Evaluation of effects of different urea top-dressing methods and foliar application of selenium on wheat under rain fed condition

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Konani m.; SAJEDI N.A.

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Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2018 | Volume:10 | Issue:32 Page(s): 37-48

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Title

Evaluation of effects of different urea top-dressing methods and foliar application of selenium on wheat under rain fed condition

Author(s)

Konani m. | SAJEDI N.A. | Issue Writer Certificate

Keywords

DroughtQ2

sodium seleniteQ1

relative water contentQ1

grain yieldQ2

Abstract

This experiment was carried out to investigate effects of foliar application of selenium and different Urea top-dressing methods on agronomic and physiological characteristics of rain fed wheat sardari cultivar during the growing season 2012-2013. Experimental factors were four levels of different Urea top-dressing methods (without application of Urea top-dressing; application of 60 kg/ha in tillering stage; application of 30 kg/ha in tillering stage combined with 200 mg/Lit before spike emergence; application of 20 kg/ha in tillering stage combined with 200 mg/Lit before spike emergence and 200 mg/Lit in the last spike emergence stage) and three levels of selenium (0, 5 and 10 mg/Lit). The results showed that the foliar application of selenium at 5 and 10 mg/lit decreased cell ion leakage by 6. 7% and 5. 3% compared to control, respectively. The application of 20 kg Urea/ha in the tillering stage combined with twice foliar application in reproductive stage at 200 mg/Lit along with foliar application of 10 mg/Lit selenium increased grain yield by 44. 3% compared to the control and 12% compared to treatment of application 60 kg Urea/ha in the tillering stage. It could be concluded that by applying of 30 kg Urea/ha in the tillering stage combined with once foliar application in reproductive stage can be decreased by 50% Urea fertilizer application and obtain optimum yield.

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APA: Copy

Konani, m., & SAJEDI, N.A.. (2018). Evaluation of effects of different urea top-dressing methods and foliar application of selenium on wheat under rain fed condition. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 10(32 ), 37-48. SID. https://sid.ir/paper/188554/en

Vancouver: Copy

Konani m., SAJEDI N.A.. Evaluation of effects of different urea top-dressing methods and foliar application of selenium on wheat under rain fed condition. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2018;10(32 ):37-48. Available from: https://sid.ir/paper/188554/en

IEEE: Copy

m. Konani, and N.A. SAJEDI, “Evaluation of effects of different urea top-dressing methods and foliar application of selenium on wheat under rain fed condition,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 10, no. 32 , pp. 37–48, 2018, [Online]. Available: https://sid.ir/paper/188554/en

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