STRUKTUR STOMATA DAUN TUMBUHAN FAMILI AMARANTHACEAE SEBAGAI SUMBER PENYUSUNAN BAHAN AJAR ANATOMI DAN PERKEMBANGAN TUMBUHAN
Keywords:Amaranthaceae Family, Stomata Type, Stomata Density, Anatomy, Teaching Materials
Stomata are gaps in the epidermis which are bounded by two special cells called guard cells. Stomata are found in all above-ground parts of plants, but are most commonly found in leaves. The purpose of this study was to determine the type of stomata in plant species from the Amaranthaceae family, stomata density in six species from the Amaranthaceae family and the results of the validity of the module. The location of this research was carried out in the Undikma Laboratory and the UIN Basic Biology Laboratory. This is a descriptive research. Observation of leaf stomata structure by making fresh preparations using slicing technique and clear isolation technique then observation using a trincular microscope and data analysis using the stomata density formula. The results of the research on the Amaranthacea family showed that there were 4 types of stomata found on the six leaves of the plants of that family, namely anomocytic, anisocytic, diastic, and actinocytic. The anomocytic type was found in Amaranthus spinosus L, Amaranthus tricolor L, and Aerva sanguinolenta L. Anisocytic type was found in Amaranthus sp, diastic type was found in Celosia argentea L and actinocytic type was found in Gomphrena celosiodes Mart. The preparation of teaching materials uses 4D development which is modified into 3D which goes through 3 stages, namely Define, Design, and Develop based on teaching materials in the form of modules and validated by 3 experts, namely module validation by a team of lecturers of language experts, material experts, and display experts. The results of the validation of module teaching materials were 87.6% with a valid and appropriate category as a reference for anatomy and plant development courses.
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