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  #31   Report Post  
Old 21-07-2004, 11:31 PM
jane
 
Posts: n/a
Default Rooting hormones

On Sat, 17 Jul 2004 14:43:38 +0000 (UTC), "Franz Heymann"
wrote:

snip

~ This year, I will root some cuttings using only Benlate as a
~ fungicide, without using hormones.

Franz, where on earth do you still get Benlate?

--
jane

Don't part with your illusions. When they are gone,
you may still exist but you have ceased to live.
Mark Twain

Please remove onmaps from replies, thanks!
  #32   Report Post  
Old 21-07-2004, 11:58 PM
 
Posts: n/a
Default Rooting hormones

On Sat, 17 Jul 2004 13:50:20 +0100, Martin Brown
wrote:

In message ,
writes
On Sat, 17 Jul 2004 09:25:41 +0000 (UTC), "Franz Heymann"
wrote:


"Franz Heymann" wrote in message
...

[snip]

I have just received the latest issue of "Gardening Which". It
contains a fairly detailed report of a reasonably extensive test of
various rooting agents. My general impression is that they are not
really worth bothering with.


"Gardening Which" or rooting hormones? I'm inclined to say both.

The main feature of the rooting hormones in domestic use is actually the
fungicide component rather than the hormone. Some of the chemicals that
do work are not licensed for home use.

My latest thoughts run along the lines that rooting cuttings is
essentially a race between the speed with which the root forming
process takes place, and the demise of the cuting by fungal attack.


Or succumbing to dehydration.

My thoughts are strengthened by considering that the sterile
micropropagation process is able to induce growth from tiny pieces of
plant material, known to be impossible to root by other means, without
the use of rooting hormones.

This year, I will root some cuttings using only Benlate as a
fungicide, without using hormones.


It is worth trying with and without. I have known situations where with
rooting hormone has worked when untreated failed and vice versa.

I cancelled my Which? Subscription a year ago after subscribing for
about 30 years. Mainly because they doubled my subscription charge
paid by direct debit, without informing me first, but also because I
am not sure that their tests can be relied upon.


They are usually not bad in general consumer white goods, but the
specialist magazines tend to do better reviews of photo gear.

I bought a Nikon885
digital camera that Which? recommended. A couple of photos of flowers
demonstrated that the reds are too intense and blues are not intense
enough. The problem cannot be corrected using Photoshop.


You should be able to fix that to some extent using curves on RGB
separations.


I've tried and given up.


This problem
was flagged by a magazine doing independent tests, but not by Which?


Flower colours can be extremely troublesome to photographers. The worst
colours to represent accurately are typically along the magenta to
purple axis. This happens to be where the errors incurred in getting
human flesh tones to look subjectively good tend to accumulate.

It isn't just a problem for digicams either. Most colour films have a
patch of the purple - magenta colour range that is badly rendered too.
If your flower happens to have a tricky colour there is not much you can
do about it.


One alternative would have been not to buy the camera recommended by
Which? :-(((
--
Martin
  #33   Report Post  
Old 22-07-2004, 12:01 AM
Franz Heymann
 
Posts: n/a
Default Rooting hormones


wrote in message
...
On Mon, 19 Jul 2004 04:39:18 +0000 (UTC), "Franz Heymann"
wrote:

"jane" wrote in message
...
On Sat, 17 Jul 2004 14:43:38 +0000 (UTC), "Franz Heymann"
wrote:

snip

~ This year, I will root some cuttings using only Benlate

as a
~ fungicide, without using hormones.

Franz, where on earth do you still get Benlate?


I still have a few leftover sachets from some which I bought a

decade
ago.
When that runs out, I will start using a more up-to-date fungicide.

Franz


You can say that again and again and again and ... :-)


Yes, indeed.
How does one know when a gardening chemical has passed its use-by
date?

Franz


  #34   Report Post  
Old 22-07-2004, 12:01 AM
 
Posts: n/a
Default Rooting hormones

On Tue, 20 Jul 2004 16:37:40 +0000 (UTC), "Franz Heymann"
wrote:


wrote in message
.. .
On Mon, 19 Jul 2004 04:39:18 +0000 (UTC), "Franz Heymann"
wrote:

"jane" wrote in message
...
On Sat, 17 Jul 2004 14:43:38 +0000 (UTC), "Franz Heymann"
wrote:

snip

~ This year, I will root some cuttings using only Benlate

as a
~ fungicide, without using hormones.

Franz, where on earth do you still get Benlate?

I still have a few leftover sachets from some which I bought a

decade
ago.
When that runs out, I will start using a more up-to-date fungicide.

Franz


You can say that again and again and again and ... :-)


Yes, indeed.
How does one know when a gardening chemical has passed its use-by
date?


When it's on a list of banned substances?
--
Martin
  #35   Report Post  
Old 22-07-2004, 12:04 AM
jane
 
Posts: n/a
Default Rooting hormones

On Wed, 21 Jul 2004 10:17:16 +0200, wrote:

~On Wed, 21 Jul 2004 09:05:17 +0100, newsb
~wrote:
~
~In article , Martin Brown
writes
~They are usually not bad in general consumer white goods, but the
~specialist magazines tend to do better reviews of photo gear.
~
~For anyone interested that doesn't already know,
~
http://www.dpreview.com/
~is an excellent place to read up pretty independent reviews and specs of
~digital cameras.
~
~It was this site that flagged the colour problems of the Nikon Coolpix
~885.
~There is little point in Which? carrying out superficial inexpert
~camera tests, when dpreview does the job properly.

dpreview.com is fantastic. I found it last year when looking to update
my ancient Canon S10 and found out loads of things I hadn't realised
about that model let alone the new offerings!

It also told me of up and coming models which I might want to wait
for: I duly waited for two of them, tested them in shops (with my own
CF card so I could take the photos home and look properly!) and found
them both wanting. So I've ended up rather seriously poorer with a
model I hadn't even thought about originally. But then again I had a
really nice camera for a once in a lifetime trip to Japan, in a cheap
place to buy accessories

ob: gardening
I had a great time in Kyoto, wandering about various gardens. There
are hundreds, and the styles vary among several formal styles as well
as informal. The thing that struck me most was the lack of many
colours: in May, you get irises and azaleas (almost always cerise
pink) and greenery. I could go on about this, but had better not given
it's not in the UK ;-)

However, if anyone wants a thread on plants for creating Japanese
gardens here in the UK...


--
jane

Don't part with your illusions. When they are gone,
you may still exist but you have ceased to live.
Mark Twain

Please remove onmaps from replies, thanks!


  #36   Report Post  
Old 22-07-2004, 12:04 AM
 
Posts: n/a
Default Rooting hormones

On Wed, 21 Jul 2004 14:51:12 +0000 (UTC),
(jane) wrote:

On Wed, 21 Jul 2004 10:17:16 +0200,
wrote:

~On Wed, 21 Jul 2004 09:05:17 +0100, newsb
~wrote:
~
~In article , Martin Brown
writes
~They are usually not bad in general consumer white goods, but the
~specialist magazines tend to do better reviews of photo gear.
~
~For anyone interested that doesn't already know,
~
http://www.dpreview.com/
~is an excellent place to read up pretty independent reviews and specs of
~digital cameras.
~
~It was this site that flagged the colour problems of the Nikon Coolpix
~885.
~There is little point in Which? carrying out superficial inexpert
~camera tests, when dpreview does the job properly.

dpreview.com is fantastic. I found it last year when looking to update
my ancient Canon S10 and found out loads of things I hadn't realised
about that model let alone the new offerings!

It also told me of up and coming models which I might want to wait
for: I duly waited for two of them, tested them in shops (with my own
CF card so I could take the photos home and look properly!) and found
them both wanting. So I've ended up rather seriously poorer with a
model I hadn't even thought about originally. But then again I had a
really nice camera for a once in a lifetime trip to Japan, in a cheap
place to buy accessories


So which camera did you buy for taking gardening photos?
--
Martin
  #37   Report Post  
Old 22-07-2004, 12:05 AM
Mike Lyle
 
Posts: n/a
Default Rooting hormones

"Franz Heymann" wrote in message ...
wrote in message
...
On Mon, 19 Jul 2004 04:39:18 +0000 (UTC), "Franz Heymann"
wrote:

"jane" wrote in message
...

[...]
Franz, where on earth do you still get Benlate?

I still have a few leftover sachets from some which I bought a

decade
ago.
When that runs out, I will start using a more up-to-date fungicide.

Franz


You can say that again and again and again and ... :-)


Yes, indeed.
How does one know when a gardening chemical has passed its use-by
date?

Is there such a date with chemicals other than hormones? I'd have
thought that as long as they were kept dry, uncontaminated, and at an
even low temperature most would be stable. Is that a misconception in
the case of modern complex products?

Mike.
  #38   Report Post  
Old 22-07-2004, 12:27 AM
Franz Heymann
 
Posts: n/a
Default Rooting hormones


"Franz Heymann" wrote in message
...

[snip]

I have just received the latest issue of "Gardening Which". It
contains a fairly detailed report of a reasonably extensive test of
various rooting agents. My general impression is that they are not
really worth bothering with.

They tested all the hormone-based agents they could lay their
hands on, as well as a vitamin C preparation. Strangely, they appear
not to have tried salicylic acid. There are those who say that this
chemical, in the form of Aspirin or extract of willow bark, are useful
for promoting rooting. Does any urgler have some quantitative, or
semi-quantitative experience of using this?

My latest thoughts run along the lines that rooting cuttings is
essentially a race between the speed with which the root forming
process takes place, and the demise of the cuting by fungal attack.
My thoughts are strengthened by considering that the sterile
micropropagation process is able to induce growth from tiny pieces of
plant material, known to be impossible to root by other means, without
the use of rooting hormones.

This year, I will root some cuttings using only Benlate as a
fungicide, without using hormones.

Franz



  #39   Report Post  
Old 22-07-2004, 12:27 AM
 
Posts: n/a
Default Rooting hormones

On Sat, 17 Jul 2004 09:25:41 +0000 (UTC), "Franz Heymann"
wrote:


"Franz Heymann" wrote in message
...

[snip]

I have just received the latest issue of "Gardening Which". It
contains a fairly detailed report of a reasonably extensive test of
various rooting agents. My general impression is that they are not
really worth bothering with.

They tested all the hormone-based agents they could lay their
hands on, as well as a vitamin C preparation. Strangely, they appear
not to have tried salicylic acid. There are those who say that this
chemical, in the form of Aspirin or extract of willow bark, are useful
for promoting rooting. Does any urgler have some quantitative, or
semi-quantitative experience of using this?

My latest thoughts run along the lines that rooting cuttings is
essentially a race between the speed with which the root forming
process takes place, and the demise of the cuting by fungal attack.
My thoughts are strengthened by considering that the sterile
micropropagation process is able to induce growth from tiny pieces of
plant material, known to be impossible to root by other means, without
the use of rooting hormones.

This year, I will root some cuttings using only Benlate as a
fungicide, without using hormones.


I cancelled my Which? Subscription a year ago after subscribing for
about 30 years. Mainly because they doubled my subscription charge
paid by direct debit, without informing me first, but also because I
am not sure that their tests can be relied upon. I bought a Nikon885
digital camera that Which? recommended. A couple of photos of flowers
demonstrated that the reds are too intense and blues are not intense
enough. The problem cannot be corrected using Photoshop. This problem
was flagged by a magazine doing independent tests, but not by Which?
--
Martin
  #40   Report Post  
Old 22-07-2004, 12:42 AM
Martin Brown
 
Posts: n/a
Default Rooting hormones

In message ,
writes
On Sat, 17 Jul 2004 09:25:41 +0000 (UTC), "Franz Heymann"
wrote:


"Franz Heymann" wrote in message
...

[snip]

I have just received the latest issue of "Gardening Which". It
contains a fairly detailed report of a reasonably extensive test of
various rooting agents. My general impression is that they are not
really worth bothering with.


"Gardening Which" or rooting hormones? I'm inclined to say both.

The main feature of the rooting hormones in domestic use is actually the
fungicide component rather than the hormone. Some of the chemicals that
do work are not licensed for home use.

My latest thoughts run along the lines that rooting cuttings is
essentially a race between the speed with which the root forming
process takes place, and the demise of the cuting by fungal attack.


Or succumbing to dehydration.

My thoughts are strengthened by considering that the sterile
micropropagation process is able to induce growth from tiny pieces of
plant material, known to be impossible to root by other means, without
the use of rooting hormones.

This year, I will root some cuttings using only Benlate as a
fungicide, without using hormones.


It is worth trying with and without. I have known situations where with
rooting hormone has worked when untreated failed and vice versa.

I cancelled my Which? Subscription a year ago after subscribing for
about 30 years. Mainly because they doubled my subscription charge
paid by direct debit, without informing me first, but also because I
am not sure that their tests can be relied upon.


They are usually not bad in general consumer white goods, but the
specialist magazines tend to do better reviews of photo gear.

I bought a Nikon885
digital camera that Which? recommended. A couple of photos of flowers
demonstrated that the reds are too intense and blues are not intense
enough. The problem cannot be corrected using Photoshop.


You should be able to fix that to some extent using curves on RGB
separations.

This problem
was flagged by a magazine doing independent tests, but not by Which?


Flower colours can be extremely troublesome to photographers. The worst
colours to represent accurately are typically along the magenta to
purple axis. This happens to be where the errors incurred in getting
human flesh tones to look subjectively good tend to accumulate.

It isn't just a problem for digicams either. Most colour films have a
patch of the purple - magenta colour range that is badly rendered too.
If your flower happens to have a tricky colour there is not much you can
do about it.

Regards,
--
Martin Brown


  #41   Report Post  
Old 22-07-2004, 12:44 AM
jane
 
Posts: n/a
Default Rooting hormones

On Sat, 17 Jul 2004 14:43:38 +0000 (UTC), "Franz Heymann"
wrote:

snip

~ This year, I will root some cuttings using only Benlate as a
~ fungicide, without using hormones.

Franz, where on earth do you still get Benlate?

--
jane

Don't part with your illusions. When they are gone,
you may still exist but you have ceased to live.
Mark Twain

Please remove onmaps from replies, thanks!
  #42   Report Post  
Old 22-07-2004, 06:16 AM
Franz Heymann
 
Posts: n/a
Default Rooting hormones


"Mike Lyle" wrote in message
om...
"Franz Heymann" wrote in message

...
wrote in message
...
On Mon, 19 Jul 2004 04:39:18 +0000 (UTC), "Franz Heymann"
wrote:

"jane" wrote in message
...

[...]
Franz, where on earth do you still get Benlate?

I still have a few leftover sachets from some which I bought a

decade
ago.
When that runs out, I will start using a more up-to-date

fungicide.

Franz

You can say that again and again and again and ... :-)


Yes, indeed.
How does one know when a gardening chemical has passed its use-by
date?

Is there such a date with chemicals other than hormones? I'd have
thought that as long as they were kept dry, uncontaminated, and at

an
even low temperature most would be stable. Is that a misconception

in
the case of modern complex products?


Many of the complex organic molecules are not as stable as one might
wish for. Today I went to see my doctor about a fungicide for my
ears. He gave me a prescription with strict instructions not to use
it any more by the time it was 2 months old.

Franz


  #43   Report Post  
Old 22-07-2004, 08:07 AM
Franz Heymann
 
Posts: n/a
Default Rooting hormones


"Franz Heymann" wrote in message
...

[snip]

I have just received the latest issue of "Gardening Which". It
contains a fairly detailed report of a reasonably extensive test of
various rooting agents. My general impression is that they are not
really worth bothering with.

They tested all the hormone-based agents they could lay their
hands on, as well as a vitamin C preparation. Strangely, they appear
not to have tried salicylic acid. There are those who say that this
chemical, in the form of Aspirin or extract of willow bark, are useful
for promoting rooting. Does any urgler have some quantitative, or
semi-quantitative experience of using this?

My latest thoughts run along the lines that rooting cuttings is
essentially a race between the speed with which the root forming
process takes place, and the demise of the cuting by fungal attack.
My thoughts are strengthened by considering that the sterile
micropropagation process is able to induce growth from tiny pieces of
plant material, known to be impossible to root by other means, without
the use of rooting hormones.

This year, I will root some cuttings using only Benlate as a
fungicide, without using hormones.

Franz



  #44   Report Post  
Old 22-07-2004, 08:07 AM
jane
 
Posts: n/a
Default Rooting hormones

On Sat, 17 Jul 2004 14:43:38 +0000 (UTC), "Franz Heymann"
wrote:

snip

~ This year, I will root some cuttings using only Benlate as a
~ fungicide, without using hormones.

Franz, where on earth do you still get Benlate?

--
jane

Don't part with your illusions. When they are gone,
you may still exist but you have ceased to live.
Mark Twain

Please remove onmaps from replies, thanks!
  #45   Report Post  
Old 22-07-2004, 08:07 AM
Douglas
 
Posts: n/a
Default Rooting hormones


"Franz Heymann" wrote in message
...

"Franz Heymann" wrote in message
...

[snip]

I have just received the latest issue of "Gardening Which". It
contains a fairly detailed report of a reasonably extensive test of
various rooting agents. My general impression is that they are not
really worth bothering with.

They tested all the hormone-based agents they could lay their
hands on, as well as a vitamin C preparation. Strangely, they appear
not to have tried salicylic acid. There are those who say that this
chemical, in the form of Aspirin or extract of willow bark, are useful
for promoting rooting. Does any urgler have some quantitative, or
semi-quantitative experience of using this?

My latest thoughts run along the lines that rooting cuttings is
essentially a race between the speed with which the root forming
process takes place, and the demise of the cuting by fungal attack.
My thoughts are strengthened by considering that the sterile
micropropagation process is able to induce growth from tiny pieces of
plant material, known to be impossible to root by other means, without
the use of rooting hormones.

This year, I will root some cuttings using only Benlate as a
fungicide, without using hormones.

Franz


********
Will someone with the knowledge please discuss the situation where one sets
the cutting aside for a while to allow the cut-wound at the bottom of the
cutting (just under the node) to form a dry callus.
I have the feeling that a "woody type!" cutting would be appropriate but a
soft pappy cutting would be a non-starter, - not able to form a callus..
Doug.
********


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