North American Fruit Explorers mailing list at ibiblio

[Mauch1@aol.com]

>Could someone please instruct me on the proper method to >clean a sprayer
>that has been used for herbicide?

>It is one of those 4 gallon backpack style models.
My information may be out of date, but back when I initially got my pesticide 
license, the standard for cleaning out any sprayer was a thorough triple 
rinse - water only.  Although I would prefer a 2nd sprayer for herbicide its 
not in my budget, and am a little nervous when going from Roundup back to 
fungi/insecticide, I have never had a noticeable problem.

The only exception I have ever heard to this "rule" was not for a herbicide, 
but for a pesticide approved for grapes that caused extreme phytotoxicity in 
apples of MacIntosh descent.

Chris Mauchline
SE PA, zone 6

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