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WINTER DORMANCY [1 record]

Record 1 2002-10-10

English

Subject field(s)
  • Plant Biology
CONT

Shorter days and falling temperatures are prompting deciduous trees and shrubs to drop leaves and prepare for winter dormancy. Limit fertilization now, as nitrogen stimulates useless late-season growth and delays dormancy.

OBS

Different plants enter dormancy during different seasons. Many carnivorous plants rest during the cold of winter by forming tightly bound hibernacula or turions---some Drosera, Pinguicula, and Utricularia are notable for this. Others, such as Sarracenia, Darlingtonia, or Dionaea (Venus Flytraps), simply stop growing or die back to a rhizome.

French

Domaine(s)
  • Biologie végétale
CONT

La dormance hivernale des bourgeons, la chute des feuilles, la formation des bulbes et des tubercules, la floraison des plantes, par exemple, relèvent du photopériodisme.

OBS

dormance : Fait, pour un végétal, de cesser une partie de ses activités quand les conditions climatiques sont mauvaises (froid, éclairement insuffisant).

Spanish

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