Is this Gray Leaf spot?

kalo93406(8b)June 29, 2013

I bought two pots of Heirloom tomatoes. Each 5" pot had two plants in it. Brandywine yellow and Stupice. I planted all four plants. I noticed on one of the Brandywine yellow plants some leaf problem the day I planted it.. i think it was there from the Nursery. after a week it looked bad and I took it out of the ground and asked the nursery for a replacement. I got a Sweet Baby Girl cherry tomato plant. Now one of the Stupice plants has this problem. the leaves on about 4 branches have these spots. Not the oldest growth though. The two bottom branches don't seem to have the spots. I removed these four branches and have put a photo here of one of the branches leaves. Any advice would be very helpful. Not sure if I should just pull the plant out or not. Maybe is best just to pull it out and hopefully have 3 good plants surviving.. what do you all thing? thank you!

This post was edited by kalo93406 on Sat, Jun 29, 13 at 16:13

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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

A couple of observations. First, never buy a 5" pot with 2 plants in it. No reputable nursery should even sell such a thing unless it was on some throw away table.

Second, I sure hope you separated those plants when planting them and if they didn't tell you to do that then that is another strike against them.

Third, I would think that the plants were probably already infected when you bought them (strike three) except that you mention it isn't on the oldest leaves. Is this on new growth since you got the plant or on leaves that were already there but just not showing symptoms?

Fourth, given all the fungus spores on the smaller leaves in the pic I would bet that yes the entire plant is already infected. If so then personally I would pull and dispose of it rather than going to all the work and expense of trying to save it with fungicides.

So yes, it appears to be gray leaf spot and well advanced IMO. If you want to try to save the other plants and they are not showing symptoms right now then begin an aggressive fungicide spraying program on them ASAP, preferably with Daconil.

This one I would pitch and personally I'd deal with another nursery in the future.

JMO

Dave

    Bookmark   June 30, 2013 at 12:19PM
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kalo93406(8b)

Thanks very much Dave.. I'm not an experienced vegetable gardener, so just trying to get some ideas and confirmation about my thoughts from reading limited info. I will pull that plant.. not worth keeping it. I agree that I think these were probably infected when i got them. I'm so silly that I actually saw some bad leaves on one of the Stupice plants, when I was putting it in the ground. I did separate the two plants from each container. Maybe I contaminated the other variety when planting. I still have three different varieties now, that so far don't show any infection and I will just hope for the best. I will read about Daconil and will find some if I decide to go to the trouble. Thanks very much for replying! R:)

    Bookmark   June 30, 2013 at 1:23PM
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