Red clover

Descriptors
Category: MORPHOLOGY
  1. Number of leaves (Number of leaves) Number of leaves of six weeks old plants
  2. Petiole length (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.