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bloomstalk rot

I have lost a lot of crosses made later in the season because of a rot that 
starts with the fading flower material and then runs down the bloomstalk.  An 
iris friend 90 miles to the north is having the same problem.  I thought it 
could be caused by the "pollen-eating" bugs so I sprayed a fungicide-insecticide 
mix but either didn't help or was too late.  I thing the pollen-eating bugs 
might be cucumber beetles and they are an enormous problem.  I asked the Bug 
Lady on PBS about the problem but didn't get a satisfactory answer.  Anyway maybe 
I have two problems.  Several of the earlier pods that had swelled to great 
size also got this rot problem with the bloomstalk and of course fell off.  I 
do everything to avoid the bloomstalk holding moisture including stripping all 
leaves and branches and this year even resorted to cutting the tops of the 
flower off as the rot seemed to start there, not the case with the matured pods 
however.  Any help is welcome.
Barbara Null
Tyler, TX (rot capital of the world)

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