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This study was carried out to determine the effect of different planting times on the essential oil components of different mint varieties (Mentha arvensis var. piperascens, M. piperita Mitcham, M. piperita Eskiflehir and M. piperita Prilubskaja). | Turk J Agric For 26 (2002) 289-294 © TÜB‹TAK Effect of Different Planting Times on Essential Oil Components of Different Mint (Mentha spp.) Varieties* Abdulhabip ÖZEL Harran University, Faculty of Agriculture, Department of Field Crops, 63040, fianl›urfa -TURKEY Menflure ÖZGÜVEN Çukurova University, Faculty of Agriculture, Department of Field Crops, 01300, Adana -TURKEY Received: 01.02.2001 Abstract: This study was carried out to determine the effect of different planting times on the essential oil components of different mint varieties (Mentha arvensis var. piperascens, M. piperita Mitcham, M. piperita Eskiflehir and M. piperita Prilubskaja). The field trials were conducted at the GAP Agricultural Research Station under Harran Plain conditions in 1993 and 1994. The mint oil components, α-pinene (0.49-1.00%), β-pinene (1.38-2.12%), 1,8-cineole (2.64-10.85%), menthone, menthofuran (28.0949.52%), menthole (22.55-38.89%), pulegone (0.00-1.32%), menthyl acetate (0.46-6.78%) and β-caryophyllene (0.54-2.84%), were determined. The results indicated that the essential oil components were affected by planting times, mint varieties and cutting numbers. The highest menthole ratio was obtained from M. arvensis var. piperascens (33.50-38.89%), from second cutting and autumn transplantation. Therefore, autumn transplantations are more suitable under Harran Plain conditions. Key Words: Mint varieties (Mentha piperita L., M. arvensis var. piparescens Holmes), Planting times, Essential oil components De¤iflik Dikim Zamanlar›n›n Farkl› Nane (Mentha spp.) Tiplerinin Uçucu Ya¤ Bileflenlerine Etkisi Özet: Harran Ovas› koflullar›nda farkl› dikim zamanlar›n›n farkl› nane tür ve tiplerinin (Mentha arvensis var. piparescens, M. piperita Mitcham, M. piperita Eskiflehir Nanesi ve M. piperita Prilubskaja) uçucu ya¤ bileflenlerine etkisinin saptand›¤› bu araflt›rma, 1993 ve 1994 y›llar›nda fianl›urfa ilinde bulunan GAP Tar›msal Araflt›rma ve Gelifltirme ‹stasyonu’nda yürütülmüfltür. Nane
