Re: powdery mildew on crepe myrtle

It does, Auralie and I'm very glad to see you testify.  I need to try
this.  Hope we can hold that thought until next season:-)

Marge Talt, zone 7 Maryland
mtalt@hort.net
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----------
> From: Aplfgcnys@aol.com
> 
> Marge, if personal experience is what impresses you most, I'll add
mine with
> milk.  I have numerous miniature roses planted in containers around
my
> breezeway and beside the driveway.  Each week when we shop, we get
> a gallon of milk, but usually have about a quarter of it left by
the next 
> week.  We fill the container of leftover milk with water - this
will be 
> roughly
> a 1 to 4 ratio - maybe 1 to 5.  We just pour the watered-down
solution over
> the roses.  Haven't had a speck of mildew or black spot since we
began
> to do this several years ago.  Slugs are about the only problem we
have
> with the roses.  
> Auralie
> 
> In a message dated 10/12/2005 12:49:42 AM Eastern Daylight Time, 
> mtalt@hort.net writes:
> "Milk's fungicidal powers were discovered by Wagner Bettiol of the
> environmental laboratory of Embrapa, the Brazilian Agricultural
> Research Corporation, n Jaguariuna, north of Sao Paulo. Bettiol,
who
> was looking for cheap ways to control plant pests, observed that
> byproducts from milk-processing factories killed powdery mildew on
> courgettes. So he decided to simply spray fresh milk on the plants
to
> see if it had the same effect. To his surprise, he found that it
did.
> In fact, spraying heavily infected plants twice a week with a
mixture
> of one part cow's milk to nine parts water was at least as good at
> stopping mildew as the chemical fungicides fenarimol and benomyl,
> Bettiol discovered."
> 
> another saved post:
> 
> Some people have compared different dilutions and found that
> the 1:9 often necessitated a second or third treatment, but the 1:3
> or 1:4
> took care of the fungus first time around.  
> 
>
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