Red Mortgage Lifter is the only heirloom I know of that has significant levels of F & V tolerance. I have not yet found a black, white, or green with significant tolerance.

DarJones

I know this is an old thread but thought I would throw my two cents in. I have very bad fusurium wilt in my garden and have managed to grow purple cherokees.

Last year the black/purple Japanese Black Trifele was extremely healthy, while a lot of our tomatoes suffered (Roma type in particular). The foliage stayed rather healthy and they are delicious and good bearers.

A variety called 'Bosu' caught my eye while looking through the SSE yearbook. WI LO M - HAS -1�"-2" round stew tomatoes and plenty of them. Easily filled a grocery bag per picking off 2 plants. Plants proved to be the most "bulletproof" of over 100 varieties observed and had every leaf that they ever had from the beginning when frost finally knocked them down. Not a single sign of late blight or leaf spot when everything else was dying. Never saw that in a non-hybrid before.