CLOVER-PERENNIALS

Descriptors
Category: CHEMICAL
  1. BIOCHANIN A (BIOCHANIN A) ISOFLAVONE CONTENT OF BIOCHANIN A (5-7-DIHYDROXY-4'-METHOXYISOFLAVONE) MEASURED IN GRAMS/KG OF DRY MATTER.
  2. CYANOGENESIS (CYANOGENESIS) PERCENT OF PLANTS THAT WERE CYANOGENIC DETERMINED BY THE PICRIC ACID TEST (J. OF AMERICAN SOCIETY OF AGRONOMY 34:199-200).
  3. FORMONONETIN (FORMONONETIN) ISOFLAVONE CONTENT OF FORMONONETIN (7-HYDROXY-4'METHOXYISOFLAVONE) MEASURED IN GRAMS/KG OF DRY MATTER.
  4. ISOFLAVONE CONTENT OF GENISTEI (GENISTEIN) ISOFLAVONE CONTENT OF GENISTEIN (5,7,4'-TRIHYDROXYISOFLAVONE) MEASURED IN GRAMS/KG OF DRY MATTER.
Category: CYTOLOGIC
  1. Chromosome number (CHROMOSOME) Number of chromosomes.
  2. EMBRYOGENIC CALLUS (EMBRYOGENIC CALLUS) THE PERCENT OF PRE-EMBRYOGENIC NODULAR CALLUS
Category: DISEASE
  1. Resistance to Aphanomyces (APHANOMYCES) Resistance to Aphanomyces euteiches. Mean value scored 1.0 (resistant) to 5.0 (susceptible).
  2. Cylindrocladium resistance (CYLINDROCLADUM) Percent resistance to root rot caused by Cylindrocladium crotalariae of uninoculated control.
  3. Mycoleptodiscus (MYCOLEPTODISCUS) Mean disease severity index for Mycoleptodiscus caused by Mycoleptodiscus terrestris - Scored 1.0 (Resistant) to 5.0 (Susceptible).
  4. Northern Anthracnose (NORTHERN ANTHRACNOSE) Resistance to Northern Anthracnose caused by Aureobasidium caulivora - Scored 1.0 (Resistant) to 5.0 (Susceptible).
  5. Powdery Mildew (POWDERY MILDEW) A ratio of the number of plants showing symptoms to the total number of plants in the sample. Format: nn/TT.
  6. Stemphylium leaf spot (STEMPHYLUM LEAF SPOT) Resistance to leaf spot (Stemphylium sarcineforme). (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
Category: GROWTH
  1. Crown width (CROWN WIDTH) Visual estimate of most common crown width. Mean value scored 1.0 (wide) to 9.0 (narrow).
  2. GROWTH HABIT (GROWTH HABIT) GROWTH HABIT (1 = PROSTRATE, 9 = VERY ERECT)
  3. Plant height (PLANT HEIGHT) Plant height in centimeters
  4. PLANT HEIGHT ON MARCH 15 (PLANT HEIGHT MARCH 15) PLANT HEIGHT IN CENTIMETERS TAKEN ON MARCH 15
  5. PLANT TYPE (PLANT TYPE) PLANT TYPE
  6. Plant width (PLANT WIDTH) Plant width in centimeters
  7. Regrowth (REGROWTH) Amount of vegetative growth three weeks after first harvest in second year of growth.
  8. Spring plant size (SPRING PLANT SIZE) Visual estimate of most common plant size in the spring. (1.0 = LARGE, 9.0 = SMALL)
  9. Uniformity (UNIFORMITY) Plant uniformity for growth and development within accession taken at 50% flowering.
  10. Vigor (VIGOR) Plant vigor (coded).
Category: INSECT
  1. ALFALFA WEEVIL (ALFALFA WEEVIL) PERCENT LEAVES DAMAGED BY THE ALFALFA WEEVIL
  2. Leafhopper (LEAF HOPPER) Leafhopper susceptibility (coded) (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
Category: MOLECULAR
  1. Allele Effectiveness (ALLELE EFFECTIVENESS) Effective number of alleles per locus
  2. Allele Number (ALLELE NUMBER) Mean number of alleles per polymorphic locus
  3. Expected Heterozygosity (HETEROZGOSITY) Expected heterozygosity (Nei's 1978 unbiased heterozygosity)
  4. Observed Heterozygosity (HETEROZGOSITY OBSERVED) Observed heterozygosity
  5. Polymorphic Loci (POLYMORPHIC LOCI) Percent of polymorphic loci
Category: MORPHOLOGY
  1. Flower color (FLOWER COLOR) Flower color
  2. Number of heads (HEADS) Number of heads (coded)
  3. Leaf color (LEAF COLOR) Color of leaves (coded)
  4. Leaf Mark (Percent) (LEAF MARK (PERCENT)) Percent of plants with leaf mark at 50% flowering based on 100 flowering plants per entry.
  5. Marking of leaves as defined b (LEAF MARK1) Leaf marking (coded) (0 = NONE, 1.0 = CIRCULAR, 2.0 = V MARKING)
  6. LEAF MARKING (LEAF MARK2) DEGREE OF LEAF MARKING (1.0 = STRONG, 9.0 = NONE)
  7. Leaf size (LEAF SIZE) Leaf size (coded) (1 = LARGEST, 9 = SMALL)
  8. Leafiness (LEAFINESS) Leafiness (coded) (1 = MOST, 9 = FEW)
  9. Nodule size (NODAL SIZE) Size of the nodules measured in mm. Mean value scored 1 (>3mm) to 9 (< 1mm).
  10. NODULATION (NODULATION) AMOUNT AND QUALITY OF NODULATION
  11. Pubescence (PUBESCENCE) Pubescence
  12. Pubescence on the stem (PUBESCENCE 2) Amount of pubescence on the entire stem. Measuement is taken when stem is turgid, mature and fully flowering.
  13. Rhizomatous spread (RHIZOMATOUS SPREAD) Amount of rhizomatous spread measured at the end of the first year. Mean value scored 1 (most) to 9 (least).
  14. SEEDS PER HEAD (SEED PER HEAD) NUMBER OF SEEDS PER HEAD
  15. Seed weight 100 (SEED WEIGHT100) Weight of 100 seeds in grams.
  16. FMC stems (STEM FMC) FMC stems (coded)
  17. Number of stems (STEM NUMBER) Relative number of stems (coded)
  18. STOLON DENSITY (STOLON DENSITY) NUMBER OF STOLONS INTERSECTING AT WITHIN 1 METER
  19. FMC stolons (STOLON FMC) FMC stolons (coded)
  20. Number of stolons (STOLON NUMBER) Number of stolons (coded)
Category: NEMATODE
  1. MELOIDOGYNE ARENARIA EGG (ARENAREGG) RESISTANCE TO MELOIDOGYNE ARENARIA IN THE EGG STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  2. MELOIDOGYNE ARENARIA GALL (ARENARGALL) RESISTANCE TO MELOIDOGYNE ARENARIA IN THE GALL STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  3. GRAMINICOLA EGG (GRAMINICOLA EGG) RESISTANCE TO MELOIDOGYNE GRAMINICOLA IN THE EGG STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  4. GRAMINICOLA GALL (GRAMINICOLA GALL) RESISTANCE TO MELOIDOGYNE GRAMINICOLA IN THE GALL STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  5. MELOIDOGYNE HAPLA EGG (HAPLA EGG) RESISTANCE TO MELOIDOGYNE HAPLA IN THE EGG STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  6. MELOIDOGYNE HAPLA GALL (HAPLA GALL) RESISTANCE TO MELOIDOGYNE HAPLA IN THE GALL STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  7. MELOIDOGYNE INCOGNITA EGG (INCOGNITA EGG) RESISTANCE TO MELOIDOGYNE INCOGNITA IN THE EGG STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  8. MELOIDOGYNE INCOGNITA GALL (INCOGNITA GALL) RESISTANCE TO MELOIDOGYNE INCOGNITA IN THE GALL STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  9. MELOIDOGYNE JAVANICA EGG (JAVANICA EGG) RESISTANCE TO MELOIDOGYNE JAVANICA IN THE EGG STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
  10. MELOIDOGYNE JAVANICA GALL (JAVANICA GALL) RESISTANCE TO MELOIDOGYNE JAVANICA IN THE GALL STAGE (1.0 = RESISTANT, 5.0 = SUSCEPTIBLE)
Category: OTHER
  1. Image/picture1 (IMAGE-1) A picture or image
  2. Image/picture2 (IMAGE-2) A picture or image
  3. Image/picture3 (IMAGE-3) A picture or image
Category: PHENOLOGY
  1. Classification (CLASS) Indicates if accession is a double-cut (medium) type, single-cut (mammoth) type or other type. Descriptor based on data obtained in 2 locations (Southern and Northern US).
  2. Maturity (First Flowers) (DAY FLOWERING) Days after January 1st when first flower appears
  3. Maturity (Half Flowering) (DAY MATURE) Days after January 1st when 50% of the plants are flowering
  4. Days to flowering (DAYS AFTER JUNE 1 TO FLOWERING) Number of days after June 1 to the first flower.
  5. Maturity (Days to Flower) (FLOWERING FROM SEPT15 PLANTING) Number of days to flowering from Sept. 15 planting
  6. Maturity (Time to Mature) (MATURITY (CODED)) Relative time of maturity (coded).
Category: PRODUCTION
  1. Fall recovery (FALL RECOVERY) Fall recovery (coded)
  2. Flower production (FLOWER PRODUCTION) Flower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers).
  3. SEED PRODUCTION (SEED PRODUCTION) SEED PRODUCTION
  4. SEED YIELD (SEED YIELD) SEED YIELD MEASURED IN KG/HA
  5. Spring recovery (SPRING RECOVERY) Spring recovery (coded)
  6. STAND SURVIVAL (STAND SURVIVAL) PERCENT OF STAND SURVIVAL
Category: STRESS
  1. Winter hardiness (WINTER HARDINESS) Winter hardiness (coded)
Category: SUBSET
  1. CORE SUBSET (CORE) A flag to indicate the accession is part of the core subset