Black cumin (Nigella sativa L.) Yield Affected by Irrigation and Plant Growth Promoting Bacteria
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 83
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شناسه ملی سند علمی:
JR_JJMPB-5-2_001
تاریخ نمایه سازی: 6 آذر 1402
چکیده مقاله:
This study was conducted to assess the effects of irrigation and plant growth promoting bactera on seed yield and qualitative characteristics of Black cumin (Nigella sativa L.) at the Experimental Station of the Research Institute of Forest and Rangeland, Damavan region, Iran. A split-plot experimental design, based on Randomized Complete Block Design (RCBD) with three replications, was used. Irrigation treatment at three levels (normal irrigation (control), irrigation terminated at the start of budding and irrigation terminated at the start of flowering) allocated in main plots and plant growth promoting bacteria treatment at four levels (non-inoculated, seed inoculated, spraying on the plant base at stem elongation stage and seed inoculated + spraying on the plant base at stem elongation stage) were arranged in sub-plots. Measured traits were consisted of harvest index, seed yield, essential oil, carvone and thymoquinon content. Results showed that the highest harvest index (۲۸.۲۰%) and seed yield (۷۲۲.۸۵ kg/ha) were obtained by normal irrigation. But, irrigation terminated at the start of budding caused the maximum essential oil (۰.۴۵%), carvone (۰.۰۱۸ mM) and thymoquinon content (۰.۰۲۱mM). Applying spraying plant growth promoting bacteria on the plant base at stem elongation stage and seed inoculated + spraying on the plant base at stem elongation stage caused highest seed yield (۶۱۱.۵۹ kg/ha) and thymoquinon content (۰.۰۱۹ mM). Maximum essential oil (۰.۴۵%) and carvone content (۰.۰۲۰ mM) was obtained by seed inoculation with plant growth promoting bacteria.
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نویسندگان
Mohammad Reza Haj Seyed Hadi
Department of Agronomy, Roudehen Branch, Islamic Azad University, Roudehen , Iran
Mohammad Taghi Darzi
Department of Agronomy, Roudehen Branch, Islamic Azad University, Roudehen , Iran
Gholamhossein Riazi
University of Tehran, Institute of Biochemistry and Biophysics, Tehran, Iran
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