Re: White worms in the flower buds

What you are experiencing is iris bud fly larvae - Orthochaeta dissimilis.  
In our field we spray just the buds with the systemic insecticide Cygon when 
the flowers start opening with signs of damage.  If you want a cultural 
solution, talk to Shirley Pope from Gorham, Maine.  She has a method she 
swears by, but I don't remember exactly what it is.  It requires hand-removal 
of all damaged flowers and destruction of every larva.  Marty

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Old school buds here:
http://click.egroups.com/1/4057/5/_/496957/_/960334166/
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