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6 Cards in this Set

  • Front
  • Back
temperate perennial plants
perennial plants that are native to the Temperate Climatic Zone
chilling requirement
the number of hours of cold temperatures between 32-45 oF

(0-7 oC) required to overcome rest (physiological dormancy).
flower bud
usually have a shorter chilling requirement
vegetative bud
usually have a longer chilling requirement
cold storage or bulb chilling
a period of cold to satisfy chilling requirement of bulbs to

overcome flower bud rest (physiological dormancy).
usually 6-12 weeks at 35-45 oC (0-7 oC) in a cooler or refrigerator.
moist, cold (32-45 oF, 0-7 oC) storage for 6-12 weeks required to

overcome embryo rest (physiological dormancy).