Improving Grain Yield, Protein Ratio and Nitrogen Use Efficiency of Durum Wheat (Triticum Durum Desf.) Hybrids Using Spad Meter as a Selection Criterion
Date
2019
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Abstract
Chlorophyll content can serve as a guide for nitrogen management in agricultural systems. Hence, the investigating leafchlorophyll in crops could be of benefit to boost production. The present study evaluated 15 different hybrids of durumwheat (Triticum durum Desf.) combinations in F F and F generations for nitrogen use efficiency (NUE), grain yield and 3, 4 5protein content using chlorophyll meter index (CCI) under three different nitrogen levels (0, 120 and 240 kg N/ha). Theresults showed that N levels significantly influenced the grain yield and quality traits of durum wheat genotypes, andaccordingly, SPAD readings could be used as an indirect selection criterion in durum wheat breeding to achieve thedesired production targets. Genetic correlations among grain yield, CCI, grain nitrogen yield (GNY) and protein werehigh in F generation under high nitrogen regimes. It was also observed that all the generations of Zenit × Menceki, 3Mersiniye × Menceki, Zenit × Mersiniye, Mersiniye × Spagetti and Spagetti × Menceki crosses have high yield potentialand yield stability. It was concluded that the evaluation of the segregation populations at different generations in the sameyear and selection in the later generations might make a significant contribution to reduce the costs.
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Biyoloji, Bahçe Bitkileri
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Source
International Journal of Agriculture, Environment and Food Sciences
Volume
3
Issue
3
Start Page
112
End Page
120