Words similar to photoperiod

Example sentences for: photoperiod

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

One pathway involves a set of autonomous genes (which are turned on at a specific developmental stage), a second pathway involves genes that are responsive to the photoperiod, and a third pathway includes genes that respond to the phytohormone gibberellin.
Truly free-running rhythms generated by an endogenous timer should cause individuals to lose synchrony with each other over time [ 2 ] . Thus, if changes in testis volume in the later weeks of Experiment 2 were due to an endogenous timer, then we would predict less synchrony among rats undergoing a second period of testicular inhibition in Experiment 2 relative to the adult rats in Experiment 1 subjected to a sudden, synchronous change to SD photoperiod.
Rats put into an intermediate 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).
5 h photoperiod.
At least a 14-h photoperiod was maintained in the greenhouse by supplementing sunlight with low-pressure sodium vapor lamps that provided a photosynthetic photon flux density (PPFD) of 150 μmol m -2s -1.