Radiation intensity influencing morphophysiological characteristics in leaves of <i>Tetradenia riparia</i> (Hochst.) Codd
DOI:
https://doi.org/10.21826/2446-82312019v74e2019001Keywords:
light, medicinal plant, photomorphogenesisAbstract
This work aimed to study the role of light on Tetradenia riparia development. Tetradenia riparia (Hochst.) Codd.’s morphophysiological characteristics were evaluated when cultivated under 30%, 50% and 80% shading levels and at full sunlight. The leaf thickness was higher in plants grown under full sunlight. The leaf area was larger in plants cultivated under 80% of shade. Chlorophyll “a” and total, carotenoids, proteins and nitrogen were higher in plants cultivated under 50% and 80% of shade. There were no differences for stomata density and trichomes in the abaxial epidermis, content of chlorophyll “b,” chlorophyll a/b ratio and ash content among plants of different treatments. The stomata density of the adaxial epidermis was higher in plants cultivated under 30% of shade. The lipid content was lower in plants grown under 80% of shade. T. riparia has high morphophysiological plasticity to different radiation intensities.Downloads
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