Kelly Cassidy kelly at
Thu Mar 31 16:53:32 EST 1994

(whiteflies in greenhouse)

I hear that white flies are a persistant problem in many, if not most,
greenhouses.  One greenhouse keeper I knew said that leaving the
greenhouse open in good weather seemed to help control them.  He also
sprayed on a regular basis.  Don't know which insecticide he used.

Kelly Cassidy
Washington Cooperative Fish and Wildlife Research Unit
Mail Stop WH-10
University of Washington, Seattle

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