Anatomical and functional effects of Ocimum basilicum L. cultivated on saline soil
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OLARU, Elena-Iren, LOBIUC, Andrei, OLARU, Ştefan Mihăiță, ZAMFIRACHE, Maria-Magdalena. Anatomical and functional effects of Ocimum basilicum L. cultivated on saline soil. In: Life sciences in the dialogue of generations: connections between universities, academia and business community, Ed. 1, 21-22 octombrie 2019, Chişinău. Chișinău, Republica Moldova: Tipogr. "Biotehdesign", 2019, pp. 155-156.
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Life sciences in the dialogue of generations: connections between universities, academia and business community 2019
Conferința "Life sciences in the dialogue of generations: connections between universities, academia and business community"
1, Chişinău, Moldova, 21-22 octombrie 2019

Anatomical and functional effects of Ocimum basilicum L. cultivated on saline soil


Pag. 155-156

Olaru Elena-Iren1, Lobiuc Andrei23, Olaru Ştefan Mihăiță1, Zamfirache Maria-Magdalena1
 
1 Alexandru Ioan Cuza University of Iaşi,
2 Institute of Interdisciplinary Research – CERNESIM Centre,
3 Centrul de Studii „Ştefan cel Mare”, Iaşi
 
 
Disponibil în IBN: 12 decembrie 2019


Rezumat

 Incorrect use of agricultural techniques is determining the apparition of saline soils. From the world total arable land surface, 8% is affected by salinity (1). Excessive amounts of salt may induce alterations of plant functions and structures (2). Assessments must be performed to find species suited for affected soils (3). The main aim of the present study is the determination of salinity influence on processes involved in development of basil plants and the suitability of cultivating this species, an important crop of culinary and medicinal interest, on saline terrain.  Materials and Methods: Basil seeds were bought from a specialised store and peat based substrate was used for germination. During the testing the plants were potted using a universal soil mixture NaCl was applied in 3 concentrations (4mM, 10mM and 20mM). For plants anatomy, sections were made using a hand microtome and dyed using Iodine-green and Ruthenium-red. Chlorophyll and carotenoid pigments were evaluated as in (4). Total phenolic content was determined using methods described in (5).  Results: Anatomical analysis indicated that on higher NaCl concentration the number of xylem vessels increased, to compensate dehydration, similarly to (4). Chlorophyll fluorescence decreased, with variations during 2 weeks of treatment. Salinity determined a reduction of photosynthesis efficiency, influencing chlorophyll production. Salt presence lead to increased flavonoid and total phenolic contents and reduced chlorophyll contents. Similar results were observed by (4) and (5).Conclusion: Considering that basil plant grew under salinity stress, basil crops appear suited for cultivation in salinity affected fields, with positive effects on the economic value of the crop.    

Cuvinte-cheie
anatomy, basil, Salinity, soil, stress