote ----------------------------------------
For instance, three samples of a product labeled "Miraculous
Insecticide Chalk" were analyzed by DPR last month. Two contained the
insecticide deltamethrin; the third contained the insecticide
cypermethrin.

Deltamethrin and cypermethrin are synthetic pyrethroids, a class of
insecticides that act on the nervous system. Overexposure to them can
produce serious health effects, including vomiting, stomach pains,
convulsions, tremors, coma, and death due to respiratory failure.
Serious allergic reactions are also possible.

In addition, analyses of colorful boxes typically used for these
products has found high levels of lead and other heavy metals in the
packaging. This can be a problem if children place a box in their
mouths or handle the boxes and transfer the metal residue to their
mouths.
---------------------- quote --------------------------------------
Not sure of deltamethrin or cypermethrin are registered for uso on
olives (or anything else, for that matter).

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

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<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 |
| | |
|---------+------------------------------->

>-------------------------------------------------------------------------------\
-----------------------------------------------|
|
|
| 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
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**************************************************
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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."

************************************************** ******************************





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[Non-text portions of this message have been removed]
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>It is not ordinary chalk but the packet does not mention the
ingredients. So it would be best to get it analysed by some competent
chemist. The chinese are not known for giving out information on such
things.
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
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> 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."
>
************************************************** ******************************
>
>
>
>
>
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</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>In China!!!
I'm trying to track down the source. Will let you know if I have any
luck. My brother in law bought it in China and passed it on to us as a
household repelant. He does not remember where he got it. But I have
other contacts in China and am trying to enlist their help
Cheers
Andrew Brown
Mt. Barker
South Australia

cfe55 wrote:

> Where do you buy Chinese chalk?
> Frank
>
>
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>john,
I checked the couple of trees on which I had put the "chalk" and after a
few days of showers there is no chalk left. So the effectiveness would
be limited. With the results of your email below it would seem that we
might be back to square one.

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

johnat.sold wrote:

> --- In OliveOil@yahoogroups.com, andrew.petherbridge@h... 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)
>
> I just had a look, it is VERY interesting, to say the least. I'd be
> very, very, very wary of using this stuff on any fruit trees.
> Although, if someone has some, they could always get an analysis done
> and try to register it. Might be highly expensive tho'.
>
> The following quote from that site Andrew mentioned is appropriate ...
> ----------------- quote ----------------------------------------
> For instance, three samples of a product labeled "Miraculous
> Insecticide Chalk" were analyzed by DPR last month. Two contained the
> insecticide deltamethrin; the third contained the insecticide
> cypermethrin.
>
> Deltamethrin and cypermethrin are synthetic pyrethroids, a class of
> insecticides that act on the nervous system. Overexposure to them can
> produce serious health effects, including vomiting, stomach pains,
> convulsions, tremors, coma, and death due to respiratory failure.
> Serious allergic reactions are also possible.
>
> In addition, analyses of colorful boxes typically used for these
> products has found high levels of lead and other heavy metals in the
> packaging. This can be a problem if children place a box in their
> mouths or handle the boxes and transfer the metal residue to their
> mouths.
> ---------------------- quote --------------------------------------
> Not sure of deltamethrin or cypermethrin are registered for uso on
> olives (or anything else, for that matter).
>
> Cheers
> John Attwood
> Tamworth NSW Au
>
>
>
>
>
>
>
> **************************************************
> Post message: OliveOil@yahoogroups.com
> Subscribe: OliveOil-subscribe@yahoogroups.com
> Unsubscribe: OliveOil-unsubscribe@yahoogroups.com
> Moderators: OliveOil-owner@yahoogroups.com
> **************************************************
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>
>
> ------------------------------------------------------------------------
> 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:
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> Service <http://docs.yahoo.com/info/terms/>.
>
>
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>
</pre>
</td></tr></table>

<table border=0 cellpadding=2 cellspacing="0"><tr><td>
<pre>John,
I too tried the link and get a message saying the url does not exist or
the page has been moved.
Could you check again for us.
Cheers
Andrew

johnat.sold wrote:

> --- In OliveOil@yahoogroups.com, andrew.petherbridge@h... 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)
>
> I just had a look, it is VERY interesting, to say the least. I'd be
> very, very, very wary of using this stuff on any fruit trees.
> Although, if someone has some, they could always get an analysis done
> and try to register it. Might be highly expensive tho'.
>
> The following quote from that site Andrew mentioned is appropriate ...
> ----------------- quote ----------------------------------------
> For instance, three samples of a product labeled "Miraculous
> Insecticide Chalk" were analyzed by DPR last month. Two contained the
> insecticide deltamethrin; the third contained the insecticide
> cypermethrin.
>
> Deltamethrin and cypermethrin are synthetic pyrethroids, a class of
> insecticides that act on the nervous system. Overexposure to them can
> produce serious health effects, including vomiting, stomach pains,
> convulsions, tremors, coma, and death due to respiratory failure.
> Serious allergic reactions are also possible.
>
> In addition, analyses of colorful boxes typically used for these
> products has found high levels of lead and other heavy metals in the
> packaging. This can be a problem if children place a box in their
> mouths or handle the boxes and transfer the metal residue to their
> mouths.
> ---------------------- quote --------------------------------------
> Not sure of deltamethrin or cypermethrin are registered for uso on
> olives (or anything else, for that matter).
>
> Cheers
> John Attwood
> Tamworth NSW Au
>
>
>
>
>
>
>
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</pre>
</td></tr></table>