The Effect of Different Intra-Row Spacing and Nitrogen Levels on Yield and Yield Components of Hybrid Confectionery Sunflower (Helianthus annuus L.) in Ankara Conditions

Year 2014, Volume: 3 Issue: 2, 81 - 89, 20.09.2014

Sibel Day , Özer Kolsarıcı

https://doi.org/10.21657/tsd.17768

Cited By: 2

Abstract

This research was conducted at the experimental field of Department of Field Crops, Faculty of Agriculture, University of Ankara in 2007 and 2008. The aim of the research was to determine the effects of different intra-row spacings (20, 30 and 40 cm) and nitrogen doses (0, 4, 8 and 12 kg da-1) on yield and yield components of confectionery sunflower genotype 03M142. The experiment was laid on “Randomized Complete Block Design” as split plots with three replications. Plant height, head diameter, seed yield per head, 1000 seed weight, hull ratio, seed yield, oil ratio and protein ratio were investigated. According to the results observed in both years, the highest plant height was 157.3 cm at 12 kg N da-1 and the highest seed yield was observed as 410.3 kg da-1 at 20 cm intra-row spacing with 12 kg N da-1 in the second year. Results revealed that decreased intra-row spacing and increased nitrogen doses led to increase of the seed yield.

Keywords

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Ankara Koşullarında Hibrit Çerezlik Ayçiçeği (Helianthus annuus L.) Genotipinde Farklı Sıra Üzeri Aralıkları ve Azot Dozlarının Verim ve Verim Ögelerine Etkisi

Abstract

Bu araştırma, Ankara koşullarında uygulanan farklı sıra üzeri mesafe (20 cm, 30 cm ve 40 cm) ve azot dozlarının (0, 4, 8 ve 12 kg da-1) 03M142 hibrit çerezlik ayçiçeği genotipinde verim ve verim ögeleri üzerine etkilerini belirlemek amacıyla 2007 ve 2008 yıllarında yürütülmüştür. Deneme, tesadüf bloklarında bölünmüş parseller deneme desenine göre üç tekrarlamalı olarak kurulmuştur. Araştırmada, bitki boyu, tabla çapı, bin tane ağırlığı, kabuk oranı, bitkide tane verimi, hasat indeksi, dekara tane verimi, yağ oranı ve protein oranı özellikleri incelenmiştir.
Araştırma sonuçlarına göre, en uzun bitki boyu 157,2 cm ile 12 kg N da-1 dozunda, en yüksek dekara tane verimi ise ikinci yılda 20 cm sıra üzeri aralıkta 12 kg N da-1 uygulamasında 410,3 kg da-1 olarak elde edilmiştir. Sonuç olarak, sıra üzeri aralığın daralması ve bununla beraber azot dozlarının da artması verim artışına sebep olmuştur.

Keywords

Azot dozu, çerezlik ayçiçeği, sıra üzeri aralık, Nitrogen dose, confectionery sunflower, intra-row spacing

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