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اثرتلقیح بذر با ازتوباکتر و آزوسپریلیوم و کاربرد لجنفاضلاب شهری بر ویژگیهای کمی و کیفی کلزا (Brassica napus L.) | ||
علوم و تحقیقات بذر ایران | ||
مقاله 7، دوره 4، شماره 4، اسفند 1396، صفحه 73-86 اصل مقاله (1.27 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22124/jms.2018.2519 | ||
نویسندگان | ||
مهدی طاهری اصغری1؛ سید محمدرضا احتشامی* 2؛ جعفر اصغری3؛ کاظم خاوازی4 | ||
1دانشجوی دکترای زراعت، دانشکده کشاورزی دانشگاه گیلان، رشت، ایران | ||
2دانشگاه گیلان | ||
3عضو هیئت علمی گروه زراعت و اصلاح نباتات , دانشگده علوم کشاورزی دانشگاه گیلان | ||
4عضو هیئت علمی موسسه تحقیقات خاک و آب- کرج | ||
چکیده | ||
به منظور بررسی اثر تلقیح بذر با باکتریهای ازتوباکتر و آزوسپریلیوم و کاربرد لجنفاضلاب شهری بر ویژگیهای کمی و کیفی گیاه کلزا آزمایشی طی سالهای زراعی 94-1393 و 95-1394 در اراضی شرکت آب و فاضلاب جنوب استان تهران انجام گرفت. آزمایش به صورت فاکتوریل در قالب طرح بلوکهای کامل تصادفی با سه تکرار اجرا شد. عوامل آزمایشی شامل تلقیح بذر کلزا (بدونتلقیح، تلقیح باAzotobacter choroccocum ، تلقیح با Azospirillum. Brasilense) و استفاده از لجنفاضلاب آبگیری شده (بدون کود نیتروژن و بدون استفاده از لجنفاضلاب، استفاده از کود شیمیائی نیتروژن، لجنفاضلاب10، 20 و 30 تن در هکتار بود. نتایج تحقیق نشان داد اثر تیمارهای تلقیح و لجنفاضلاب بر صفات وزن خشک ساقه، عملکرد زیستی، تعداد خورجین در بوته، تعداد دانه در خورجین، وزن هزار دانه، عملکرد دانه و درصد اسیداولئیک و لینولئیک در سطح احتمال یک درصد معنی دار بود. نتایج نشان داد بیشترین درصد روغن دانه کلزا از تیمار 10 تن لجنفاضلاب و بدون تلقیح (75/38 درصد ) بهدست آمد و بیشترین عملکرد روغن نیز از تیمار 30 تن لجنفاضلاب و تلقیح با باکتری ازتوباکتر با مقدار 77/932 کیلوگرم در هکتار بهدست آمد. نتایج نشان داد کاربرد لجنفاضلاب شهری در افزایش عملکرد کمی و کیفی کلزا موثر بوده و تلقیح با باکتری ازتوباکتر توانست اثر بهتری نسبت به باکتری آزوسپریلیوم بر صفات مورد بررسی از جمله عملکرد روغن و پروتئین داشته باشد | ||
کلیدواژهها | ||
اسید های چرب؛ عملکرد دانه؛ عملکرد روغن و پروتئین | ||
مراجع | ||
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