Open Access

The Effect of Different Nitrogen and Phosphorous Levels on the Petal Yield of Some Safflower Varieties and Some Agronomic Parametrelers in the Irrigation Conditions of Diyarbakir

1 Batman Üniversitesi, Sason Meslek Yüksekokulu Bitkisel ve Hayvansal Üretim/Organik Tarım Programı, Batman
2 Dicle Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Diyarbakır

Abstract

In order to determine the effects of different nitrogen and phosphorus levels on the petal yield and some vegetative parameters of some safflower cultivars, the study was established in Diyarbakır irrigated conditions in the winter season of Dicle University Faculty of Agriculture in the 2019-2020 growing season. The experiment was carried out in according to the split-split plots experimental design in randomized blocks with four replications, and two safflower cultivars (Safir, Dinçer), three phosphorus doses (0, 3, 6 kg P2O5/da) and four nitrogen doses (0, 5, 10, 15 kg N/da) was applied. Plant height, number of side branches, number of heads, diameter of the heads, main stem diameter and petal yield were investigated. As a result of the findings, it was determined that the nitrogen fertilizer doses affected plant height, number of side branches, number of heads, diameter of the head, main stem diameter and petal yield statistically significantly. Plant height 73.76-93.24 cm, number of side branches 4.36 -5.53 pieces/plant, number of heads 10.18 -16.82 pieces/plant, diameter of the head 24.38-26.43 mm, main stem diameter was found to vary between 5.82-6.88 mm. The highest petal yield was obtained from the application of 15 kg N/da dose of 7.06 kg/da, and the lowest from 0 kg N/da dose application as 4.88 kg/da. In parallel with the increase in the applied doses, it was determined that the yield elements increased positively.

Keywords

How to Cite

ANDIRMAN, M., & KARAASLAN, D. . (2021). The Effect of Different Nitrogen and Phosphorous Levels on the Petal Yield of Some Safflower Varieties and Some Agronomic Parametrelers in the Irrigation Conditions of Diyarbakir. ISPEC Journal of Agricultural Sciences, 5(3), 659–668. https://doi.org/10.46291/ISPECJASvol5iss3pp659-668

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