Re: [tomato] Late Blight (
Wed, 7 Jul 1999 09:15:34 -0700

If in fact she has Late Blight, it is important to find out which strain.
The "old fashioned" strain of Late Blight can be managed to some extent by
preventative sprays of chlorothalonil. The newer strain is almost completely
untouched by the chemical. Once the disease is noted it is too late to do
anything, and because of the virulence of the disease and its ability to
travel great distances on the wind, the recommendation is to destroy the

I would urge any person with suspected Late Blight to contact their
University Plant Pathologist immediately.


-----Original Message-----
From: Byron <Byron.Bromley@Gsd-Co.Com>
To: <>
Date: Wednesday, July 07, 1999 5:31 AM
Subject: [tomato] Late Blight

>Mary-Anne diagnosed her own plant problem by looking at
>some url's from UC Davis that had photo's showing what the
>diseases looked like.