three groups according to the photoperiods: short-day plants, long-day plants, and day-neutral plants. In animals photoperiodism (sometimes called seasonality)...

plant nutrition, plant hormone functions, tropisms, nastic movements, photoperiodism, photomorphogenesis, circadian rhythms, environmental stress physiology...

the plants used in experiments that led to the definitions of photoperiod and photoperiodism. Yet, it's likely that Chinese, Korean and Japanese plantsmen...

behavior, however. Wyeomyia smithii is a model organism for the study of photoperiodism, the biotic process of controlling seasonal life history events by measuring...

development, and the switch from the vegetative to the flowering stage (photoperiodism). Most research on photomorphogenesis is derived from plants studies...

photosynthesis, respiration, plant nutrition, tropisms, nastic movements, photoperiodism, photomorphogenesis, circadian rhythms, seed germination, dormancy,...

medicine, endocrinology, geriatrics, sports medicine, space medicine and photoperiodism. Bacterial circadian rhythms Biological clock (aging) Circadian rhythm...

similar manner, Garner and Allard's efforts would gather an awareness of photoperiodism which involves epigenetic modifications following the duration of nighttime...

Nocturnality Cathemerality Crepuscular Matutinal Vespertine Seasonality Photoperiodism Vernalization Fields Behavioural ecology Chronobiology Ethology See...

species to be seriously studied in terms of their circadian activity and photoperiodism, in part because of their availability and adaptability in captivity...

on age, as opposed to the ratio of light to dark hours required with photoperiod dependent/short-day strains. Many autoflowering varieties are ready to...

plants also require both dark and light periods, an effect known as photoperiodism, to trigger flowering. Therefore, lights may be turned on or off at...

types of rodents to the same photoperiods. When a diurnal Nile grass rat and nocturnal mouse are exposed to the same photoperiod and light intensity, increased...

Chrysanthamums, mixed, part of a display at Hampton Court Flower Show. Photoperiodism Nicolson, Dan H. (May 1999). "Report of the General Committee: 8". Taxon...

proposed a model for the endogenous circadian rhythms governing plant photoperiodism. From these contributions, Bünning is considered a co-founder of chronobiology...

hormones and iodine in the mediobasal hypothalamus changes in response to photoperiod. Thyroid hormones in turn induce reproductive changes. This is found...

varieties may contain combinations of these pigments. Maize has short-day photoperiodism, meaning that it requires nights of a certain length to flower. Flowering...

Adoption of perpetual flowering hybrids not sensitive to changes in photoperiod gave higher yields and expansion of production in California. Raw strawberries...

(April 2015). "Annual gonadal cycles in birds: Modeling the effects of photoperiod on seasonal changes in GnRH-1 secretion". Frontiers in Neuroendocrinology...

flowering is sensitive to photoperiod and sesame variety. The photoperiod also affects the oil content in sesame seed; increased photoperiod increases oil content...

psychoactive compound tetrahydrocannabinol (THC) and does not require photoperiod to blossom (unlike C. indica and C. sativa). Some scholars accept C. ruderalis...

range of diversity found among these cultivars includes variation in photoperiod (length of day that triggers bulbing), storage life, flavour, and skin...

as changes in levels of plant hormones and seasonable temperature and photoperiod changes. Many perennial and most biennial plants require vernalization...

production, cell regeneration, and other biological activities. In addition, photoperiodism, the physiological reaction of organisms to the length of day or night...

captivity may come into oestrus more frequently, perhaps because the photoperiod stimulus breaks down under conditions of artificial lighting. Canids...

sites due to environmental triggers such as temperature and photoperiod. However, photoperiod only predicts overwintering in areas where day length affects...

the summer coat in the following spring. Moulting is affected by the photoperiod. Deer are also excellent jumpers and swimmers. Deer are ruminants, or...

structure, the eye of the blind mole-rat, is believed to retain function in photoperiod perception. Speciation requires a degree of reproductive isolation—that...

in late October or early November, triggered mainly by the declining photoperiod. Sexual maturation of females depends on population density, as well...

that cyanobacterial mats produce a greater excess of oxygen with longer photoperiods. The rotational period of the Earth was only about six hours shortly...