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Mildew/mold

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Marius Hancu - 22 Jan 2004 14:36 GMT
Hello:

Are "mildew" and "mold" distinct from each other (for the
non-biologist:-))?

As per unabridged.merriam-webster:

mildew
-------
1 obsolete : HONEYDEW 1
2 a : a superficial usually whitish growth produced on various forms
of organic matter and on living plants by fungi (as of the families
Erysiphaceae and Peronosporaceae) b : a fungus producing such growth
-- compare DOWNY MILDEW, 5MOLD, POWDERY MILDEW
3 : a discoloration (as on cloth, leather, paper) caused by parasitic
fungi

mold  
----
1 : a superficial often woolly growth produced on various forms of
organic matter especially when damp or decaying and on living
organisms
2 : a fungus especially of the order Mucorales that produces mold --
compare BLACK MOLD, BLUE MOLD, MILDEW  

Thanks,
Marius Hancu
Margot - 22 Jan 2004 16:30 GMT
> Hello:
>
[quoted text clipped - 23 lines]
> Thanks,
> Marius Hancu

There are various types of mould (yes, we spell mould with a 'u' in the
UK!). Mildew is one of them.
Marius Hancu - 22 Jan 2004 18:00 GMT
> > mildew
> > -------
[quoted text clipped - 19 lines]
> There are various types of mould (yes, we spell mould with a 'u' in the
> UK!). Mildew is one of them.

Thank you. I am familiar with the UK spelling too:-)

My remaining question mainly is: how does the ordinary person distinguish
visually between them? I.e., what's the difference in aspect?

Marius Hancu
Margot - 22 Jan 2004 21:51 GMT
>>>mildew
>>>-------
[quoted text clipped - 26 lines]
>
> Marius Hancu

Well, to me mildew is greyish white, and normally found on fabrics or
leather. The blue/green furry mould often found in abandoned coffee mugs
under the beds of teenagers or on unidentified substances lurking at the
back of the fridge is... some other sort of mould ;-)

Margot
Marius Hancu - 22 Jan 2004 21:49 GMT
> Well, to me mildew is greyish white, and normally found on fabrics or
> leather. The blue/green furry mould often found in abandoned coffee mugs
> under the beds of teenagers or on unidentified substances lurking at the
> back of the fridge is... some other sort of mould ;-)

Thank you. This is exactly as far as I intend to go into exploring this:-))

Marius Hancu
Don Phillipson - 22 Jan 2004 16:54 GMT
> Are "mildew" and "mold" distinct from each other (for the
> non-biologist:-))?

Not really -- because we must distinguish two different
modes of speech:
1.  Common or non-specialist usage:  this is likely
to distinguish mildew and mold by their immediate
appearance, and perhaps suggest mildew is one
common variety of mold.
2.  Usage by mycological scientists, who
generally define species and classes by
structural characteristics (some invisible to
the naked eye.)

--
Don Phillipson
Carlsbad Springs (Ottawa, Canada)
 
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