%0 Journal Article %T The study of the potato¡¯s life-cycle phases important to the increase of the individual variability %A Zsuzsanna NEMES %A Anca BACIU %A Daniela POPA %A Luiza MIKE %J Analele Universitatii din Oradea, Fascicula Biologie %D 2008 %I University of Oradea Publishing House %X The authors describe the practical importance of the knowledge of the potato¡¯s life-cycle phases. There was made a research about the life-cycle of some varieties created at the Potato Research and Development Station Targu-Secuiesc, aiming at the proper management of the crop care, the irrigation and fertilization of the crops, depending on their objective.The varieties Redsec, Ioana, Luiza and Star are semi-late maturing varieties, with a vegetative period of 80 ¨C 110 days, each of them displaying certain specific features during the growth and development period that are highlighted in the present research paper. %K potato %K life-cycle %K variability %K production %U http://www.fileden.com/files/2008/10/15/2144000/2008/060-063%20-%20Nemes%20Zsuzsanna.pdf