the Cornell baking-soda "recipe"

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• To: "rose-list" <r*@eskimo.com>
• Subject: the Cornell baking-soda "recipe"
• From: "* C* W* <m*@usit.net>
• Date: Fri, 29 May 98 12:30:33 -0500
• Resent-Date: Fri, 29 May 1998 12:51:51 -0700 (PDT)
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Hi, listmembers:

I just noticed a post that recommended using three tablespoons of baking 
soda per gallon of water. That may have been a typo; the "recipe" tested 
by Dr. Ken Horst at Cornell is as follows (according to the September 
1992 issue of The American Rose magazine):

3 *teaspoons* (not tablespoons) baking soda
1 gallon water
2.5 tablespoons Sunspray horticultural spray oil

The article cautions "Do not attempt higher concentrations of any of the 
bicarbonate solutions" [that is, either sodium bicarb (baking soda) or 
potassium bicarb] "as they may cause leaf burn."

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Mary C. Weaver
Freelance writer and editor:
magazines, books, newsletters, corporate communications
mcweaver@usit.net
http://www.geocities.com/Athens/1104/

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