Definition - What does Stomata mean?

A plant's stomata (singularly “stoma” or “stomate”) are microscopic holes in their leaves that are akin to the pores of human skin. These organs are responsible for the intake of carbon dioxide and the exhalation of oxygen and water vapor during transpiration. Stomata play a vital function in the delicate balance of proper CO2 levels in many plants, including cannabis.

The location of the stomata on plants depends on where the plant usually grows. Water plants like lilies have their stomata on the tops of their leaves, since their undersides are under water. Other plants like cannabis have their stomata located on the undersides of the leaves. Many species of plants have stomata on both the tops and bottoms of their leaves.

MaximumYield explains Stomata

The stomata of cannabis plants can be manipulated to respond to various growing conditions. The more light that is available to the plant, the wider its stomata will open. Proper ventilation and circulation of air will help to keep stomata performing at peak levels.

This is true for moisture levels as well; the stomata respond accordingly to the amount of moisture in the air. They will close of to protect water loss when the air is dry and open again to receive moisture when there is more moisture.

The stomata are also put to use in the process of foliar treatments, including foliar feeding of fertilizers, and of topical pesticides. The stomata, rather than the plant's roots, are how the plant utilizes the compounds applied.

This definition was written in the context of Cannabis
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