اثرات محلول پاشی آهن و اسید هیومیک بر عملکرد و اجزای عملکرد اکوتیپ های گندم سرداری در شرایط دیم

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش آموخته کارشناسی ارشد زراعت، دانشگاه کردستان، سنندج، ایران

2 دانشیار گروه زراعت و اصلاح نباتات دانشگاه کردستان، سنندج، ایران

3 استادیار گروه زراعت و اصلاح نباتات دانشگاه کردستان، سنندج، ایران

چکیده

به‌منظور مطالعه اثر محلول‌پاشی آهن و اسید هیومیک بر عملکرد و اجزای عملکرد اکوتیپ های گوناگون گندم سرداری، آزمایشی در سال زراعی 92-1391 در مزرعه تحقیقاتی دانشگاه کردستان واقع در شهرستان دهگلان اجرا گردید. آزمایش به‌صورت طرح اسپلیت اسپلیت پلات با سه فاکتور در سه تکرار انجام شد. فاکتور اصلی دربرگیرنده رقم آذر 2 و اکوتیپ های گندم سرداری در چهارده سطح (رقم آذر 2 به‌عنوان شاهد و اکوتیپ های ریژاو، خوشاب، تودار، باغچه مریم، تازه‌آباد، تلوار، قطره زمین، صوفیان، آویهنگ، سی ‌و سه مرده، بهارسبز، گاودره و کلاته گندم سرداری)، زمان محلول­پاشی به‌عنوان فاکتور فرعی در دو سطح (پیش از گلدهی، پس از گلدهی) و نوع محلول­پاشی به‌عنوان فاکتور فرعی در چهار سطح (بدون محلول‌پاشی، محلول‌پاشی آهن، محلول‌پاشی اسید هیومیک، محلول‌پاشی مخلوط اسید هیومیک و آهن) در نظر گرفته شد. نتایج نشان داد در میان اکوتیپ های موردمطالعه اکوتیپ تودار محلول‌پاشی شده با اسید هیومیک با عملکرد 403 گرم در مترمربع دارای بیش­ترین عملکرد بود. کم­ترین عملکرد دانه مربوط به اکوتیپ گاودره در تیمار محلول‌پاشی پیش از گلدهی با 132 گرم در مترمربع بود که با اکوتیپ ریژاو در محلول­پاشی پیش و پس از گلدهی و گاودره در تیمار محلول­پاشی پس از گلدهی اختلاف معنی­داری نداشت.

کلیدواژه‌ها

عنوان مقاله [English]

Effects of foliar application of humic acid and iron on yield and yield components of Sardari wheat ecotypes under dryland condition

نویسندگان [English]

  • Nasrin Teimoori 1
  • Gholamreza Heidari 2
  • Farzad Hosseinpanahi 3
  • Adel Siosemardeh 2
  • Yousef Sohrabi 2
1 M.Sc of Agronomy, University of Kurdistan, Sanandaj, Iran
2 Associate Professor, Department of Agronomy and Plant Breeding, University of Kurdistan, Sanandaj, Iran
3 Assistant Professor, Department of Agronomy and Plant Breeding, University of Kurdistan, Sanandaj, Iran
چکیده [English]

In order to study the effects of iron and humic acid foliar spraying on yield and yield components of Sardari wheat ecotypes an experiment was conducted in Research Farm of Kurdistan University during growing season 2012-2013. This experiment carried out as split-split plot based on complete randomized block design with three factors and three replications. The studied factors included: ecotypes of Sardari (Ryzhav, Khoshab, Todare, Baghche Maryam, Tazeh Abad, Taluoar, GhatrehZamin, Sofian, Avihang, Siosemardeh, Baharsabz, Gavdarreh and Kalateh) and Azar2 at 14 levels were assigned to the main plots, spraying time in two levels (before and after flowering) were allocated to sub plots, and foliar application at four levels (control, humic acid, iron and humicacid+iron) were placed in sub-sub plots. Results showed among ecotypes, Toodar sprayed with humic acid had the highest yield of 503 gr.m-2. The lowest grain yield belonged to Gavdarreh ecotype with foliar spraying before flowering at the rate of 132 gr.m-2 that had no significant difference with Ryzhav ecotype in spraying before and after flowering and Gavdarreh in foliar spraying after flowering.

کلیدواژه‌ها [English]

  • Azar2
  • micronutrients
  • Dryland farming
  • spraying time
  • thousand seed weight

مراجع

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