POTATO		Descriptor Site(s): PGRC
------

Contact Dr. Richard Tarn, Potato Research Centre
e (506)452-3260 fax (506)452-3316 tarnr@em.agr.ca

Descriptor: BLACKLEG     obtype: CHAR    CGC: YES

Resistance to Bacterial Blackleg (Erwinia caratovora)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: BNEM     obtype: CHAR    CGC: YES

Resistance to Blackroot Nematode (Diplotheca rhizophila)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: BWILT     obtype: CHAR    CGC: YES

Resistance to Bacterial Wilt (Pseudomonas solanacearum).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 S                     2


Descriptor: CN     obtype: NUMERIC    CGC: YES

Chromosome number of accession (e.g. 24,48,72)

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 48                    1


Descriptor: CORE     obtype: CHAR    CGC: YES

A flag to indicate the accession is part of the core subset

Code          Definition
----          ----------
Y             YES, THE ACCESSION IS PART OF THE CORE SUBSET


Descriptor: CPB     obtype: CHAR    CGC: YES

Resistance to Colorado Potato Beetle

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 M                     1   S                     1


Descriptor: DESC     obtype: CHAR    CGC: YES

Misc. descriptions including subspecies.


Descriptor: EBLIGHT     obtype: CHAR    CGC: YES

Resistance to Early Blight (Macrosporium/Alternaria solani)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: EBN     obtype: NUMERIC    CGC: YES

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

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 2                     1


Descriptor: FLEABEETLE     obtype: CHAR    CGC: YES

Resistance to Flea Beetle.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 M                     1   R                     1


Descriptor: FLOWR     obtype: CHAR    CGC: YES

Degree of flowering capability amoung the species group.

Code          Definition
----          ----------
0             No flowering
1             Least flowering within species group
2             Little flowering
3             Medial flowering
4             High flowering
5             Most flowering within species group

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 5                     2


Descriptor: FROST     obtype: CHAR    CGC: YES

Reaction to frost conditions.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 S                     1


Descriptor: FUSDRYROT     obtype: CHAR    CGC: YES

Resistance to Fusarium Dry Rot (Fusarium spp.)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: FUSWILT     obtype: CHAR    CGC: YES

Resistance to Fusarium wilt (Fusarium spp.).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: GLYCOALK     obtype: CHAR    CGC: YES

Glycoalkaloid content


Descriptor: GPAPHID     obtype: CHAR    CGC: YES

Resistance to Green Peach Aphid (Myzus persicae).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 S                     1


Descriptor: GPCNEM     obtype: CHAR    CGC: YES

Resistance to Golden Potato Cyst Nematode (Heterodera-
Globodera rostochiensis).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: HCNEM     obtype: CHAR    CGC: YES

Resistance to Horsenettle Cyst Nemat. (Globodera virginiae)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: HEAT     obtype: CHAR    CGC: YES

General reaction to heat and drought conditions.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: HEAT2     obtype: NUMERIC    CGC: YES

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.


Descriptor: HEAT3     obtype: NUMERIC    CGC: YES

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.


Descriptor: LBLIGHT     obtype: CHAR    CGC: YES

Resistance to Late Blight (Phytophthora infestans).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: LHOP     obtype: CHAR    CGC: YES

Resistance to Leaf Hopper (Empoasca fabae).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 M                     1   S                     1


Descriptor: MCNEM     obtype: CHAR    CGC: YES

Resistance to Meloidogyne chitwoodi Nematode

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: MHNEM     obtype: CHAR    CGC: YES

Resistance to Meloidogyne hapla Nematode

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: MITES     obtype: CHAR    CGC: YES

Resistance to Mite damage

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: OSNEM     obtype: CHAR    CGC: YES

Resistance to Osbornes Cyst Nemat. (Globodera solanacearum)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PAPHID     obtype: CHAR    CGC: YES

Resistance to Potato Aphid (Macrosiphum euphorbiae).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 M                     1   R                     1


Descriptor: PLRV     obtype: CHAR    CGC: YES

Resistance to Potato Leaf Roll Virus.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 S                     3   VS                    1


Descriptor: POLLEN     obtype: NUMERIC    CGC: YES

2n Pollen Designation


Descriptor: PSHED     obtype: CHAR    CGC: YES

Degree of pollen shed.

Code          Definition
----          ----------
0             No pollen shed
1             Very little shed
2             Little shed
3             Medial shed
4             High shed
5             Very high shed

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 2                     1


Descriptor: PSTAIN     obtype: CHAR    CGC: YES

Percent stainable pollen detected.

Code          Definition
----          ----------
0             0% stained
1             1 - 20% stained
2             21 - 40% stained
3             41 - 60% stained
4             61 - 80% stained
5             81 - 100% stained

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 3                     1


Descriptor: PSTV     obtype: CHAR    CGC: YES

Resistance to Potato Spindle Tuber Viroid

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVA     obtype: CHAR    CGC: YES

Resistance to Potato Virus A.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVB     obtype: CHAR    CGC: YES

Resistance to Potato Virus B

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVC     obtype: CHAR    CGC: YES

Resistance to Potato Virus C

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVF     obtype: CHAR    CGC: YES

Resistance to Potato Virus F

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVG     obtype: CHAR    CGC: YES

Resistance to Potato Virus G

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVM     obtype: CHAR    CGC: YES

Resistance to Potato Virus M

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVS     obtype: CHAR    CGC: YES

Resistance to Potato Virus S

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVX     obtype: CHAR    CGC: YES

Resistance to Potato Virus X.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: PVY     obtype: CHAR    CGC: YES

Resistance to Potato Virus Y.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: RINGROT     obtype: CHAR    CGC: YES

Resistance to Ring Rot (Corynebacterium sepedonicum).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 S                     1


Descriptor: RKNEM     obtype: CHAR    CGC: YES

Resistance to Root Knot Nematode (Meloidogyne spp.).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: RS     obtype: CHAR    CGC: YES

Resistance to Rhizoctonia solani.

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: SCAB     obtype: CHAR    CGC: YES

Resistance to Common Scab (Streptomyces scabies)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: TARNISH     obtype: CHAR    CGC: YES

Resistance to Tarnish Beetle

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: TMV     obtype: CHAR    CGC: YES

Resistance to Tobacco Mosaic Virus

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: TRV     obtype: CHAR    CGC: YES

Resistance to Tobacco Rattle Virus

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: TUBER     obtype: CHAR    CGC: YES

Number of tubers produced.

Code          Definition
----          ----------
0             No tuberization
1             Little tuberization
2             Medial tuberization
3             High tuberization
4             Very high tuberization


Descriptor: VERTWILT     obtype: CHAR    CGC: YES

Resistance to Verticillium wilt (Verticillium spp.).

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 S                     1   VS                    1


Descriptor: VIGOR     obtype: CHAR    CGC: YES

Degree of vine growth and development.

Code          Definition
----          ----------
0             Plant died
1             Lowest vine vigor within species group
2             Low vine vigor within species group
3             Medial vigor within group
4             High vigor within group
5             Highest vigor within group

 Value             Freq.   Value             Freq.   Value             Freq.
 ----------------- -----   ----------------- -----   ----------------- -----
 4                     1   5                     1


Descriptor: WART     obtype: CHAR    CGC: YES

Resistance to Wart (Synchytrium endobioticum)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible


Descriptor: WPCNEM     obtype: CHAR    CGC: YES

Resistance to White-Potato Cyst Nemat.
(Heterodera/Globodera  pallida)

Code          Definition
----          ----------
H             Hypersensitive
I             Immune
M             Medial
R             Resistant
S             Susceptible
T             Tolerant
VR            Very Resistant
VS            Very Susceptible