[NAFEX] Got Milk?

Stephen Sadler Docshiva at Docshiva.org
Wed Sep 16 12:45:30 EDT 2009

The most common recommendation I've come across is a 10% solution.  I see
many references to research, and I recall a reference from years ago
(pre-web) when I used it for blossom end rot, but I haven't fund studies.
Back in the old days I'd drive to a research library and find studies.  Now
If I can't Google it, I seem to give up.  


I first thought it the Calcium in milk is what helped my tomatoes; but then
read it recommended for many fungi.  A hypothesis seems to be that it may
establish and/or reinforce surface bacteria that are unfriendly to fungi.  I
wonder if it would work synergistically with Serenade?


~ Stephen


From: nafex-bounces at lists.ibiblio.org
[mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of Richard Harrison
Sent: Tuesday, September 15, 2009 10:52 PM
To: North American Fruit Explorers
Subject: Re: [NAFEX] Got Milk?



    Did you spray it "straight" or dilute it? I have some cantaloupes
looking good right now---with fruit larger than softball size. The leaves
are beginning to have some yellow spots and I was considering a fungicide
spray of some kind. Milk sounds very interesting--and cheap, too. It MIGHT
even increase the Ca nutrient content of the plant!


--- On Wed, 9/16/09, Ginda Fisher <list at ginda.us> wrote:

From: Ginda Fisher <list at ginda.us>
Subject: Re: [NAFEX] Got Milk?
To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
Date: Wednesday, September 16, 2009, 12:43 AM

On Sep 15, 2009, at 9:52 PM, Mark Dorogi wrote:

> My wife read on the internet (so it must be true) that milk is  
> effective
> against powdery mildew on cucurbits. . . .
> Any opinions as to milk's effectiveness?
> Mark
> Ann Arbor MI

I've also read that milk is effective against powdery mildew.  I've  
had trouble with powdery mildew on my peonies for a couple of years,  
and on a winterberry (ornamental deciduous holly) last year.  So this  
year I figured, "what have I got to lose", and tried spraying them  
with milk.  I even did a sort of slightly controlled experiment,  
spraying some in the row of peonies and not others.  I only got around  
to doing it once, though.

The results were astonishing.  The mildew stopped, and only started  
growing again quite recently.  All the plants look better than last  
year.  The unsprayed peonies also look better than last year, but  
worse than the sprayed ones.

I wondered if it was just the weather.  (a very damp cool summer.  I'd  
have thought it ideal for a fungus, but perhaps mildew needs warmer  
weather?)  But I've been looking at other peonies in the neighborhood,  
and they seem to be as mildewed as mine were last year.

So I don't know about cucurbits.  But I plan to spray my mildew  
sensitive plants with milk again next year.  Maybe I just got lucky.   
But hey, milk is cheap and safe to use.  What have I got to lose?

eastern MA, zone 6

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