اثر کودهای زیستی میکوریزا و ازتوباکتر بر خصوصیات کمّی و کیفی ارقام کلزا (Brassica napus L)

نوع مقاله : علمی پژوهشی

نویسندگان

1 دانشجوی دکتری، واحد بین المللی آیت الله آملی، دانشگاه آزاد اسلامی، آمل، ایران

2 استادیار گروه علوم کشاورزی دانشگاه پیام نور، تهران، ایران

3 استادیار گروه علوم کشاورزی، واحد بین المللی آیت الله آملی، دانشگاه آزاد اسلامی، آمل، ایران

4 استادیار پژوهش، بخش تحقیقات علوم زراعی و باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی لرستان، سازمان تحقیقات، آموزش و ترویج کشاورزی، خرم‌آباد، ایران

10.30495/jcep.2020.679068

چکیده

کاربرد کودهای زیستی به­منظور کاهش مصرف کودهای شیمیایی، از مهم­ترین راه­بردها در کشاورزی پایدار به­شمار می­رود. با هدف بررسی تأثیر کودهای زیستی میکوریزا و ازتوباکتر بر خصوصیات کمّی و کیفی ارقام کلزا، آزمایشی به­صورت فاکتوریل در قالب طرح بلوک­های کامل تصادفی در چهار تکرار در دو منطقه معتدل خرم­آباد و معتدل سرد الشتر لرستان اجرا گردید. عامل کود زیستی شامل کاربرد میکوریزا، کاربرد ازتوباکتر، کاربرد توأم میکوریزا و ازتوباکتر و عدم کاربرد کود زیستی (شاهد) و عامل رقم شامل ارقام گابریلا، نپتون، اکاپی و اکس­پاور بودند. نتایج نشان داد که میانگین عملکرد دانه در منطقه خرم­آباد به میزان 7/4265 کیلوگرم در هکتار و در منطقه الشتر به میزان 0/4168 کیلوگرم در هکتار به­دست آمدند. بیشترین عملکرد دانه و روغن به رقم گابریلا (به­ترتیب 7/4599 و 0/1923 کیلوگرم در هکتار) و کمترین آن به رقم اکاپی (به ترتیب 6/3849 و 0/1591 کیلوگرم در هکتار) در منطقه آزمایش تعلق داشتند. در میان سطوح کود زیستی، بیشترین عملکرد دانه و روغن به کاربرد توأم میکوریزا و ازتوباکتر (به­ترتیب 4/4408 و 0/1831 کیلوگرم در هکتار) و کمترین آن به عدم کاربرد کود زیستی (به­ترتیب 0/3973 و 1/1650 کیلوگرم در هکتار) مربوط بودند. در مجموع، با توجه به اثر متقابل سه­گانه عامل­ها، رقم گابریلا همراه با کاربرد توأم میکوریزا و ازتوباکتر برای منطقه معتدل سرد الشتر و رقم اکس­پاور همراه با کاربرد ازتوباکتر برای منطقه معتدل خرم­آباد و مناطق مشابه قابل توصیه هستند.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Mycorrhiza and Azotobacter Bio-Fertilizers on Quantitative and Qualitative Characteristics of Rapeseed (Brassica napus L.) Varieties

نویسندگان [English]

  • Zeinab Amanolahi Baharvand 1
  • Morteza Siavoshi 2
  • Yosoof Niknezhad 3
  • Hormoz Fallah Amoli 3
  • Masoud Rafiee 4
1 Ph.D. Student International Ayat-o-llah Amoli Branch, Islamic Azad University, Amol, Iran
2 Assistant Professor, Department of Agricultural Science, Payame Noor University, Iran
3 Assistant Professor, International Ayat-o-llah Amoli Branch, Islamic Azad University, Amol, Iran
4 Assistant Professor, Crop and Horticultural Science Research Department, Lorestan Agricultural and Natural Resources Research and Education Centre, AREEO, Khoramm Abad, Iran
چکیده [English]

Application of Bio-fertilizers are the most important sustainable strategies for reduction of chemical fertilizers. To study the effect of mycorrhiza and azotobacter bio-fertilizer on quantitative and qualitative characteristics of rapeseed cultivars, a factorial experiment based on a randomized complete block design with four replications were conducted in two temperate and semi temperate regions of Khorramabad and Aleshtar, Iran. The bio-fertilizer application consisted of application of mycorrhiza, application of azotobacter, combined application of mycorrhiza and azotobacter, and non-application of bio-fertilizer as control. Cultivars used in this study were: Gabriella, Nepton, X-Power and Okapi. Results showed that the average seed yields in two locations are 4265.7 and 4168.0 kg.ha-1 in Khorramabad and Aleshtar area, respectively. The highest seed and oil yields, were belonged to Gabriella (4599.7 and 1923.0 kg.ha-1, respectively) and the least to Okapi (3849.6 and 1591.0 kg.ha-1, respectively). The highest seed yield was attributed to the combined application of mycorrhiza and azotobacter (4408.0 and 1831.8 kg.ha-1, respectively) and the least to the non-use of biological fertilizers (3849.6 and 1650.1 kg.ha-1, respectively). As a whole, according to interaction of three factors, Gabriella cultivar with combined application of bio-fertilizers mycorrhiza and azotobacter and X-Power cultivar with azotobacter bio-fertilizer recommended to Khorramabad temperate region and Aleshtar semi temperate region, respectively.

کلیدواژه‌ها [English]

  • Combined application of bio-fertilizers
  • Gabriella
  • Grain yield
  • Oil yield
  • X-Power
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