– Adaptation strategies and defence mechanisms of plants during stress conditions;

– The role of Nitrogen metabolism in red clover adaptation to the conditions of oil polluted soil;

– Phytoremediation of oil-contaminated soil with  legumes plants.

1. Velychko О.І. The role of nitrogen metabolism in red clover adaptation to the conditions of oil
   polluted soil / Studia Biologica, 2020; 14 (1): 105-118. (In Ukranian) DOI: 10.30970/sbi.1401.612
2. Dovgajuk-Semenuk M.V., Velychko O.I., Terek O.I. The activity of the glutamate synthase
   pathway enzymes in Trifolium pratense L. plants under the conditions of oil polluted soil / Fiziol.
   rast. genet., 2018; 50 (1): 77–82. (In Ukranian). http://nbuv.gov.ua/UJRN/FBKR_2018_50_1_10
3. Burda I., Shevchuk O., Il’nytskyy O., Velychko O. The perspectives of medicago lupulina plants
   with the purpose of oil polluted soil phytoremediation / Studia Biologica, 2017; 11 (3-4): 87-88. (In
   Ukranian). http://nbuv.gov.ua/UJRN/bist_2017_11_3-4_74
4. Bliok Y., Makar О., Dovgajuk-Semenuk M., Velychko O., Terek O. The proteolysis intensity in the
   red clover plants under the conditions of oil polluted soil / Studia Biologica, 2017; 11 (3-4): 16-17.
   http://nbuv.gov.ua/UJRN/bist_2017_11_3-4_10
5. Velychko O., Dovgaiuk-Semeniuk M., Terek O. Nitrogen metabolism in the red clover plants
   (Trifolium pratense L.) under the influence of oil polluted soil // Tanulmány kötetek Báthory-
   Brassai nemzetközi multidiszcipl. konf. “Kárpát-medencei versenyképesség”, május 19-20, 2016. –
   Budapest, Óbudai Egyetem, 2016; 2 kötet: 429-434.
   http://www.bbk.alfanet.eu/userspace/7bbk2016_minden/7BBK-2016_kiadvany_2_kotett-ISBN-
   978-615-5460-97-5.pdf
6. Dovgajuk-Semenuk M. V., Velychko O. I., Terek O. I. The content of free amino acids in the red
   clover plants under the influence of oil polluted soil. Studia Biologica, 2016; 10(2): 115–122. (In
   Ukranian). DOI: https://doi.org/10.30970/sbi.1002.473
7. Terek O., Lapshyna O., Velychko O., Bunyo L., Dovgaiuk-Semeniuk M. Crude oil contamination
   and plants // Journal of Central European Green Innovation, 2015. 3 (2): 175-184.
   https://ideas.repec.org/a/ags/hukrgr/206656.html
8. Dovgajuk-Semenuk M. V., Velychko O. I., Terek O. I. The content of ammonium and nitrate
   nitrogen in the red clover plants under the influence of oil polluted soil and fertalization with
   phosphorus-potassium fertilizers // Scientific Issue TNPU. Series: Biology, 2015; 1(62): 94–99. (In
   Ukranian). http://journal.chem-bio.com.ua/journal-number-2015/item/215-naukovi-zapiski-tnpu-
   seriya-biologiya-2015-1-62
9. Dovgajuk-Semenuk M., Velychko O., Terek O. The content nitrogen in the red clover plants
   (Trifolium pratense L.) for the actions of oil polluted soil and provided with fertilizers dressing.
   Visnyk of the Lviv University. Series BIology, 2014; 65: 365–371. (In Ukranian).
   http://publications.lnu.edu.ua/bulletins/index.php/biology/article/view/5767
10. Velychko O.І. The influence of the seed bacterization with the active stain Rhizobium
    leguminosarum bv. trifolii on the nodulation ability of the red clover plants in the oil // Scientific
    Bulletin of UNFU, 2013; 23.14: 51–57. https://nv.nltu.edu.ua/Archive/2013/23_14/index.htm
11. Velychko O.I. Effectiveness of symbiotic system Bradyrhisobium japonicum–soy plants in the oil
    polluted soil // Visnyk of the Lviv University. Series Biology, 2012; 58: 150–157. (In Ukranian).
    http://prima.lnu.edu.ua/faculty/biologh/wis/58/3/16/16.pdf
12. Bunio L. V., Tsvilynjuk O. M., Mykiyevych І. M., Velychko О. І., Terek О. І. Microflora activity
    of crude oil contaminated soil in rhizosphere of Carex hirta L. plants // Studia Biologica, 2010;
    4(3): 55–62. (In Ukranian). DOI: ttps://doi.org/10.30970/sbi.0403.109
13. Terek O., Lapshyna O., Velychko О., Bunyo L., Dovgaiuk-Semeniuk M. Crude oil contamination
    and plants. Journal of Central European Green Innovation, 2015; 3(2): 175–184.
14. Velychko O. І. Fractional composition of proteins in the organs of soybean plants adapted to oil polluted soil // Scientific Bulletin of UNFU, 2012; 22.04: 91–96. (In Ukranian).
15. Velychko O. I. Nitrate Nitrogen content in soul and soybeans plants organs under oil soil pollution. Scientific Bulletin of UNFU, 2011; 21: 351–354. (In Ukranian).
16. Dovgajuk-Semenuk M.V., Velychko O.I., Terek O.I. The content of basic nutrients and growth the red clover plants in oil polluted soil fertilized with Micro-Vital bacterial fertilizer. Scientific Bulletin of UNFU, 2014; 24.9: 128–131. (In Ukranian).
17. Terek O. I., Velychko O. I., Dzhura N. M. Physiological aspects of plant adaptation to oil-contaminated soil. Plant Physiology: Problems and Prospects for Development: collection of scientific works. Kiev: Logos, 2009; 1: 217–225. (In Ukranian).
18. Velychko O.I. Role of proteins in the adaptation of red clover plants noculated with Rhizobium leguinosarum bv. trifolii to the condition of oil polluted soil. Scientific Issue TNPU. Series: Biology, 2014; 3 (60): 58–61. (In Ukranian).
19. Velychko О. І. Morphological structure of Medicago lupulina L. roots and ability to forming of root nodules in oil polluted soils. Scientific Herald of Chernivtsy University. Biology (Biological System), 2011; 3 (4): 45–49. (In Ukranian).
20. Velychko O., Sokol O., Terek O. The suction force of root cells of soya plants at the extrem water terms of oil pollution soil. Visnyk of the Lviv University. Series Biology, 2009; 49: 203–207. (In Ukranian).
21. Velychko O., Terek O. The influence of oil polluted soil on the contents of ascorbic acid and ascorbate oxydase activity in organs of alfalfa plants. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences, 2008; 10 (3(38.2): 144–148. (In Ukranian).

1971 – born in Skole, Lviv Region, Ukraine.

EDUCATION
2015 – Academic title of Associate Professor;
2012 – Academic title of Senior Researcher;
2004 – Candidate of Biological Sciences (defended Ph.D. “Reception and initial phases of laser
light signal transduction by seeds and seedlings of cress”, Supervisor – Professor O.T. Demkiv).
1993 – graduated from the Ivan Franko National University of Lviv, Faculty of Biology,
specializing in the Department of Plant Physiology and Ecology

WORK:
2013 – current: Associate Professor of Plant Physiology, Department of Plant Physiology and
Ecology, Ivan Franko National University of Lviv (IFNUL), Lviv, Ukraine
2007 – 2011: Assistant and Associate Professor 0,5 employment part-time, Department of Plant
Physiology and Ecology, IFNUL
1993 – 2014: Engineer, Junior Researcher, Researcher and Senior Researcher; Research and
Development Department, IFNUL