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4 th International Symposium of Biotechnology10 – 11 th November 2011, Bucharest, RomaniaPOSTER PRESENTATIONS30
4 th International Symposium of Biotechnology10 – 11 th November 2011, Bucharest, RomaniaP.I.1. INFLUENCE OF ESSENTIAL OILS TREATMENTS ONPEROXIDASE ACTIVITY IN TUBERS FROM HEALTHY AND PVYINFECTED Solanum tuberosum PLANTSCarmen Liliana Bădărău 1 , Mărculescu Angela 2 , N. Cojocaru, Damşa Florentina 11 National Institute of Research and <strong>De</strong>velopment for Potato and Sugar Beet Brasov, Romania2 Faculty of Food and Tourism, Transilvania University, Braşov, RomaniaCorresponding author: Carmen Liliana Badarau, National Institute of Research and <strong>De</strong>velopment for Potatoand Sugar Beet Brasov, 2 Fundaturii, 500470 Brasov, Romania, tel. 0040268476795, fax: 0040268476608, e-mail: carmen_badarau@yahoo.comKeywords: potato virus Y, peroxidase activity, essential oilsAntioxidants such as rosmarinic acid, chlorogenic acid, poliphenols presents in essential oilsextracted from Lamiaceae family plants and many other compounds like hydrogen peroxide andascorbic acid are implicated in the process signaling against stress. The goal of this research was toevaluate the effects of treatments with essential oils from Thymus serpyllum, Rosmarinus officinalis,Ocimum basilicum, Mentha piperita and Abies alba on peroxidase activity and minituber yield fromhealthy and mechanical PVY inoculated plants (variety Roclas) The treatments of positive potatoplants significantly reduced the number of minitubers, enhancing their weight in all the variants. Thetubers from plants treated with Thymus serpyllum oils and mechanical inoculated with the potatovirus Y had the higher value of peroxidase activity (significantly comparatively with the othervariants).31
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