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بررسی تأثیر پوششدهی بذر با عناصر ریزمغذی، تنظیمکنندهها و محرکهای رشد بر خصوصیات جوانهزنی و رشد گیاهچه چغندرقند رقم شکوفا | ||
| علوم و فناوری بذر ایران | ||
| مقاله 3، دوره 13، شماره 4 - شماره پیاپی 36، دی 1403، صفحه 31-49 اصل مقاله (804.31 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2024.359486.1444 | ||
| نویسندگان | ||
| محبوبه محمدی* 1؛ محمدحسن راشد محصل2؛ احسان نعمت الهی3 | ||
| 1دانشجوی دکتری علوم و تکنولوژی بذر، گروه اگروتکنولوژی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران. | ||
| 2استاد، گروه اگروتکنولوژی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران. | ||
| 3دانشجوی پسادکتری، گروه اگروتکنولوژی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران. | ||
| چکیده | ||
| این آزمایش به منظور بررسی تأثیر پوشش بذر با عناصر ریزمغذی، تنظیمکنندهها و محرکهای رشد بر خصوصیات جوانهزنی و رشد گیاهچه بذر چغندرقند، طراحی شد و در قالب طرح کاملأ تصادفی با چهار تکرار در سال 1400، در موسسه بذر و نهال رضوی تحت شرایط آزمایشگاهی و گلخانهای اجرا شد. تیمار-های این آزمایش، ترکیبات مختلف عناصر ریزمغذی، تنظیمکنندهها و محرکهای رشد که شامل 29 تیمار به همراه یک تیمار شاهد (بدون پوشش) بودند. نتایج نشان داد درصد جوانهزنی، سرعت جوانهزنی روزانه، ضریب سرعت جوانهزنی، طول ریشهچه و ساقهچه، وزن خشک ریشهچه و ساقهچه و شاخص طولی بنیه گیاهچه به طور معنیداری تحت تأثیر تیمارهای پوشش بذر قرار گرفت. به طور کلی، تیمار 21، شامل مواد عناصر ماکرو + عناصر میکرو + اسیدهیومیک + جیبرلیک اسید، با درصد جوانهزنی 97 درصد، شاخص طولی بنیه گیاهچه 87/13، ضریب آلومتریک 2232/0، به عنوان برترین تیمار، افزایش معنیداری نسبت به تیمار شاهد نشان داد. همچنین در بین تیمارهای مختلف پوشش بذر، تیمار 22 شامل عناصر میکرو + اسید-هیومیک + جیبرلیک اسید + کالوئن، با 95 درصد بیشترین درصد استقرار گیاهچه را به خود اختصاص داد. پوشش بذر با عناصر ریزمغذی، اسیدهیومیک و جیبرلیک اسید بیشترین تأثیر را در بهبود رشد و کیفیت گیاهچه و درصد جوانهزنی آن داشت. | ||
| کلیدواژهها | ||
| درصد جوانهزنی؛ پوششدارکردن بذر؛ عناصر غذایی؛ اسیدهیومیک؛ سرعت جوانهزنی | ||
| عنوان مقاله [English] | ||
| Investigating the effect of seed coating with micronutrient elements, regulators and growth stimulants on the characteristics of germination and growth of sugar beet seedlings of Cv. Shekoofa | ||
| نویسندگان [English] | ||
| Mahboobe Mohammadi1؛ Mohammad Hassan Rashed Mohassel2؛ Ehsan Neamatollahi3 | ||
| 1Ph.D. Student, Department of Agrotechnology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran. | ||
| 2Professor, Department of Agrotechnology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran. | ||
| 3Post Doc. Student, Department of Agrotechnology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran. | ||
| چکیده [English] | ||
| This experiment was designed to investigate the effect of seed coating with micronutrient elements, regulators and growth stimulants on the characteristics of germination and seedling establishment of sugar beet seeds, and in the form of a completely randomized design with four repetitions in the year 2020, in the Razavi Seed and Plant Institute was carried out under laboratory and greenhouse conditions. The treatments of this experiment were different combinations of micronutrient elements, regulators and growth stimulants which included 29 treatments along with a control treatment (without coating). The results showed that germination percentage, daily germination rate, germination rate coefficient, root and shoot length, root and shoot dry weight, and seedling root length index were significantly affected. Seed coating treatments were applied. In general, treatment 21, including macro elements + micro elements + humic acid + Gibberellic acid, with a germination percentage of 97%, seedling length index 13.87, allometric coefficient 0.2232, as the best treatment, increasing the mean You have a witness about the treatment. Also, among the different seed coating treatments, treatment 22, including microelements + humic acid + Gibberellic acid + kaolin, had the highest percentage of seedling establishment with 95%. Seed coating with micronutrients, humic acid and Gibberellic acid had the greatest effect on improving seedling growth and quality and germination percentage. | ||
| کلیدواژهها [English] | ||
| Germination percentage, seed coating, nutrients, humic acid, germination rate | ||
| مراجع | ||
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