TERMIUM Plus®

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

GAMETOPHYTE PLANT [2 records]

Record 1 2023-02-27

English

Subject field(s)
  • Biotechnology
  • Embryology
  • Plant and Crop Production
CONT

... "microspore embryogenesis" [refers] to the in vitro culture of the immature male gametophyte... The haploid embryos... can be germinated and grown into mature plants, but these plants are sterile due to their inability to produce gametes with a balanced chromosome number after meiosis. Chromosome doubling, which occurs either spontaneously in culture or after the application of... agents such as colchicine, restores the ploidy level and fertility of the derived plant...

French

Domaine(s)
  • Biotechnologie
  • Embryologie
  • Cultures (Agriculture)

Spanish

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Record 2 2000-06-16

English

Subject field(s)
  • Botany
CONT

Reproductive processes in some plants can be influenced by air pollutants. In the bracken fern (Pteridium aquilinum) the alternation of gametophyte and sporophyte generations may be affected by acid precipitation. For fertilization to occur in gametophytic plants water must be present to provide a medium for the transference of motile sperm which are provided with flagella.

Key term(s)
  • gametophyte plant

French

Domaine(s)
  • Botanique
OBS

gamétophyte : Organisme végétal issu d'une spore, destiné à former les gamètes et reconnaissable dans le espèces végétales où il existe une alternance des générations.

OBS

gamétophytique : Se dit de ce qui concerne le gamétophyte.

Spanish

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