EFFECT OF NITROGEN FERTILIZER AMOUNTS ON PATTERN OF ASSIMILATE REDISTRIBUTION AND GRAIN YIELD IN DURUM AND BREAD WHEAT GENOTYPES IN AHVAZ CONDITIONS

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ENAYAT A.; LACK SH.; MODHEJ A.

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Paper Information

Journal: JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES) Year:2012 | Volume:3 | Issue:4 Page(s): 400-408

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Title

EFFECT OF NITROGEN FERTILIZER AMOUNTS ON PATTERN OF ASSIMILATE REDISTRIBUTION AND GRAIN YIELD IN DURUM AND BREAD WHEAT GENOTYPES IN AHVAZ CONDITIONS

Author(s)

ENAYAT A. | LACK SH. | MODHEJ A. | Issue Writer Certificate

Keywords

ASSIMILATES REMOBILIZATIONQ3

GENOTYPEQ2

GRAIN YIELDQ2

NITROGENQ2

WHEATQ2

Abstract

In order to study the effect of different amounts of NITROGEN (N) on GRAIN YIELD (GY) and the pattern of assimilate redistribution (AR) to grain in durum and bread WHEAT GENOTYPEs, a field experiment was conducted in Ahvaz conditions. The experimental site had a moderate winter and dry, hot summer. The experiment was coducted as split-plot in the basis of randomized completely blocks design with three replications. The N application amounts were (50, 100 and 150 Kg.ha-1) assigned in the main-plots. Sub-plots consisted of six bread and durum WHEAT GENOTYPEs. The results indicated that the effect of GENOTYPEs and N treatments on GY, AR, current photosynthesis (CP) and flag leaf area index (FLAI) was significant. The highest AR was belonged to Star GENOTYPE and 150 kg.ha-1 NITROGEN application and the lowest was in D-84-5 and 50 kg.ha-1 NITROGEN consumption. The highest CP was in D-84-5 when 150 kg.ha-1 NITROGEN was used. The highest GY was in Chamran cv. Under 150 kg.ha-1 NITROGEN application, the lowest GY was belonged to Vree/Nak under 50 kg.ha-1 NITROGEN treatment. The results also showed that the highest and lowest FLAI were in 150 and 50 kg.ha-1 NITROGEN, respectively. The effect of GENOTYPEs on dry matter (DM) at anthesis stage was significant. Karkhe and D-84-5 GENOTYPEs had the highest and lowest DM respectively. There was positive and significant correlation between GY, AR, DM and FLAI. It seems that, under Ahvaz conditions, using 150 kg.ha-1 NITROGEN for Chamran cultivar is advisable.

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APA: Copy

ENAYAT, A., LACK, SH., & MODHEJ, A.. (2012). EFFECT OF NITROGEN FERTILIZER AMOUNTS ON PATTERN OF ASSIMILATE REDISTRIBUTION AND GRAIN YIELD IN DURUM AND BREAD WHEAT GENOTYPES IN AHVAZ CONDITIONS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), 3(4), 400-408. SID. https://sid.ir/paper/182192/en

Vancouver: Copy

ENAYAT A., LACK SH., MODHEJ A.. EFFECT OF NITROGEN FERTILIZER AMOUNTS ON PATTERN OF ASSIMILATE REDISTRIBUTION AND GRAIN YIELD IN DURUM AND BREAD WHEAT GENOTYPES IN AHVAZ CONDITIONS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES)[Internet]. 2012;3(4):400-408. Available from: https://sid.ir/paper/182192/en

IEEE: Copy

A. ENAYAT, SH. LACK, and A. MODHEJ, “EFFECT OF NITROGEN FERTILIZER AMOUNTS ON PATTERN OF ASSIMILATE REDISTRIBUTION AND GRAIN YIELD IN DURUM AND BREAD WHEAT GENOTYPES IN AHVAZ CONDITIONS,” JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), vol. 3, no. 4, pp. 400–408, 2012, [Online]. Available: https://sid.ir/paper/182192/en

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