Re: CULT: ORGANIC SOLUTIONS/cygon/Iris Borer Deterrent

I bought and tried the Garden Shield borer deterrent last year, and I 
believe it DOES work. About 75% of my iris were attacked by the borer 
in 2001 in one bed. I used Garden Shield and did a fastidious 
cleanup. I would say about 25% of the iris were attacked there in 
2002. Contrast this to another bed which was lightly infested (maybe 
10%) in 2001, where I did not use Garden Shield, but did use 
fastidious cleanup. The rate of infestation went up to about 25-30%. 
Another small bed with no infestation in 2001 was left alone; no 
fastidious cleanup and no Garden Shield. The results were about 75% 
infestation in 2002, similar to the original bed with the same 
treatment (none) in 2001.
Garden Shield is a little on the expensive side; I am not going to 
buy it again, even though there was noticeable improvement. I really 
want an infestation rate alot lower than 25%. I am going to try the 
Merit treatment in the spring, and also
put some moth balls in small vented canisters in the iris beds in the 
fall and see if it deters the moth from finding my iris a desireable 
place to lay its eggs. This way, the vapors will be emitted, and the 
moth balls will not harm the native fauna. I will let you all know if 
there was any success with this regimen.
Laetitia  

--- In iris-talk@y..., birdwoman424@a... wrote:
> In a message dated 8/16/2002 10:53:35 PM Eastern Daylight Time, 
> alhbee@a... writes:
> 
> 
> > Bottom line is which is more reliable. From what I have read the 
> > success rates under "ideal conditions" match that of cygon. The 
key 
> > is ideal conditions.        
> > 
> > Merit is a systemic and I would say that earthworm kill would be 
> > neglible. Cygon on the other hand would kill.
> > 
> > Al Bullock
> > 
> 
> Thank you for your reply. From what I read, the nematodes have to 
be in a 
> moist environment in order to survive -- that doesn't sound like a 
good thing 
> for my irises unless I had an underground irrigation system. I read 
somewhere 
> that Cygon kills birds. Is this true? Just look at my screen name, 
this is 
> the last thing I would want to have happen.
> Has anyone tried or have any feed back on a product called "Iris 
Borer 
> Deterrent by Garden Shield?
> Margie Brown, New York   Zone 7
> 
> 
> [Non-text portions of this message have been removed]


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