What is photoperiodism?

Photoperiodism is a biological reaction to the level of light that occurs in many organisms around the world. Plants and animals show this feature to different levels and knowledge of how organisms respond to changes in light levels, can be used to handle these organisms to create special desired results. Scientists are also interested in photoperiodism and its potential applications. For example, when the days extend, the tree could begin to produce buds and flowers, because it would feel that spring was on the way. As the days are shortened, the race would be sleeping, producing seeds for next year and taking steps to ensure that it is ready for the winter. Photoperiodism can also play a role in setting the fruit and movement of plants that adjust their position to use the available light.

Knowledge of photoperiodism in plants allowed botany to deceive plants grown in greenhouses by handling light levels to deceive the plants. This technique is used to make flowers availableThroughout the year for the florical industry, for example or forced plants to make seeds that can be distributed for sale. Scientists can also play with the levels of light in the process of exploring variations between plant species, to learn more about these species and how they live in a natural environment.

This feature is also present in many animals. Animals with coats of fur often grow another hair in winter and threw themselves in summer, responding to the changing level of light to start this process. Photoperiodism can also cause nesting, estrus and other events in the life of animals. This may also be related to responses to other environmental allusions such as temperature, precipitation and so on, with the body of the animal reacts to the constellation of indicators that the season is moving.

While people may think that they are liberated from photoperiodism, some evidence seems to indicate that people actually respond to changingwith the level of light. The seasonal affective disorder (SAD), common psychological condition, is directly associated with changes in the available light and the length of the day. This can cause serious emotional anxiety that may vary from depression to mania, suggesting that many people are more bound to change the seasons than they could admit.