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تأثیر پیری تسریع شده بر جوانه‌زنی و سایر مولفه‌های جوانه‌زنی بذر‌های حاصل از پرایمینگ گیاه مادری در ارقام لوبیای چیتی | ||
| علوم و فناوری بذر ایران | ||
| مقاله 10، دوره 6، شماره 1 - شماره پیاپی 11، خرداد 1396، صفحه 101-112 اصل مقاله (1.44 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2017.113242 | ||
| نویسندگان | ||
| فاطمه مهاجری* 1؛ محمود رمرودی2؛ منصور تقوائی3؛ محمد گلوی2 | ||
| 1دانشجوی دکترا، گروه زراعت، دانشکده کشاورزی، دانشگاه زابل، ایران. | ||
| 2عضو هیئت علمی، گروه زراعت، دانشکده کشاورزی، دانشگاه زابل، ایران. | ||
| 3عضو هیئت علمی، گروه زراعت، دانشکده کشاورزی، دانشگاه شیراز، ایران. | ||
| چکیده | ||
| پیری بذر یکی از مشکلات عمده در تولید محصولات زراعی است. به منظور بررسی تأثیر پیری تسریع‌شده بر جوانه‌زنی و سایر مولفه‌های جوانه‌زنی بذر‌های حاصل از پرایمینگ گیاه مادری در سه رقم لوبیا چیتی، آزمایشی بصورت فاکتوریل در قالب طرح بلوک کاملا تصادفی با سه تکرار درآزمایشگاه تحقیقاتی دانشکده کشاورزی دانشگاه شیراز اجرا شد. عامل‌های مورد بررسی مشتمل بر ارقام لوبیا چیتی در سه سطح شامل E9، E10 و خمین، پیری تسریع‌شده در دو سطح شامل پیری و شاهد و بذور بدست آمده از پرایمینگ بذور مادری کشت شده در مزرعه در 7 سطح شامل پلی اتیلن گلیکول 5 -بار در مدت 6 ساعت، کلرید پتاسیم 20 - میلی‌مولار در مدت 6 ساعت، کلرید کلسیم 15- میلی‌مولار در مدت 3 ساعت، کلرید سدیم 20- میلی‌مولار در مدت 6 ساعت، سالیسیلیک اسید 500 میلی‌گرم در لیتر در مدت 12 ساعت هیدرو‌پرایمینگ در مدت 12 ساعت و بدون پرایم (شاهد) بود. صفات درصد و سرعت جوانه‌زنی، وزن خشک گیاهچه، شاخص وزنی و طولی بنیه گیاهچه و انرژی جوانه‌زنی در روز نهم اندازه‌گیری شد. نتایج نشان داد که اثر متقابل پیری زودرس، پیش‌تیمار و رقم بر صفات جوانه‌زنی شامل درصد جوانه‌زنی، وزن خشک گیاهچه، شاخص وزنی و طولی بنیه و انرژی جوانه‌زنی در روز نهم در سطح یک درصد، اثر متقابل پیری زودرس و پرایمینگ بر سرعت جوانه‌زنی در سطح یک درصد و اثر متقابل پرایمینگ و رقم بر سرعت جوانه‌زنی و ضریب آلومتری در سطح پنج درصد معنی‌دار یود. تیمار پیری زودرس در مقایسه با شاهد صفات جوانه‌زنی کمتری را نشان داد. بیشترین درصد جوانه‌زنی و انرژی جوانه‌زنی در روز نهم در تیمار کلرید سدیم 6 ساعت و رقم E10، بیشترین وزن خشک گیاهچه، سرعت جوانه‌زنی و شاخص وزنی و طولی بنیه در تیمار کلرید کلسیم 3 ساعت و رقم E10 بدست آمد. نتایج نشان داد که با توجه به رقم و انتخاب مناسب پیش‌تیمار گیاه مادری، می‌توان انبارداری را بهبود بخشید و بذر‌هایی با قدرت بالاتر و زوال کمتر داشت. | ||
| کلیدواژه‌ها | ||
| تجزیه به مولفه؛ سرعت جوانه‌زنی؛ شاخص بنیه؛ ضریب آلومتری | ||
| عنوان مقاله [English] | ||
| The effect of accelerated aging on seed germination traits produced from treated mother plant in three bean cultivars | ||
| نویسندگان [English] | ||
| F. Mohajeri1؛ M. Ramroudi2؛ M. Taghvaei3؛ M. Galavi2 | ||
| 1PhD Student, Department of Agronomy, Faculty of Agriculture, Zabol University, Iran | ||
| 2Associate Professor, Department of Agronomy, Faculty of Agriculture, Zabol University, Iran. | ||
| 3Associate Professor, Department of Agronomy, Faculty of Agriculture, Shiraz University, Iran. | ||
| چکیده [English] | ||
| Seed senescence is one of the major problems in the production of crops. In order to evaluate the effect of accelerated aging on germination and other seed germination components produced from the treated mother plant in three bean cultivars, a factorial experiment was conducted in a randomized complete block design with three replications at the research laboratory of Faculty of Agriculture, Shiraz University. The factors were including pinto bean varieties at 3 levels includes E9, E10, and Khomain, accelerated aging at two levels includes accelerated aging and control, and the third factor was seeds produced from treated mother plant seed in the farm at 7 levels includes: polyethylene glycol (PEG) -5 bar at 6 hours, , potassium chloride (KCl) -20 mM at 6 hours, calcium chloride (CaCl2) - 15 mM at 3 hours, sodium chloride (NaCl) -20 mM at 6 hours, salicylic acid (C7H6O3) 500 mg per liter at 12 hours, distilled water at 12 hours and without pretreatment (Control). The percentage and rate of germination, seedling dry weight, weight and length vigor index and 9th day germination energy were measured. The result showed that the interaction between accelerated aging, pretreatment and variety on germination traits including germination percentage, seedling dry weight, weight and length vigor index and germination energy of the 9th day at 1 % level, interaction between accelerated aging and pretreatment on germination rate at 1 % level and interaction between pretreatment and variety on germination rate and coefficients of allometric at 5 % level were significant. Seed germination traits at accelerated ageing treatment was lower than control. The maximum germination percentage and germination energy of the 9th day was for sodium chloride at 6 hours and E10 variety, maximum seedling dry weight, germination rate and weight and length vigor index in calcium chloride (CaCl2) at 3 hours treatment and E10variety were detected. The result showed that according to the variety and selection of appropriate pretreatment of mother plant, it is possible to improve storage and have seeds with higher power and less deterioration. Seed senescence is one of the major problems in the production of crops. In order to evaluate the effect of accelerated aging on germination and other seed germination components produced from the treated mother plant in three bean cultivars, a factorial experiment was conducted in a randomized complete block design with three replications at the research laboratory of Faculty of Agriculture, Shiraz University. The factors were including pinto bean varieties at 3 levels includes E9, E10, and Khomain, accelerated aging at two levels includes accelerated aging and control, and the third factor was seeds produced from treated mother plant seed in the farm at 7 levels includes: polyethylene glycol (PEG) -5 bar at 6 hours, , potassium chloride (KCl) -20 mM at 6 hours, calcium chloride (CaCl2) - 15 mM at 3 hours, sodium chloride (NaCl) -20 mM at 6 hours, salicylic acid (C7H6O3) 500 mg per liter at 12 hours, distilled water at 12 hours and without pretreatment (Control). The percentage and rate of germination, seedling dry weight, weight and length vigor index and 9th day germination energy were measured. The result showed that the interaction between accelerated aging, pretreatment and variety on germination traits including germination percentage, seedling dry weight, weight and length vigor index and germination energy of the 9th day at 1 % level, interaction between accelerated aging and pretreatment on germination rate at 1 % level and interaction between pretreatment and variety on germination rate and coefficients of allometric at 5 % level were significant. Seed germination traits at accelerated ageing treatment was lower than control. The maximum germination percentage and germination energy of the 9th day was for sodium chloride at 6 hours and E10 variety, maximum seedling dry weight, germination rate and weight and length vigor index in calcium chloride (CaCl2) at 3 hours treatment and E10variety were detected. The result showed that according to the variety and selection of appropriate pretreatment of mother plant, it is possible to improve storage and have seeds with higher power and less deterioration. | ||
| کلیدواژه‌ها [English] | ||
| coefficient of allometric, component analysis, rate of germination, Vigor index | ||
| مراجع | ||
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