مطالعه اثر برهمکنش ‌‌علف‌کش و اسید هیومیک در کنترل آزولا به منظور افزایش عملکرد برنج (Oryza Sativa)

نوع مقاله: مقاله پژوهشی

نویسندگان

دانشجوی دکترا - دانشگاه آزاد شهر قدس

چکیده

در راستای افزایش عملکرد برنج در اثر برهمکنش ‌‌علف‌کش و اسید هیومیک در کنترل آزولا، آزمایشی در سال زراعی 1395 در استان مازندران (آمل) اجرا شد. آزمایش به صورت فاکتوریل و در قالب طرح بلوک­های کامل تصادفی با سه تکرار انجام شد. فاکتورهای آزمایشی شامل پنج سطح ‌‌علف‌کش (توفوردی SL72% (یو46 دیفلوئید)، بنسولفورون متیل DF60% (لونداکس)، بنتازون SL48% (بازاگران)، اکسادیارژل EC3% (تاپ استار) و شاهد عدم مصرف ‌‌علف‌کش) و سه سطح اسید هیومیک (12 لیتر در هکتار، 6 لیتر در هکتار و شاهد عدم مصرف اسید هیومیک) بود. نتایج نشان داد که اثر ساده کاربرد ‌‌علف‌کش و اسید هیومیک در تمام صفات مورد اندازه‌گیری معنی‌دار بود. همچنین تعداد پنجه در بوته، طول خوشه، وزن تر آزولا و عملکرد دانه، تحت تأثیر برهمکنش ‌‌علف‌کش و اسید هیومیک قرارگرفت به طوری‌که کمترین وزن تر آزولا‌ (33/115 گرم در متر مربع) در تیمار‌ اثر متقابل ‌‌علف‌کش اکسادیارژلو اسید هیومیک 12 لیتر در هکتار بود وبیشترین عملکرد دانه (6871 کیلوگرم در هکتار) نیز در این تیمار مشاهد شد.
 

کلیدواژه‌ها


عنوان مقاله [English]

The Interaction of Herbicide and Humic Acid on Azolla Control to Enhance the Yield of Rice (Oryza sativa)

نویسندگان [English]

  • Ehsan olah Jalili
  • Farnaz Ganj abadi
PhD student - University of city Qods
چکیده [English]

 
To increase the rice yield by the interaction of herbicides and humic acid on Azolla control, an experiment was conducted in Amol, Mazandaran, in 2016 as a factorial experiment in randomized complete block design with three replications. Treatments consisted of herbicides application in five levels: 2-4-D SL72%, Bensulfuron methyl DF60% (Londax), bentazon SL48% (Bazagran), Oxadiargyl EC3% (Top Star) and control, and humic acid at three levels: 12, 6 and 0 lit/h (control, no humic acid). The results of this study showed that the simple effect of application of herbicides and humic acid on all traits was significant. Also, tillers number, panicle length, Azolla weight and rice yield were affected by the interaction of herbicides and humic acid. The lowest Azolla weight (115.33 g m-2) was obtained by the interaction of Oxadiargyl and 12 litha˗¹humic acid, and the highest grain yield (6871 Kg ha˗¹) was also observed in the same treatment.

کلیدواژه‌ها [English]

  • Azolla
  • Oxadiargyl
  • Bensulfuron methyl
  • humic acid
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