COMPETITION OF DIFFERENT DENSITIES OF WILD OATWITH SPRING WHEAT UNDER DIFFERENT NITROGEN LEVELS

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PARCHAMI P.; BEHDARVAND P.

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Journal: CROP PHYSIOLOGY Year:2009 | Volume:1 | Issue:3 Page(s): 81-88

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Title

COMPETITION OF DIFFERENT DENSITIES OF WILD OATWITH SPRING WHEAT UNDER DIFFERENT NITROGEN LEVELS

Author(s)

PARCHAMI P. | BEHDARVAND P. | Issue Writer Certificate

Keywords

WHEATQ3

WILD OATQ3

NITROGENQ2

COMPETITIONQ2

Abstract

In order to evaluate the competitive effects of WILD OAT with spring WHEAT under different NITROGEN levels, an experiment was conducted in 2008-09 in the research farm of Ahvaz Azad university. The experimentwasperformed in split– plot and in randomized complete block design with three replications in additive series.Main plots received NITROGEN fertilizer levels (90, 150, 210 kg net NITROGEN in per hectare) and sub – plots included WILD OAT at four densities (0, 25, 50, 75 plants/m2).Results showed that increasing WILD OAT density led to decreased biological and economical yield of WHEAT, that economic yield reduction was greater than biological yield. In control plot, increasing usage of NITROGEN caused an increase in grain yield of WHEAT; however at the present of WILD OAT, increasing NITROGEN application led to increase the damages of WILD OAT on grain yield of WHEAT. Seed production of WILD OAT was 38.69, 50.04 and 56.06 million seeds per hectare in low, optimum and high NITROGEN levels respectively. On the other hand, NITROGEN rates had a positive and significant effect on WILD OAT fecundity.

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APA: Copy

PARCHAMI, P., & BEHDARVAND, P.. (2009). COMPETITION OF DIFFERENT DENSITIES OF WILD OATWITH SPRING WHEAT UNDER DIFFERENT NITROGEN LEVELS. CROP PHYSIOLOGY, 1(3), 81-88. SID. https://sid.ir/paper/174399/en

Vancouver: Copy

PARCHAMI P., BEHDARVAND P.. COMPETITION OF DIFFERENT DENSITIES OF WILD OATWITH SPRING WHEAT UNDER DIFFERENT NITROGEN LEVELS. CROP PHYSIOLOGY[Internet]. 2009;1(3):81-88. Available from: https://sid.ir/paper/174399/en

IEEE: Copy

P. PARCHAMI, and P. BEHDARVAND, “COMPETITION OF DIFFERENT DENSITIES OF WILD OATWITH SPRING WHEAT UNDER DIFFERENT NITROGEN LEVELS,” CROP PHYSIOLOGY, vol. 1, no. 3, pp. 81–88, 2009, [Online]. Available: https://sid.ir/paper/174399/en

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