Descriptors for GRASS:
Category: CHEMICAL
  1. Fiber (FIBER)
    Percent Fiber

  2. Protein (PROTEIN)
    CRUDE PROTEIN AS CALCULATED BY THE NIRS

  3. Tannin (TANNIN)
    Amount of tannins in ppm.

Category: CYTOLOGIC
  1. CHROMOSOME NUMBER (CHROMNUM)
    SOMATIC CHROMOSOME NUMBER

  2. Ploidy Level (PLOIDY)
    Ploidy level as determined by nuclear DNA content

Category: DISEASE
  1. CROWN RUST (CROWNRUST)
    Resistance to crown rust caused by Puccinia coronata
    Code values.

  2. DRESCHERLA (DRESCHERLA)
    Resistance to Drescherla dactylidis
    Code values.

  3. ENDOPHYTE (ENDOPHYTE)
    WHETHER ENDOPHYTES HAVE BEEN FOUND IN THE ACCESSION. THE PERCENT OF SEEDS INFECTED CAN BE VIEWED IN THE OBSERVATION COMMENT FIELD.
    Code values.

  4. Overall Resistance to Disease (DISEASE)
    OVERALL RESISTANCE TO DISEASES
    Code values.

  5. STAGONOSPORA (STAGONO)
    Resistance to Stagonospora arenaria
    Code values.

  6. Stem Rust (STEMRUST)
    Resistance to Stem Rust caused by Puccinia graminis.
    Code values.

Category: GROWTH
  1. Aggressive (AGGRESSIVE)
    Aggressiveness (coded)
    Code values.

  2. FALL REGROWTH VIGOR (FALLVIGOR)
    FALL REGROWTH VIGOR, RECOVERY FROM CLIPPING
    Code values.

  3. FIRST HARVEST REGROWTH (REGROWTH)
    REGROWTH AFTER FIRST HARVEST
    Code values.

  4. Fall Recovery (FALLREC)
    Relative time of fall recovery (coded)
    Code values.

  5. GROWTH HABIT (GROWTHHAB)
    PLANT GROWTH HABIT
    Code values.

  6. GROWTH HABIT (HABIT)
    GROWTH HABIT (WINTER, FACULTATIVE, OR SPRING).
    Code values.

  7. MAXIMUM PLANT HEIGHT (PLANTHGT)
    MAXIMUM PLANT HEIGHT AT MATURITY IN CENTIMETERS

  8. PLANT VIGOR (VIGOR)
    OVERALL PLANT GROWTH AS COMPARED TO OTHER ACCESSIONS IN THE STUDY
    Code values.

  9. Plant Diameter (PLANTDIAM)
    Plant diameter recorded just after June cutting 5 centimeters above the ground measured in centimeters.

  10. Plant Type (PLANTTYPE)
    Plant type (coded)
    Code values.

  11. SEEDLING VIGOR (SDLGVIGOR)
    RELATIVE DEGREE OF SEEDLING VIGOR
    Code values.

  12. SPRING GROWTH (SPRGGROWTH)
    INITIATION OF SPRING GROWTH
    Code values.

  13. Spring Recovery (SPRGRECOV)
    Relative time of spring recovery (coded)
    Code values.

  14. VEGETATIVE SPREAD METHOD (VEGSPRDMET)
    METHOD OF VEGETATIVE SPREAD (EVALUATED DURING
    Code values.

  15. VEGETATIVE SPREAD RATE (VEGSPRDRAT)
    RATE OF VEGETATIVE SPREAD (EVALUATED DURING
    Code values.

Category: MORPHOLOGY
  1. CLUSTER GROUP (CLUSTER)
    THE CLUSTER GROUP THE ACCESSION HAS BEEN ASSIGNED TO.
    Code values.

  2. CROWN DENSITY (CROWNDEN)
    CROWN DENSITY (DATA TAKEN DURING THE FALL OF THE
    Code values.

  3. CROWN DIAMETER (CROWNDIAM)
    CROWN DIAMETER IN CENTIMETERS (DATA TAKEN DURING

  4. FLOWER LENGTH (FLOWERLGTH)
    FLOWER LENGTH IN CENTIMETERS

  5. FLOWER NUMBER (FLOWERNUM)
    FLOWER NUMBER
    Code values.

  6. FLOWERING HABIT (FLOWERHAB)
    FLOWERING HABIT
    Code values.

  7. LEAF COLOR (LEAFCOLOR)
    LEAF COLOR
    Code values.

  8. LEAF DISTRIBUTION (LEAFDIST)
    LEAF DISTRIBUTION
    Code values.

  9. LEAF LENGTH (LEAFLGTH)
    LEAF LENGTH MEASURED IN MILLIMETERS
    Code values.

  10. LEAF NUMBER (LEAFNUM)
    RELATIVE NUMBER OF LEAVES
    Code values.

  11. LEAF ORIENTATION (LEAFORIENT)
    ORIENTATION OF THE LEAF
    Code values.

  12. LEAF SENESCENCE (LEAFSEN)
    LEAF SENESCENCE AT SEED MATURITY
    Code values.

  13. LEAF WIDTH (LEAFWIDTH)
    LEAF WIDTH MEASURED IN MILLIMETERS

  14. Leaf Position (LEAFPOS)
    Leaf position (coded)
    Code values.

  15. Leaf Strength (LEAFSTRGTH)
    Leaf strength (coded)
    Code values.

  16. Leaf Texture (LEAFTEXT)
    Leaf texture (coded)
    Code values.

  17. POLLINATION MODE (POLLINATE)
    MODE OF POLLINATION
    Code values.

  18. Root Type (ROOTTYPE)
    Root type (coded)
    Code values.

  19. SEED RETENTION (SHATTERING) (SEEDRETEN)
    RELATIVE DEGREE OF SEED SHATTERING
    Code values.

  20. Shatter (SHATTER)
    Amount of shattering (coded)
    Code values.

  21. Stem Diameter (STEMDIAM)
    Stem diameter measured on the lowest exposed internode after heading measured in centimeters.

  22. Stem Habit (STEMHABIT)
    Stem growth habit (coded).
    Code values.

  23. Stem Number (STEMNUMBER)
    Stem number (coded)
    Code values.

  24. Stem Strength (STEMSTRGTH)
    Stem strength (coded)
    Code values.

  25. Stem Texture (STEMTEXT)
    Stem texture (coded)
    Code values.

  26. sex (SEX)
    PERCENT DIOECIOUS AND MONOECIOUS FLOWERS
    Code values.

Category: PHENOLOGY
  1. BLOOM DATE (BLOOMDATE)
    JULIAN DATE WHEN 50% OF THE PLANTS IN AN ACCESSION

  2. BLOOM DATE 2 (BLOOMDATE2)
    Bloom date - month and day (MMDD).

  3. FALL DORMANCY DATE (FALLDORM)
    JULIAN DATE OF FALL DORMANCY

  4. Heading Date (HEADDAY)
    Days after January 1 when visible heads are observed on more than 50% of the tillers.

  5. MATURITY (MATURITY)
    MATURITY
    Code values.

  6. Maturity Date (MATDATE)
    Seed maturity date - month and day (MMDD)
    Code values.

Category: PRODUCTION
  1. 100 SEED WEIGHT (SEEDWGT)
    WEIGHT OF 100 SEEDS IN GRAMS

  2. DRY WEIGHT (DRYWEIGHT)
    DRY WEIGHT, GW * CF WHERE = (SAMPLE DRY WEIGHT/SAMPLE WET WEIGHT).

  3. FORAGE QUALITY (FORAGEQUAL)
    IN VITRO DRY MATTER DIGESTIBILITY AS CALCULATED BY THE NIRS

  4. FORAGE YIELD (FORAGEYLD)
    FORAGE YIELD AT FIRST HARVEST MEASURED IN GRAMS PER PLANT GREEN WEIGHT

  5. GREEN WEIGHT (TOTALGW)
    GREEN WEIGHT, TOTAL WEIGHT OF PLANTS HARVESTED / NUMBER OF PLANTS HARVESTED * NUMBER OF PLANTS IN THE PLOT.

  6. LEAF ABUNDANCE (LEAFABUND)
    Leaf abundance evaluated at head stage indicating the relative amount of leaf material comparedto stem.
    Code values.

  7. PERCENT SEED SET (FERTILITY)
    FERTILITY RECORDED AS PERCENT SEED SET
    Code values.

  8. REPRODUCTIVE MODE (REPRODUCT)
    REPRODUCTIVE MODE
    Code values.

  9. SEED DORMANCY 1 (SEEDDORM1)
    PERCENT GERMINATION AT HARVEST

  10. SEED DORMANCY 2 (SEEDDORM2)
    PERCENT GERMINATION ONE YEAR AFTER HARVEST

  11. Seed Yield (SEEDYIELD)
    Grams per plant or grams per meter row

Category: STRESS
  1. ACIDITY TOLERANCE (ACIDITY)
    TOLERANCE TO ACIDITY
    Code values.

  2. ALKALINITY TOLERANCE (ALKALINITY)
    TOLERANCE TO ALKALINITY
    Code values.

  3. Cold Tolerance (COLDTOL)
    Cold tolerance (coded)
    Code values.

  4. DROUGHT TOLERANCE (DROUGHT)
    TOLERANCE TO DROUGHT
    Code values.

  5. HEAVY METAL TOLERANCE (HEAVYMETAL)
    TOLERANCE TO HEAVY METALS
    Code values.

  6. POOR DRAINAGE (POORDRAIN)
    TOLERANCE TO POOR DRAINAGE
    Code values.

  7. SALT TOLERANCE (SALTTOL)
    SALT TOLERANCE
    Code values.

  8. Winter Hardiness (WINTERHARD)
    Winter hardiness based on percent surviving plants

Category: Uncategorized Descriptors
  1. CORE SUBSET (CORE)
    A flag to indicate the accession is part of the core subset
    Code values.