Red clover

Descriptors
Category: MORPHOLOGY
  1. Number of leaves (Number of leaves) Number of leaves of six weeks old plants
  2. Petiole length (cm) (Petiole length) Length of longest petiole at six weeks (cm)
Category: PHENOLOGY
  1. Days to elongation (Days to elongation) The number of days until stem elongation was observed (internode > 2 cm) after transfer to 23 h photoperiod in a greenhouse set at 16 °C
  2. Proportion flowering plants (Proportion flowering plants) Proportion of flowering plants
Category: STRESS
  1. Freezing tolerance: LT50 (Freezing tolerance: LT50) Freezing tolerance. LT50: the estimated temperature at which 50 % of the plants died. Note that the value of LT50 decreases with increasing freezing tolerance.
  2. Winterhardiness after 3 weeks at -11 Cº (%) (WIN 3w/-11c) Surviving plants after 3 weeks at -11 Cº in %
  3. Winterhardiness after 3 weeks at -9 Cº (%) (WIN 3w/-9c) Surviving plants after 3 weeks at -9 Cº in %
  4. Winterhardiness after 6 weeks at -11 Cº (%) (WIN 6w/-11c) Surviving plants after 6 weeks at -11 Cº in %
  5. Winterhardiness after 6 weeks in -9 Cº (%) (WIN 6w/-9c) Surviving plants after 6 weeks at -9 Cº in %
  6. Winter survival (Winter survival) Proportion of plants surviving the winter from one year to the next.