Romanian Society of Pharmaceutical Sciences

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PRELIMINARY STUDIES REGARDING THE INFLUENCE OF UV RADIATIONS WITH DIFFERENT WAVELENGHTS ON TISSUE SAMPLES FROM ZEA MAYS

MARIA ORODAN1, VIOLETA TURCUŞ1, GELU MARIAN MOVILEANU, GYONGYI OSSER2*, AUREL ARDELEAN1

1.Faculty of Natural Sciences, Engineering and Informatics, “Vasile Goldiş” Western University of Arad, Liviu Rebreanu St., no. 91-93, Arad
2.Faculty of Medicine, Pharmacy and Dentistry, “Vasile Goldiș” Western University of Arad, Liviu Rebreanu St., no. 91-93, Arad

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The main objective of our research was to determine the influence of the UVB radiations on the organogenesis and callogenesis of the monocotyledonous species, taking as a study subject Zea Mays (corn, the ZP471 and Helga hybrids). The paper presents the results of the in vitro tests that have been conducted on tissue samples from the leaves and the vine of the biological material that was used regarding the influence of external factors on the organogenesis “via” callus (water, temperature, UV-B type radiations), on the capacity of regeneration of certain types of explants of a different nature. The results lead to the conclusion that the enzyme activity and the morphogenesis were affected, depending on the wavelengths and the environments used for the cultures, by comparison to the studied biological material.