Definición de photoperiod en inglés:

photoperiod

Silabificación: pho·to·pe·ri·od
Pronunciación: /ˈfōtōˌpi(ə)rēəd
 
/

sustantivo

Botany & Zoology
  • The period of time each day during which an organism receives illumination; day length.
    Más ejemplos en oraciones
    • Canola seedlings were grown in chambers at 23°C, 50% humidity, under 16/8 h day/night photoperiods.
    • Applying balancing pressure did not affect the growth of N-deprived plants except during the photoperiod of day 3 and the dark period of day 4.
    • For enzymatic activities and sugar determinations, samples were collected at the middle of the photoperiod.

Derivativos

photoperiodic

Pronunciación: /ˌfōtōˌpi(ə)rēˈädik/
adjetivo
Más ejemplos en oraciones
  • Leaves communicate photoperiodic signals to meristems, stolons and buds in flowering, tuberization and dormancy.
  • Some songbirds modify their sensitivity to the usual photoperiodic cues that control breeding onset, such that photoperiod response thresholds differ between populations at different latitudes.
  • To expose gametophytes to particular photoperiodic conditions, the bagged Petri plates were placed in a light-tight box over which was installed the fluorescent source.

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Palabra del día coloratura
Pronunciación: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody