Hasan MARAL, Ziya DUMLUPINAR, Tevrican DOKUYUCU, Aydin AKKAYA

1Karamanoglu Mehmetbey University, Ermenek Vocational School, Karaman, TURKEY. 2Kahramanmaras Sutcu Imam University, Agricultural Faculty, Department of Agricultural Biotechnology, Kahramanmaras, TURKEY, 3Kahramanmaras Sutcu Imam University, Agricultural Faculty, Department of Agronomy, Kahramanmara

Öz Nitrogen (N) is one of the most important and complex nutrients for the crop plants especially for grain yield and quality. Field trials were carried out in 2007-08 and 2008-09 growing years to investigate response of six oat cultivars (Seydisehir, Apak, Yesilkoy-330, Amasya, Checota and Yesilkoy-1779) to three N rates (0, 10 and 20 kg da-1) for agronomical traits. In the research the traits such as panicle number per m-2 (PN m-2), plant height (PH), grain number per panicle (GNP), grain weight per panicle (GWP), 1000-grain weight (1000-GW), grain yield (GY), biomass (BY) and harvest index (HI) were investigated. Results indicate that agronomical traits significantly differed for the years, cultivars and N rates, except PH for cultivars. Among the cultivars, Checota had the highest GWP, 1000-GW and GY (3.12 g, 38.5 g and 259.6 kg da-1 respectively), while Seydisehir had the highest PN m-2 and BY (543 PN m-2 and 1666 kg da-1 respectively). Investigated traits were gradually increased with increasing of nitrogen rates. Checota cultivar had the highest GY, while Seydisehir cv. had the highest BY at 20 kg da-1 N rate

Anahtar Kelimeler:

Agronomical and morphological traits, Avena sativa L., nitrogen rates, oats

Response of Six Oat (Avena sativa L.) Cultivars to Nitrogen Fertilization for Agronomical Traits

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