Re: Re: CULT: leaf spot

Hi Arnold,

May I include your solution in our newsletter?


Char Holte, New Berlin, WI (Near Milwaukee)
----- Original Message ----- 
From: "Arnold Koekkoek" <koekkoek@mtcnet.net>
To: <iris@hort.net>
Sent: Tuesday, April 13, 2004 10:49 AM
Subject: Re: [iris] Re: CULT: leaf spot


>     Dorothy, I believe you have the answer:  it's not the weeds and grass
as
> such but anything that keeps the soil (where the disease is harbored) from
> splashing up on the iris leaves.
>     I did discover a way to deal with the leaf spot problem, at least
> partially.  A few years ago a contributor to this list noted that he had a
> problem with lots of moss growing in his iris beds, including out in full
sun.
> Since I had the same problem, for which ag. extension could suggest no
> solution, I tried the solution given by our friend:  spray the beds with a
> solution of anti-bacterial dish detergent (5 oz.) and water (3 gal.)  Not
only
> did it take care of the moss, BUT I noticed an unexpected fringe benefit:
> little if any bacterial leaf spot or soft rot in the areas where I
sprayed.
> Of course, this would do nothing for fungal leaf spot, but it certainly
made a
> big difference for bacterial leaf spot.   Bill Shear, who was on the
iris-talk
> list then, issued some cautionary advice about potential long-term side
> effects, but I had such a bad moss problem that I used the antibacterial
> detergent spray anyway and have not been sorry.
> Arnold
>
> Arnold & Carol Koekkoek
> 38 7th Street, NE
> Sioux Center, IA 51250
> e-mail  koekkoek@mtcnet.net
>
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