Bizarre tomato trouble

[cecilsgarden1958]

I have been getting leaf problems for over a week. I have destroyed several plants already. Maybe an error. I have posted the pics in the disease forum. Please check it out.
http://www.tomatoville.com/showthrea...784#post479784

[Gardeneer]

Did you spray them with anything ?
How/what have you been fertilizing ?
Are those just the lower leaves ?

[cecilsgarden1958]

Originally Posted by Gardeneer

Did you spray them with anything ? YES, fish oil, some calcium spray, Daconil
How/what have you been fertilizing ? Started with Jobes organic w/ bacterium, also used some fish oil
Are those just the lower leaves ? YES

[carolyn137]

Originally Posted by cecilsgarden1958

I have been getting leaf problems for over a week. I have destroyed several plants already. Maybe an error. I have posted the pics in the disease forum. Please check it out.
http://www.tomatoville.com/showthrea...784#post479784

Cecil, my software problem but I can only see pictures that are actually pictures, not otherwise, so others will have to help you out on this one.

Carolyn

[cecilsgarden1958]

Originally Posted by carolyn137

Cecil, my software problem but I can only see pictures that are actually pictures, not otherwise, so others will have to help you out on this one.

Carolyn

Carolyn, these are actual pictures uploads, they should load, but slowly. Anyway, if you messege me your mailing address (p.o. etc) I can send you really clear photos. I had your address once, but misplaced it.

[HydroExplorer]

Looks like a fungus I think.

How is the airflow through your foleage? Are your plants staying wet or leaves touching? Do you have foleage near the ground?

Often when you leave foleage near the base of the tomato plant rain will kick up soil onto your plant. This can cause various diseases. It's a good idea to trim off the lower growth as your plant grows and to thin some of the foleage on your plant to encourage airflow through the plant. It's also a good idea to water the base of the plant and apply foliar sprays in the morning so the sun from the day dries the plant out. Basically, you're trying to avoid trapping fungal spores on the leaves where they can infect the plant.

Sometimes you will get tip burn on leaves as a phosphorus deficiency but I don't think that's it because of the white spots.

Some people battle this sort of problem with a baking soda spray. Others use diluted H2O2. Supposedly the H2O2 method gives more immediate results but if you don't dillute it enough you can kill the plant.

If it was me, I would take 3% hydrogen peroxide and dilute it 20:1. Then I would spray one plant with that and see if anything changes. I would also pull off the worst growth on the plants.

[Gardeneer]

Quote:
Originally Posted by Gardeneer
Did you spray them with anything ? YES, fish oil, some calcium spray, Daconil
How/what have you been fertilizing ? Started with Jobes organic w/ bacterium, also used some fish oil
Are those just the lower leaves ? YES
---------------------------------------------------

Hmm.
I find your spray mixture too complicated. I am sure if the combinatio reacted .

At this pint I will remove thos leaves (dispose off) and spray just w/ Daconile. Nothing else., stop fertilizing, do mulch around the plants >>> then wait and see what happens.

[cecilsgarden1958]

Thanks everyone. Kurt posted a link on the disease forum that identified it as "Cercospora leaf spot". Every picture was a match, even the one with the yellow spots, which I saw on some of the plants I tossed earlier in the week. It was really going to town, so I pulled all the remaining infected plants. Thanks Kurt!


http://nfrec.ifas.ufl.edu/paret/u-sc...leaf_spot.html

[cecilsgarden1958]

I realize that the pics, I posted weren't an exact match to the website, but other leaves were and they were a good match to my disease book.