PJB-2023-83
Humera Matloob
Abstract
Climatic conditions have profound impact on adaptability of plants to a specific region, so it is decisive to study the morpho-anatomical and physiological modeling of Justicia adhatoda collected from different sites of Upper Punjab. Anatomical changes like epidermal sclerification of leaf, reduction in stomatal size, increase in number of trichomes and cystoliths, smaller cortical thickness along with the reduction in total soluble sugars, total soluble proteins, ascorbic acid concentration, an increase in proline and total free amino acids have impact on the overall growth of plants. Soil attributes and temperature of a zone directs plants density and prostrate up to some extent. Justicia showed well adaptability in the areas of cooler regions rich of nutrients. However, the lesser growth with excessive concentrations of osmolytes, reduction in total soluble sugars, increase in enzymatic activity (POD), reduction in phloem thickness, cortical region and increase in metaxylem thickness, number of hairs, cutical thickness in the plants of Katha mountain, Uchali, Suriki, Murree and Jhalar have been observed. The retarded growth may also be connected with soil pH, soil organic matter and saturation percentages. Plants from botanical garden of University of Agriculture, Knhotti Garden, and Ktwaii showed high concentrations of total soluble sugars, total soluble proteins, and ascorbic acid with lesser concentration of total free amino acids and ROS resulted in healthy growth revealing suitable biotic and abiotic conditions of the environment.
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