COMPARISON OF NITROGEN ECONOMY AMONG NEW AND OLD VARIETIES OF WHEAT IN LAST 38 YEARS IN GOLESTAN PROVINCE

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RAHEMI KARIZAKI A.; GALESHI S.; SOLTANI A.

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Journal: Crop Production Year:2014 | Volume:7 | Issue:3 Page(s): 17-32

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Title

COMPARISON OF NITROGEN ECONOMY AMONG NEW AND OLD VARIETIES OF WHEAT IN LAST 38 YEARS IN GOLESTAN PROVINCE

Author(s)

RAHEMI KARIZAKI A. | GALESHI S. | SOLTANI A. | Issue Writer Certificate

Keywords

NITROGEN USE EFFICIENCYQ2

NITROGEN UTILIZATION EFFICIENCYQ3

NITROGEN UPTAKE EFFICIENCYQ2

GRAIN PROTEIN CONCENTRATIONQ2

Abstract

In order to study the variation of NITROGEN USE EFFICIENCY (NUE) and associated traits with it, the field experiments were conducted at the Gorgan University of Agricultural Sciences Research Farm, Gorgan, Iran in the growing seasons of 2007-2008 and 2008-2009. The 16 cultivars which are released between 1968 and 2006 were sown in a randomized complete block design with three replications. The results showed that during breeding activities to improve wheat yield, NUE and NITROGEN UTILIZATION EFFICIENCY (NUtE) increased 0.28% and 0.31% per year, respectively; while NITROGEN UPTAKE EFFICIENCY (NUpE) was not changed. Since NUE divided into two components: NUtE and NUpE, most of the breeding effects on NUE were associated with change in NITROGEN UTILIZATION EFFICIENCY (NUtE). Also GRAIN PROTEIN CONCENTRATION (GPC) have been decreased 0.05 %. It appear that in studied cultivars, grain harvest index increased more rapidly than nitrogen harvest index. This problem can explain the decline of grain protein.

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APA: Copy

RAHEMI KARIZAKI, A., GALESHI, S., & SOLTANI, A.. (2014). COMPARISON OF NITROGEN ECONOMY AMONG NEW AND OLD VARIETIES OF WHEAT IN LAST 38 YEARS IN GOLESTAN PROVINCE. ELECTRONIC JOURNAL OF CROP PRODUCTION, 7(3), 17-32. SID. https://sid.ir/paper/135094/en

Vancouver: Copy

RAHEMI KARIZAKI A., GALESHI S., SOLTANI A.. COMPARISON OF NITROGEN ECONOMY AMONG NEW AND OLD VARIETIES OF WHEAT IN LAST 38 YEARS IN GOLESTAN PROVINCE. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2014;7(3):17-32. Available from: https://sid.ir/paper/135094/en

IEEE: Copy

A. RAHEMI KARIZAKI, S. GALESHI, and A. SOLTANI, “COMPARISON OF NITROGEN ECONOMY AMONG NEW AND OLD VARIETIES OF WHEAT IN LAST 38 YEARS IN GOLESTAN PROVINCE,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 7, no. 3, pp. 17–32, 2014, [Online]. Available: https://sid.ir/paper/135094/en

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