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FARKLI YAĞIŞ KOŞULLARI ALTINDA YAYGIN FİĞ (Vicia sativa L.)'İN VERİM VE VERİMLE İLİŞKİLİ KARAKTERLERİNİN PATH ANALİZLERİ

PATH ANALYSES OF YIELD AND YIELD-RELATED TRAITS OF COMMON VETCH (Vicia sativa L.) UNDER DIFFERENT RAINFALL CONDITIONS

Journal Name:

  • Anadolu Tarım Bilimleri Dergisi

Publication Year:

  • 2006

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
This research was conducted to determine characters effecting seed yield in common vetch varieties by using simple correlation coefficient, path analysis and stepwise analysis under different rainfall conditions (high, middle and low; 707.9, 597.1, and 319.5 mm, respectively). The experiment design were randomized block design with three replications. Experiments were established in Çarşamba, Bafra and Gökhöyük in the growing season of 2003-2004. Seed yield was significantly correlated with harvest index and days to maturity in high and middle rainfall conditions. It was significantly correlated with all components except pod number and 1000-seed weight in low rainfall conditions. Harvest index and biologic yield had substantial direct effects on enhancement of seed yield under all rainfall conditions. Stepwise multiple regression analysis showed that 95.78 % of total variation in seed yield could be explained by the variation in biologic yield, pod number, days to maturity and harvest index in high rainfall conditions. It showed that 98.21 and 98.24 % of total variations in seed yield could be explained by the variation in biologic yield, pod number and harvest index in middle and low rainfall conditions respectively. Results suggest that harvest index and biologic yield are primary selection criteria for improving seed yield in common vetch in the high, middle and low rainfall conditions.
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Abstract (Original Language): 
Bu araştırma farklı yağış koşullarında (yüksek, orta ve düşük; sırasıyla 707.9, 597.1 ve 319.5 mm) korelasyon katsaysı, path ve stepwise analizleri kullanılarak yaygın fiğin tohum verimine etki eden karakterlerin belirlenmesi amacıyla yürütülmüştür. Denemeler tesadüf blokları deneme deseninde 3 tekrarlamalı olarak Çarşamba, Bafra ve Gökhöyük'te 2003-2004 yetiştirme peryodunda kurulmuştur. Yüksek ve orta yağış koşullarında tohum verimi hasat indeksi ve olgunlaşma gün sayısı ile önemli ilişki göstermiştir. Düşük yağış koşullarında ise tohum verimi bin tane ağırlığı hariç diğer tüm karakterlerle önemli derecede ilişkiye sahip olmuştur. Tüm yağış koşullarında hasat indeksi ve biyolojik verim tohum veriminin artmasına direkt olarak etki etmiştir. Stepwise analizi sonuçlarına göre, yüksek yağış koşullarında tohum verimine % 95.78 oranında biyolojik verim, bakla sayısı, olgunlaşma gün sayısı ve hasat indeksi etki ederken, orta yağış koşularında tohum verimine % 98.21 ve düşük yağış koşullarında % 98.24 oranında biyolojik verim, bakla sayısı ve hasat indeksi etki etmiştir. Yüksek, orta ve düşük yağış koşullarında yaygın fiğin tohum verimini artırmak için hasat indeksi ve biyolojik verim birincil derecede seleksiyon kriteri olarak kullanılabilir.
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  • 1
27-32
  • Turkish

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