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>have garden years ago
>tomato plants kept dying
>determined it was due to blight, if memory serves
>this year
>getting rid of old defunct compost barrel
>soil inside seems fine, looks good
>repotting a couple of tomato plants, decide to run a test by potting one in pure potting soil and the other in pure compost made with yard soil
>a month or two later the potting soil plant is very tall and healthy looking
>compost plant grew, but is shorter and not as vibrant
>notice some leaves beginning to wither
>yellow spots appearing on non-withered leaves
>stalk is a greenish-brown color
>pic related
Does this look like blight to you guys?
What are the odds that the years-old yard soil which made up a large portion of the compost barrel mix was still contaminated with blight and infected this new plant? The one in potting soil is fine, after all, and they both get the same amount of light/water/etc.
Nothing but grass has grown in that soil for two or three years. How long does that fungus stick around in the soil?
