EVALUATION OF YIELD, YIELD COMPONENTS, NITROGEN UPTAKE AND USE EFFICIENCY IN BREAD WHEAT (TRITICUM AESTIVUM L.) CULTIVARS

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KHALILZADEH GH.; ARSHAD Y.; REZAIY M.; EIVAZI A.

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Journal: JOURNAL OF RESEARCH IN CROP SCIENCES Year:2012 | Volume:4 | Issue:14 Page(s): 121-138

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Title

EVALUATION OF YIELD, YIELD COMPONENTS, NITROGEN UPTAKE AND USE EFFICIENCY IN BREAD WHEAT (TRITICUM AESTIVUM L.) CULTIVARS

Author(s)

KHALILZADEH GH. | ARSHAD Y. | REZAIY M. | EIVAZI A. | Issue Writer Certificate

Keywords

BIOLOGICAL YIELDQ2

GRAIN YIELDQ2

NITROGEN UPTAKE EFFICIENCYQ2

NITROGEN USE EFFICIENCYQ2

UREAQ2

Abstract

To evaluate the yield, yield components, NITROGEN USE EFFICIENCY and nitrogen uptake on wheat cultivars, a split plot experiment was carried out in 2007-2008 at Moghan Agricultural Research Center, with 2 main plots of nitrogen levels (0 and 200 kg/ha) and 20 genotypes as sub plots with 3 replications. Results of analysis of variance in nitrogen effects showed significant difference for harvest index, grain nitrogen yield, and stable nitrogen yield and NITROGEN UPTAKE EFFICIENCY. Results showed that in GRAIN YIELD, BIOLOGICAL YIELD, thousand kernel weight, grain nitrogen yield, stable nitrogen yield, NITROGEN USE EFFICIENCY and NITROGEN UPTAKE EFFICIENCY were influenced by genotypes. Genotype×nitrogen interaction influenced on GRAIN YIELD, thousand-kernel weight, tiller number and NITROGEN USE EFFICIENCY at (P<0.05) and for NITROGEN UPTAKE EFFICIENCY, grain nitrogen yield and stable nitrogen yield at (P<0.01).Mean comparison for GRAIN YIELD showed cultivars Gobustan, Girmizigul-1 from Azerbaijan and Koohdasht and Chamran from Iran as the highest GRAIN YIELD. Mean NITROGEN UPTAKE EFFICIENCY and use efficiency were 47.5% and 17% respectively. The highest NITROGEN USE EFFICIENCY observed to Gobustan and Koohdasht and Moghan-3 and Gobustan had maximum NITROGEN UPTAKE EFFICIENCY. Cluster analysis for nitrogen use and uptake efficiency, nitrogen responsible, grain and stable nitrogen yield grouped genotypes 3 clusters with different separate characters. The high, low and medium nitrogen use and uptake clusters. Selection of parents from cluster one, same as Koohdasht (high nitrogen use and uptake efficiency) and cluster three same as Nurlu-99 (low nitrogen use and uptake efficiency) will be beneficial for a crossing block design. In order to create new high nitrogen uptake, existing genetic diversity between cultivars of different and far clusters, in a hybrid program will be useful.

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APA: Copy

KHALILZADEH, GH., ARSHAD, Y., REZAIY, M., & EIVAZI, A.. (2012). EVALUATION OF YIELD, YIELD COMPONENTS, NITROGEN UPTAKE AND USE EFFICIENCY IN BREAD WHEAT (TRITICUM AESTIVUM L.) CULTIVARS. JOURNAL OF RESEARCH IN CROP SCIENCES, 4(14), 121-138. SID. https://sid.ir/paper/168069/en

Vancouver: Copy

KHALILZADEH GH., ARSHAD Y., REZAIY M., EIVAZI A.. EVALUATION OF YIELD, YIELD COMPONENTS, NITROGEN UPTAKE AND USE EFFICIENCY IN BREAD WHEAT (TRITICUM AESTIVUM L.) CULTIVARS. JOURNAL OF RESEARCH IN CROP SCIENCES[Internet]. 2012;4(14):121-138. Available from: https://sid.ir/paper/168069/en

IEEE: Copy

GH. KHALILZADEH, Y. ARSHAD, M. REZAIY, and A. EIVAZI, “EVALUATION OF YIELD, YIELD COMPONENTS, NITROGEN UPTAKE AND USE EFFICIENCY IN BREAD WHEAT (TRITICUM AESTIVUM L.) CULTIVARS,” JOURNAL OF RESEARCH IN CROP SCIENCES, vol. 4, no. 14, pp. 121–138, 2012, [Online]. Available: https://sid.ir/paper/168069/en

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