> The best we have so far is that it was so dry during bloom in most areas
> that even though epiphytic populations of bacteria were tremendous, they
> never got washed into flowers to cause infection. Another possibility is that
> the extremely dry weather suppressed bacterial growth, something not taken
> into account in the models.
The first hypothesis would be my guest.
I don’t think bacteria would be inhibited to grow on stigma in dry weather. But
high epiphytic populations and no infection trigger are not rare.
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