Descriptors for POTATO:
Category: CHEMICAL
  1. Glycoalkaloid (GLYCOALK)
    Glycoalkaloid content

  1. Chromosome Number (CN)
    Chromosome number of accession (e.g. 24,48,72)
    Observed values.

  2. Crossability Group (EBN)
    Crossability group accession belongs in (e.g. 0,1,2,3,4)
    Observed values.

Category: DISEASE
  1. Bacterial blackleg (BLACKLEG)
    Resistance to Bacterial Blackleg (Erwinia caratovora)
    Code values.

  2. Bacterial wilt (BWILT)
    Resistance to Bacterial Wilt (Pseudomonas solanacearum).
    Code values.

  3. Early blight (EBLIGHT)
    Resistance to Early Blight (Macrosporium/Alternaria solani)
    Code values.

  4. Fusarium dry rot (FUSDRYROT)
    Resistance to Fusarium Dry Rot (Fusarium spp.)
    Code values.

  5. Fusarium wilt (FUSWILT)
    Resistance to Fusarium wilt (Fusarium spp.).
    Code values.

  6. Late blight (LBLIGHT)
    Resistance to Late Blight (Phytophthora infestans).
    Code values.

  7. Leaf roll virus (PLRV)
    Resistance to Potato Leaf Roll Virus.
    Code values.

  8. Potato Virus M (PVM)
    Resistance to Potato Virus M
    Code values.

  9. Potato Virus S (PVS)
    Resistance to Potato Virus S
    Code values.

  10. Potato virus A (PVA)
    Resistance to Potato Virus A.
    Code values.

  11. Potato virus B (PVB)
    Resistance to Potato Virus B
    Code values.

  12. Potato virus C (PVC)
    Resistance to Potato Virus C
    Code values.

  13. Potato virus F (PVF)
    Resistance to Potato Virus F
    Code values.

  14. Potato virus G (PVG)
    Resistance to Potato Virus G
    Code values.

  15. Potato virus X (PVX)
    Resistance to Potato Virus X.
    Code values.

  16. Potato virus Y (PVY)
    Resistance to Potato Virus Y.
    Code values.

  17. Rhizoctonia solani (RS)
    Resistance to Rhizoctonia solani.
    Code values.

  18. Ringrot (RINGROT)
    Resistance to Ring Rot (Corynebacterium sepedonicum).
    Code values.

  19. Scab (SCAB)
    Resistance to Common Scab (Streptomyces scabies)
    Code values.

  20. Spindle tuber virus (PSTV)
    Resistance to Potato Spindle Tuber Viroid
    Code values.

  21. Tobacco mosaic virus (TMV)
    Resistance to Tobacco Mosaic Virus
    Code values.

  22. Tobacco rattle virus (TRV)
    Resistance to Tobacco Rattle Virus
    Code values.

  23. Verticillium wilt (VERTWILT)
    Resistance to Verticillium wilt (Verticillium spp.).
    Code values.

  24. Wart (WART)
    Resistance to Wart (Synchytrium endobioticum)
    Code values.

Category: GROWTH
  1. Vine vigor (VIGOR)
    Degree of vine growth and development.
    Code values.

Category: INSECT
  1. Colorado Potato Beetle (CPB)
    Resistance to Colorado Potato Beetle
    Code values.

  2. Flea beetle (FLEABEETLE)
    Resistance to Flea Beetle.
    Code values.

  3. Green peach aphid (GPAPHID)
    Resistance to Green Peach Aphid (Myzus persicae).
    Code values.

  4. Leaf hopper (LHOP)
    Resistance to Leaf Hopper (Empoasca fabae).
    Code values.

  5. Mites (MITES)
    Resistance to Mite damage
    Code values.

  6. Potato aphid (PAPHID)
    Resistance to Potato Aphid (Macrosiphum euphorbiae).
    Code values.

  7. Tarnish Beetle (TARNISH)
    Resistance to Tarnish Beetle
    Code values.

  1. Amount of flowering (FLOWR)
    Degree of flowering capability amoung the species group.
    Code values.

  2. Pollen (POLLEN)
    2n Pollen Designation

  3. Pollen shed (PSHED)
    Degree of pollen shed.
    Code values.

  4. Stainable polen (PSTAIN)
    Percent stainable pollen detected.
    Code values.

Category: NEMATODE
  1. Blackroot nematode (BNEM)
    Resistance to Blackroot Nematode (Diplotheca rhizophila)
    Code values.

  2. Golden cyst nematode (GPCNEM)
    Resistance to Golden Potato Cyst Nematode (Heterodera- Globodera rostochiensis).
    Code values.

  3. Horsenettle cyst nematode (HCNEM)
    Resistance to Horsenettle Cyst Nemat. (Globodera virginiae)
    Code values.

  4. Meloidogyne Hapla Nematode (MHNEM)
    Resistance to Meloidogyne hapla Nematode
    Code values.

  5. Meloidogyne chitwoodi Nematode (MCNEM)
    Resistance to Meloidogyne chitwoodi Nematode
    Code values.

  6. Osbornes cyst nematode (OSNEM)
    Resistance to Osbornes Cyst Nemat. (Globodera solanacearum)
    Code values.

  7. Root knot nematode (RKNEM)
    Resistance to Root Knot Nematode (Meloidogyne spp.).
    Code values.

  8. White-potato cyst nematode (WPCNEM)
    Resistance to White-Potato Cyst Nemat. (Heterodera/Globodera pallida)
    Code values.

  1. Tubers produced (TUBER)
    Number of tubers produced.
    Code values.

Category: STRESS
  1. Frost (FROST)
    Reaction to frost conditions.
    Code values.

  2. Heat (HEAT)
    General reaction to heat and drought conditions.
    Code values.

  3. Heat Tolerance 2 (HEAT2)
    Heat tolerance percentile based on ratio between hot-house and temperate-house grown replicates. Percentiles between 90-100 have a ratio > 1, 60-90 = .85-1.00, < 60 = < .85.

  4. Heat Tolerance 3 (HEAT3)
    Heat killing percentile based on the time in minutes for tissue death at 50 C. 90-100% = 220-240 minutes, 70-89 = 190-210 min., 50-69 = 150-180 and < 50 = 50-140 min.

Category: Uncategorized Descriptors
    A flag to indicate the accession is part of the core subset
    Code values.

  2. Description (DESC)
    Misc. descriptions including subspecies.