[vox] [OT] [very off-topic] question for any microbiologists or plant pathologists on the list

[MB]

Henry,

You might try Ernesto at the UDC conservatory.  He seems to have a
unique relationship with the plant world.

	jesandoval at ucdavis.edu

Good luck
Mark


--- Henry House <hajhouse at houseag.com> wrote:

> Are there any microbiologists or plant pathologists on this list? If
> you are
> one, please read on.
> 
> I have some pear trees that have been stricken with fireblight 
> (Erwinia
> amylovora). I do not want any new infections next year, so I am
> planning to
> use antibiotics during the springtime. 
> 
> I am not asking for any recommendations, but I have some purely
> theoretical
> questions.
> 
> - Streptomycin resistance has been reported in Sacramento county. I
> do not
>   think that I have any resistant bacteria yet, but I want to prevent
> them
>   from developing. Would resistance be less likely to develop if I
> were to
>   apply both streptomycin and terramycin at once?
> 
> - Would applying streptomycin to the open wounds on the trees cause
> it to
>   penetrate into the plant's vascular system, where is could affect
> any Erwinia
>   already present?
> 
> - Is there any use to burning the blighted prunings to reduce the
> amount of
>   Erwinia in the local environment? I suspect that there is already
> so much
>   in the soil that taking the prunings out of the orchard would do
> little
>   good.
> 
> -- 
> Henry House
> Please don't send me HTML mail! My mail system will reject it.
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> 
> 

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