TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SUBSTRAT GERMINATION [2 records]

Record 1 2022-03-31

English

Subject field(s)
  • Silviculture
  • Nurseries (Farming)
  • Planting Techniques (Farming)
OBS

Seed dormancy is a term used to signify the failure of viable seeds to germinate when they are placed under conditions of moisture and temperature that would ordinarily bring about sprouting ... Many plants ... have seeds with dormant embryos. The method commonly used to break this dormancy is pretreatment in a moist medium at low temperature, usually between 32° and 50 °F (0° - 10 °C).

Key term(s)
  • dormancy breaking

French

Domaine(s)
  • Sylviculture
  • Pépinières
  • Techniques de plantation
OBS

La stratification consiste à disposer les graines, par exemple dans des caisses, en couches minces alternées avec des lits de sable ou de tourbe. Lorsque [...] le substrat est humide et maintenu à basse température, la stratification a pour effet de favoriser la germination des graines. Diverses méthodes de stratification, avec entre autres application de froid(0 à 5°) pendant des périodes de quelques semaines peuvent être des moyens actifs pour lever la dormance de certaines graines et assurer plus de régularité à la levée du semis.

Spanish

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Record 2 2013-05-01

English

Subject field(s)
  • Botany
CONT

If the germination substrate is too wet in these cases, such species produce weak, glassy-looking seedlings and the root tips of seedlings may become brown and decayed.

French

Domaine(s)
  • Botanique
CONT

Le papier de cellulose est de plus en plus employé comme substrat de germination, car il se manipule plus aisément que le sable tout en permettant la pénétration de la radicule, ce qui facilite le dénombrement des cas de germination anormale.

Spanish

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