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RE: Southern Blight Control

Hi Beth,

Heritage is expensive @ $375 per pound and is a powder. It is only 50%
active ingredient which makes the cost $750 per pound of active ingredient.

Quadris on the other hand is a liquid which sells for $220.00 for one
gallon. This gallon contains 2.08 pounds of active ingredient which makes it
cost $105.76 per pound of active ingredient.

Big difference in cost.

Hopefully soon if it's not already there will be a product with this same
active ingredient available to the general public. It is very non-toxic. It
is not legal to divide and sell restricted use pesticides so I would count
that option out. You may be able to hire a friend with a pesticide license
to apply it for you. This is your best option. What I applied in my garden
was 8 ounces of Quadris mixed with 200 gallons of water for a total cost of
$13.75 (not counting sprayer wear and tear). I treated every hosta in my
garden and gave special attention to hostas I have flagged over the years as
having gone down to southern blight.

Both of these products are easily mixed with the right equipment. Constant
agitation is required to keep the suspended solids suspended so most home
sprayers would need to be shaken every so often. The system I use pumps at 4
gallons per minute which is close to what most home spigots deliver so you
can see this is larger than what any hand pumped sprayer will deliver.

I'll keep you posted,

Dan Nelson

-----Original Message-----
From: owner-hosta-open@mallorn.com
[mailto:owner-hosta-open@mallorn.com]On Behalf Of Beth Arnold
Sent: Thursday, July 20, 2000 3:13 PM
To: hosta-open@mallorn.com
Subject: Re: Southern Blight Control

Dan, I checked with our outlets here and was unable to find the product in
amounts that are available and affordable to the home gardener.  A pound was
selling at $375 and I do not know if that included any shipping or tax.

Tell me more about the product.  If that amount were purchased, I understand
it is a powder, could it be sold say in 1 ounce allotments.  If so, how
mixable is it?  Would it, as a powder mix in a home size sprayer or would
constant agitation be required?  Is another product needed to keep it
suspended in the water?  I am surely interested and need to know more about
its use as a home gardener.
Beth Arnold
Peoria Illinois  Zone 5

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