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6 Cards in this Set
- Front
- Back
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temperate perennial plants
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perennial plants that are native to the Temperate Climatic Zone
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chilling requirement
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the number of hours of cold temperatures between 32-45 oF
(0-7 oC) required to overcome rest (physiological dormancy). |
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flower bud
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usually have a shorter chilling requirement
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vegetative bud
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usually have a longer chilling requirement
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cold storage or bulb chilling
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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. |
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stratification
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moist, cold (32-45 oF, 0-7 oC) storage for 6-12 weeks required to
overcome embryo rest (physiological dormancy). |
