daylength

Modelling frost resistance of Scots pine seedlings using temperature, daylength and pH of cell effusate.

Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation 2009

Latitude influences the angle of incidence and duration of daylength.

Global surface temperature distribution 2009

Specific daylength effects on leaf growth and dry-matter production in high-latitude grasses.

Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation 2009

During the winter solstice the sun reaches its highest altitude above the horizon and daylength is at a maximum (13 hours and 12 minutes).

Daily and annual cycles of temperature 2007

Variations in net radiation are primarily controlled by changes in the intensity and duration of received solar insolation which are driven by variations in daylength and angle of incidence.

Daily and annual cycles of temperature 2007

The lowest values of net radiation occur around the summer solstice when the sun reaches its lowest altitude above the horizon and daylength is at a minimum (10 hours and 48 minutes) in the Southern Hemisphere.

Daily and annual cycles of temperature 2007

Is it because of the sites, diseases and pests, poor plant architecture, inefficient root structure, lodging, poor tillering, bolting, or daylength restrictions?

3. Fonio (Acha) 1996

It turns out that what daylength-sensitive plants are actually measuring is the length of the night.

13: Energy and technologies 1996

Daylength Flowering is apparently insensitive to daylength.

3. Fonio (Acha) 1996

But, for the subsistence pearl millets of West Africa, daylength sensitivity is what ensures that grain will be ready to harvest just at the right time in the dry season.

5. Pearl Millet: Subsistence Types 1996