[NAFEX] tomato blight

Road's End Farm organic87 at frontiernet.net
Mon Jul 27 08:45:28 EDT 2009

On Jul 27, 2009, at 6:49 AM, Alan Haigh wrote:

> Yup, the media has been abuzz about tainted tomato plants and the 
> blight issue here in the northeast but I doubt any scientific 
> connection exists between the big box plants (seeds?) and the early 
> late blight this year.  There has just been an incredible amount of 
> rain.  I would expect my late blight to be early with 2 straight 
> months of rain in the double digits with inadequate sun between 
> storms.

There has indeed been a great deal of rain. However, no amount of rain 
will produce late blight if the spores aren't present. The disease 
generally takes some time to get this far north; it does travel, but 
not so fast that it's generally present in New York etc. in June and 
early July; that's why it's called "late" blight. It isn't only the 
media going on about tainted plants, it's Cornell and other plant 
disease experts.

> Of course my property has had early blight for well over a decade so 
> I'm pretty sanguine at this point although my neighbor gardener says 
> the latest blight is a new strain

Early blight and late blight are two distinctly different diseases. 
Early blight progresses slowly enough that plants infected with it will 
often successfully produce a crop; it's much less of a problem.

Finger Lakes NY; zone 5 mostly
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