Tomato Disease Resistance List

Tomato Disease Resistance Abbreviations List

Whenever you look at the plant tag or seed packet of tomatoes, you may see a bunch of strange abbreviations. Those abbreviations indicate that the cultivar has been bred for specific disease resistance. Combinations of V, F, and N are the most important to look for, but try to choose cultivars bred for resistance to problems common in your geographical area. To help clarify what these abbreviations stands for, I developed this list:

  • ASC = alternaria stem canker
  • BC = bacterial canker
  • BSK = bacterial speck
  • BST = bacterial spot
  • BW = bacterial wilt
  • C1, C2, etc. = leaf mold
  • CMV = cucumber mosaic virus
  • CR</strong = corky root
  • EB = early blight
  • F1, F2, etc. = fusarium wilt races
  • FCRR = fusarium crown and root rot
  • LB = late blight
  • N = root-knot nematode
  • PM = powdery mildew
  • PVY = potato virus Y
  • Si = silvering
  • St = gray leaf spot
  • TEV = tomato etch virus
  • ToMV = tobacco mosaic virus
  • ToMoV = tobacco mottle virus
  • TW, TSWV = spotted wilt virus
  • TYLC = tomato yellow leaf curl
  • V = verticillium wilt

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