ov1750 ki ov1721 ki ov1791 ki ov1843 and ki ov1835 showed the highest carvacrol content with ki ov1750 being the highest at the time of harvest again during the 2 nd harvest in september a similar trend was observed at the time of the 2 nd harvest ki ov1750 had significantly higher levels of carvacrol than other hi c clonal lines on the other hand maximum accumulation of thymol was observed only in june in clonal line ki ov1850 5 16 and the content had declined by 50 at the time of second harvest in september the gradual increase in carvacrol content in the five hi c clonal lines 1750 1721 1791 1835 and 1843 and thymol content in clonal line ki ov1850 is shown in the fig2 below all the hi c clonal lines showed the highest level of carvacrol content during the first week of june and again during the last week of august the hi t clonal line ki ov1850 showed the highest thymol content in june with no second peak later in the summer hplc was performed on prior art greek oregano fig8 and the present invention fig9 demonstrating the high thymol and low carvacrol content of the present subject line all the clonal lines were scored for the overall plant vigor and growth.