Most of the Italian and Spanish "hanging" tomatoes have alc. Piennolo del Vesuvio is the only one I have that likely carries this gene. It has to be homozygous to give best effect. I can put a Piennolo tomato on the counter and leave it there for a month with little or no change. I've eaten them at 3 months old that were slightly wrinkled from moisture loss, but otherwise tasted like a garden fresh tomato.
I have fresh seed if you would like to trial it. Also, Piennolo is potato leaf which makes most crosses easy to verify.
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