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Re: septoria
Septoria was my worst problem on tomatoes when I grew in the NE. I never
figured out a "cure" for it. Maybe someone else has.
It is soil borne and moves with splashing water--drip irrigation helps to
avoid it. So does rotation--this is another one that needs a four-year break
from solanacious crops.
Depending on severity, you might be able to prolong the life of these plants
by picking off all the infected leaves--get them out of the garden. But if
it's really serious, yest, get rid of the plants. Remember to move the
entire plant, plus a bit of the surrounding soil from the garden--I move
plants into plastic bags that I place just beside them so I don't spread
spores any more than totally inevitable.
If you plan on using a plastic enclosure at the end of the season--tunnels
or a home-made hoop house--you have time for a second crop. Watch them
carefully and pick off infected leaves as they occur--the disease spreads
from the bottom.
I just read the grafting post--yes, that works, but it's a lot of work
unless you are making a fair bit from the tomatoes--can't make it work
economically if you're selling at a farmer's market--only if you have a good
restaurant or farmstand market.
Miranda
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