Ask a Question forum→fighting foliar disease on tomatoes

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Name: rick
Lexington South Carolina 15 mi (Zone 7b)
Work together and learn!!
Mar 29, 2018 3:04 PM CST
I do mulch, all leaves 1 ft. above mulch, concrete wire cages, prune to 4 main shoots, rotate with Daconil & copper 8/10 days.Do you have other suggestions to keep tomatoes healthy.Oh, composted soil high to max nutrients.
Live in South Carolina, max heat 95+s July, August and max humidity.
Interest in foliar sprays but with high humidity do not know if good idea?
Foliar feeding, compost ect..
If you have found something that keeps your tomatoes healthy and productive would like to hear from you.
central South Carolina.
Rick P
Thank you for any shared help or info.
Minnesota (Zone 3b)
Mar 29, 2018 3:24 PM CST
I use Serenade, or Sonata, similar products but about the only thing that has worked to a degree for me, and I have read others say similar things would be to cover the ground with some sort of item that does not allow any nasties in the dirt to splash up or crawl up as the mulch gets wet.
I have used bales of either hay or straw and put them in slices, squares around the whole area where the tomatoes plants are with as few of gaps as possible.
For me it was just more work, and cost, bales are not free but it seemed to reduce air born nasties to a greater degree than without.
I also use/used mulch but heavy rain eventually brings soil born nasties up to the surface.
Frequent treating with Serenade helps greatly.
I generally so not grow tomatoes from seed, but volunteer plants I have seem to be less infested with nasties than those bought from nurseries.
Name: Yardenman
Maryland (Zone 7a)
Mar 30, 2018 2:43 AM CST
I think plastic helps, I think that fungicide and foliar sprays help. But I have to ask if you have been planting your tomatoes in the same spaces more than every 4-5 years?

Rotation also helps.

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