Example sentences for: photoperiod

How can you use “photoperiod” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The rate of reproductive development and the onset of fertility are influenced by an array of environmental factors that can be broadly grouped as physical, nutritional, and social [ 1 ] . Chief among social cues in mammals are priming pheromones that can retard or accelerate sexual development within constraints of factors such as photoperiod and nutritional status of the individual.

  • These results have implications for studies on F344 and other photoperiodic strains of rats, particularly because the F344 rat is widely studied throughout the world, and has been the most commonly used inbred rat strain in the United States [ 32 ] . The existence of both reproductive and nonreproductive responses of adult F344 rats to short photoperiod, and the possibility for weak endogenous circannual responses to short photoperiods could complicate the design and interpretation of experimental results, especially in the case of long-term studies.

  • A. thaliana ecotype Col-0 plants were grown in soil (Scotts-Sierra Horticultural Products Company, Marysville, OH) in 5 cm pots (50 per flat) under fluorescent light 30 W/m 2/s with a 14 h light/10 h dark photoperiod for 3-4 weeks.

  • Rats put into SD photoperiod treatment from the time of weaning exhibited an initial period of photoresponsiveness during the first third of the experiment (measurements in weeks 2-14).

  • If F344 rats are photoresponsive, we predicted that adult rats treated with a short photoperiod would exhibit a decrease in testis size, body weight, and food intake.


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