Stomata
Stomata
Journal of Ecosystem and Ecography is an international open access journal which is celebrating 10th Anniversary , publishing the quality peer-reviewed research articles relevant to the field of Environmental Sciences.
As our journal has completed 10 years we are celebrating 10th anniversary we have announced almost 50 percent discount on article processing charge to commemorate its 10th Anniversary so we are inviting eminent researches,fellowmans, science students, scientists for the submission of their valuable,innovative articles which would be helpful to our journal publication in forth coming issue( volume10, issue 1) .
We would like to invite eminent researches to write a paper or short commentaries on the below discussed topics which would be helpful for the readers for their information
Submit manuscript at https://www.scholarscentral.org/submissions/ecosystem-ecography.html
In botany, a stoma (plural "stomata"), also called a stomate (plural "stomates") is a pore, found in the epidermis of leaves, stems, and other organs, that facilitates gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.
The term is usually used collectively to refer to the entire stomatal complex, consisting of the paired guard cells and the pore itself, which is referred to as the stomatal aperture. Air enters the plant through these openings by gaseous diffusion and contains carbon dioxide which is used in photosynthesis and oxygen which is used in respiration. Oxygen produced as a by-product of photosynthesis diffuses out to the atmosphere through these same openings. Also, water vapor diffuses through the stomata into the atmosphere in a process called transpiration.
Stomata are present in the sporophyte generation of all land plant groups except liverworts. In vascular plants the number, size and distribution of stomata varies widely. Dicotyledons usually have more stomata on the lower surface of the leaves than the upper surface. Monocotyledons such as onion, oat and maize may have about the same number of stomata on both leaf surfaces. In plants with floating leaves, stomata may be found only on the upper epidermis and submerged leaves may lack stomata entirely. Most tree species have stomata only on the lower leaf surface. Leaves with stomata on both the upper and lower leaf are called amphistomatous leaves; leaves with stomata only on the lower surface are hypostomatous, and leaves with stomata only on the upper surface are epistomatous or hyperstomatous. Size varies across species, with end-to-end lengths ranging from 10 to 80 µm and width ranging from a few to 50 µm
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Grace
Journal Manager
Journal of Ecosystem and Ecography