Descriptors for Arrhenatherum L.:

Category: BIOLOGY
  1. 032 Lodging - resistance (032 LODGING - RESISTANCE )
    Before the first conservation cut.

  2. 038 Winter hardiness (038 WINTER HARDINESS )
    Field resistance.

  3. 040 Drought - resistance (040 DROUGHT - RESISTANCE )


  4. 043 Resistance - Snow mold (Microdochium nivale (FR.) Samuel Hallet) (043 RESISTANCE - SNOW MOLD (MI)


  5. 045 Resistance - Powdery mildew (Erysiphe graminis DC.) (045 RESISTANCE - POWDERY MILDE)


  6. 046 Resistance - Rust (Puccinia sp., Uromyces sp.) (046 RESISTANCE - RUST (PUCCINI)


  7. 047 Resistance - Leaf spot (Drechslera sp., Mastigosporium sp., Heterosporium sp.) (047 RESISTANCE - LEAF SPOT (DR)


Category: CHEMICAL
  1. 066 Organic matter digestibility (066 ORGANIC MATTER DIGESTIBILI)
    At the first cut.

  2. 067 Content of crude protein in dry matter (067 CONTENT OF CRUDE PROTEIN I)
    At the first cut.

Category: MORPHOLOGY
  1. 001 Plant - vegetative growth habit (001 PLANT - VEGETATIVE GROWTH )
    In the autumn of the sowing year. fig.1

  2. 002 Plant - reproductive growth habit (002 PLANT - REPRODUCTIVE GROWT)
    At heading in the 1st year after sowing. fig.1

  3. 007 Stem - length (007 STEM - LENGTH )
    At beginning of flowering in the 1st year after sowing.Length including inflorescence.

  4. 008 Stem - diameter (008 STEM - DIAMETER )
    At beginning of flowering in the 1st year after sowing.

  5. 009 Stem - number of leaves (009 STEM - NUMBER OF LEAVES )
    At beginning of flowering in the 1st year after sowing.

  6. 010 Leaf - width of non reproductive leaves (010 LEAF - WIDTH OF NON REPROD)
    In th autumn of the sowing year.

  7. 011 Leaf - width of flag leaf (011 LEAF - WIDTH OF FLAG LEAF )
    At beginning of flowering in the 1st year after sowing.

  8. 012 Leaf - length of flag leaf (012 LEAF - LENGTH OF FLAG LEAF)
    At beginning of flowering in the 1st year after sowing.

  9. 013 Leaf - width of the second leaf (from the top) (013 LEAF - WIDTH OF THE SECOND)
    At beginning of flowering in the 1st year after sowing.

  10. 014 Leaf - length of the second leaf (from the top) (014 LEAF - LENGTH OF THE SECON)
    At beginning of flowering in the 1st year after sowing.

  11. 015 Leaf - primary colour (015 LEAF - PRIMARY COLOUR )
    Genetic colour, when grass is not under stress. At beginning of flowering at forage and ornamental grasses. At turf grasses spring - summer - autumn.

  12. 016 Leaf - tone of other colour (016 LEAF - TONE OF OTHER COLOU)
    See descriptor no. 16.

  13. 017 Leaf - colour intensity (017 LEAF - COLOUR INTENSITY )
    See descriptor no. 16.

  14. 018 Leaf - pattern (018 LEAF - PATTERN )
    At beginning of flowering at ornamental grasses.

  15. 019 Leaf - change in colour in the autumn (019 LEAF - CHANGE IN COLOUR IN)
    At ornamental grasses.

  16. 020 Inflorescence - length (020 INFLORESCENCE - LENGTH )
    At beginning of flowering in the 1st year after sowing.

  17. 023 Inflorescence - colour (023 INFLORESCENCE - COLOUR )
    At beginning of flowering.

  18. 024 Inflorescence - colour intensity (024 INFLORESCENCE - COLOUR INT)


  19. 028 Spring growth rate (028 SPRING GROWTH RATE )
    Evaluated when the earliest variety has reached 20 cm of sward height. fig.2

  20. 030 Uniformy of time of inflorescence emergence (030 UNIFORMY OF TIME OF INFLOR)


  21. 036 Persistence - at conservation management (036 PERSISTENCE - AT CONSERVAT)
    Living ground cover of sown species. At perennial grasses in the 3rd harvest year.

  22. 037 Persistence - at frequent cutting management (037 PERSISTENCE - AT FREQUENT )
    Living ground cover of sown species. At perennial grasses in the 3rd harvest year.

Category: OTHER
  1. 096 Plant - aesthetic value (096 PLANT - AESTHETIC VALUE )


  2. 097 Plant - ornamental effect (097 PLANT - ORNAMENTAL EFFECT )


  3. 098 Plant - season of main interest (098 PLANT - SEASON OF MAIN INT)


  4. 099 Inflorescence - applicability for drying (099 INFLORESCENCE - APPLICABIL)


Category: PHENOLOGY
  1. 026 Tillering intensity (026 TILLERING INTENSITY )
    In the autumn of the sowing year.

  2. 027 Heading tendency in the sowing year (027 HEADING TENDENCY IN THE SO)


  3. 029 Time of inflorescence emergence (029 TIME OF INFLORESCENCE EMER)
    Number of days from the 1st April. When beginning has been reached at 10% stems in the plot. At single plants - when the tip of 3 inflorescences is just visible. fig.3

  4. 031 Abundance of inflorescence emergence (031 ABUNDANCE OF INFLORESCENCE)
    Estimate of number of flowering stems.m-2 at heading.

  5. 033 Regrowth after cutting - at conservation management (033 REGROWTH AFTER CUTTING - A)
    Based on regrowth bulk 2 weeks after cut.

  6. 034 Regrowth after cutting - at frequent cutting management (034 REGROWTH AFTER CUTTING - A)
    Based on regrowth bulk 1 week after cut.

  7. 035 Aftermath heading (035 AFTERMATH HEADING )


  8. 070 Sward - seedling emergence (070 SWARD - SEEDLING EMERGENCE)
    Number of days after sowing till seedling emergence. fig.4

Category: PRODUCTION
  1. 056 Sward - total DM yield/year (056 SWARD - TOTAL DM YIELD/YEA)


  2. 057 Sward - percentage of the 1st cut DM yield on total yield (057 SWARD - PERCENTAGE OF THE )


  3. 058 Plant - total DM yield/year (058 PLANT - TOTAL DM YIELD/YEA)
    At single plants.

  4. 059 Sward - total DM yield/year (059 SWARD - TOTAL DM YIELD/YEA)


  5. 060 Sward - percentage of the 1st cut DM yield on total yield (060 SWARD - PERCENTAGE OF THE )


  6. 062 Sward - seed maturity (062 SWARD - SEED MATURITY )
    Number of days from the 1st April.

  7. 063 Sward - seed yield (063 SWARD - SEED YIELD )
    At maturity.

  8. 064 Plant - seed yield (064 PLANT - SEED YIELD )
    At maturity. At single plants.

  9. 065 Sward - 1000 seeds weight (TSW) (065 SWARD - 1000 SEEDS WEIGHT )
    TSW - caryopsis according to the descriptor no. 25