fa ارزیابی اثر تغذیه گیاه مادری سویا (Glycine max) بر صفات کیفی بذر تحت آزمون پیری تسریع شده فیزیولوژی بذر Seed Physiology كاربردي Applicable <div style="text-align: justify;"><strong><span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">چکیده مبسوط</span></span></span></span></span></span></span></strong><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">&nbsp; <strong>مقدمه</strong>: ظرافت ساختاری و فیزیولوژیکی بذر سویا به عنوان یک شاخصه کیفی مهم در زراعت این گیاه شناخته می‌شود، ولی در عین حال مزمن‌ترین مشکلات کیفیت </span></span><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">بذر</span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">سویا، کاهش کیفیت بذر طی نگهداری و پیش از کشت می‌باشد</span></span><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">. لذا تأثیر برخی عناصر تغذیه‌ای بر پارامترهای کیفی بذر سویا تحت تنش پیری تسریع شده بررسی شد. </span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">&nbsp;<strong> مواد و روش‌ها</strong>: </span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">آزمایش طی دو سال متوالی (</span></span><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">1398-1399</span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">)</span></span> <span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">در مزارع تحقیقاتی دانشکده کشاورزی و منابع طبیعی دانشگاه لرستان</span></span> <span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">در قالب طرح بلوک‌های کامل تصادفی بررسی شد. تیمارهای تغذیه شامل مصرف نیتروژن و فسفر (به صورت خاک کاربرد) و آهن و مولیبدن به صورت محلول پاشی بودند. بذرها در مرحله رسیدگی برداشت شدند و وزن هزاردانه و مقاومت مکانیکی پوسته بررسی شد. پس از اعمال پیری تسریع شده بر بذرها، نشت مواد از بذر اندازه گیری و همچنین آزمون جوانه&shy; زنی استاندارد روی آنها اعمال شد.</span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">&nbsp;<strong>یافته‌ها</strong>: نتایج نشان داد که استفاده از عناصر غذایی بر تمامی صفات مورد مطالعه اثر معنی&shy;داری داشت؛ اما اثر سال تنها بر وزن هزار دانه و مقاومت مکانیکی پوسته بذر معنی&shy; دار بود. </span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">بیشترین میزان صفات مرتبط با کیفیت بذر مربوط به تیمار کامل کودی (</span></span><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">N-P-Fe-Mo</span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">) بود و پیری تسریع شده تأثیر منفی کمتری بر آن‌ها داشت.</span></span><span lang="FA" style="font-size:10.0pt"><span style="font-family:"B Nazanin""></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:"><strong>نتیجه&shy; گیری</strong>: </span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">در بین عناصر، نیتروژن و فسفر بیشترین اثر را بر شاخص‌های جوانه&shy; زنی داشتند و آهن و مولیبدن در رتبه‌های بعدی قرار گرفتند.</span></span> <span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">بذرهایی که دارای بنیه قوی بودند و تیمار کودی در آنها اعمال شده بود، کمتر تحت تأثیر پیری تسریع شده قرار گرفتند و </span></span><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">جوانه&shy; زنی بهتری داشتند. </span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">هر چه بنیه بذر ضعیف‌تر، نسبت به این تنش حساس‌تر بودند.</span></span><span lang="FA" style="font-size:10.0pt"><span style="font-family:"B Nazanin""></span></span></span></span></span></span></span><br> <br> <span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:"><strong>جنبه‌های نوآوری</strong>:</span></span></span></span></span></span></span></div> <ol> <li style="margin-right: 48px; text-align: justify;"><span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span style="font-size:10.0pt"></span><span lang="FA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">اثر تغذیه گیاه سویا بر صفات کیفیت بذر تحت آزمون پیری تسریع شده بر</span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">رسی گردید.</span></span></span></span></span></span></span></li> <li style="margin-right: 48px; text-align: justify;"><span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><span lang="FA" style="font-size:10.0pt"><span style="font-family:"B Nazanin""></span></span></span></span></span></span></span><span dir="RTL" lang="FA" style="font-size:10.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">اثر عناصر پر مصرف و کم مصرف بر جوانه‌زنی و کیفیت بذر سویا </span></span></span><span dir="RTL" lang="FA" style="font-size:10.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">بر</span></span></span><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">رسی گردید</span></span></span><span dir="RTL" lang="FA" style="font-size:10.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">. </span></span></span></li> </ol> <div style="text-align: justify;"><span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:220.5pt 243.0pt"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Extended Abstract</span></span></b><b><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span style="font-family:"B Nazanin""></span></span></b></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:220.5pt 243.0pt"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Introduction: S</span></span></b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">tructural and physiological delicacy of soybean seeds is known as an important quality indicator in the cultivation of this plant, but at the same time, the most chronic problems of soybean seed quality are the reduction of seed quality during storage and before sowing. The effect of some nutrients on the quality of soybean seeds under accelerated aging stress was investigated </span></span><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span style="font-family:"B Nazanin""></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:220.5pt 243.0pt"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Materials and Methods: </span></span></b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Experiments were conducted for two consecutive years (2019-2020) in the research field of Lorestan University, Faculty of Agriculture in a randomized complete block design. Nutritional treatments included nitrogen and phosphorus application (as soil application) and iron and molybdenum as foliar application. Seeds were harvested at the maturity stage and 1000-grain weight and seed coat resistance to mechanical damage was investigated. Following the exposure of seeds to accelerated aging, leakage from seeds and germination were measured.</span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Results:</span></span></b><b> </b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">The results showed that nutrition had a significant effect on all studied traits. However, the effect of year was only significant on 1000-seed weight and resistance to mechanical damage of seed coat. The highest number of traits related to seed quality was related to complete fertilizer treatment (N-P-Fe-Mo) and accelerated aging had a less negative effect on them.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Conclusion: </span></span></b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Among the nutrients, nitrogen and phosphorus had the most effect on germination indices, and iron and molybdenum were in the next ranks.</span></span> <span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">Seeds with strong vigor and treated with fertilizer were less affected by accelerated aging and had better germination. The lower the seed vigor, the more sensitive they were to this stress</span></span><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span b="" nazanin="" style="font-family:">.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:220.5pt 243.0pt"><span sans-serif="" style="font-family:Calibri,"><b><i><span dir="RTL" lang="AR-SA" style="font-size:10.0pt"><span style="font-family:"B Nazanin""></span></span></i></b></span></span></span></span></div> <pre dir="LTR" style="text-align: justify;"> <span style="font-size:10pt"><span style="font-family:Consolas"><b><i><span new="" roman="" style="font-family:" times="">Highlights</span></i></b> <span lang="AR-SA" dir="RTL" style="font-family:"B Nazanin""></span></span></span></pre> <ol> <li dir="LTR" style="margin-left: 8px; text-align: justify;"><span style="font-size:10pt"><span style="font-family:Consolas"><span new="" roman="" style="font-family:" times="">The effect of soybean nutrition on seed quality traits was investigated under the accelerated aging test.</span></span></span></li> <li dir="LTR" style="margin-left: 8px; text-align: justify;"><span style="font-size:10pt"><span style="font-family:Consolas"><span new="" roman="" style="font-family:" times="">The effects of macro- and micro- nutrients on the germination and quality of soybean seeds were investigated.</span></span></span></li> </ol> <div style="text-align: justify;"></div> زوال بذر, سویا, تغذیه کودی, کیفیت بذر Fertilizer nutrition, Seed deterioration, Seed quality, Soybean 147 161 http://yujs.yu.ac.ir/jisr/browse.php?a_code=A-10-573-1&slc_lang=fa&sid=1 Elham Latifinia الهام لطیفی نیا e.latifinia1392@gmail.com 4060114502 100319475328460011848 No Ph.D. Student of Crop Physiology, Department of Plant Production and Genetics, Lorestan University, Iran دانشجوی دکتری فیزیولوژی گیاهان زراعی، دانشکده کشاورزی، دانشگاه لرستان Hamid Reza Eisvand حمیدرضا عیسوند eisvand.hr@lu.ac.ir 100319475328460011849 100319475328460011849 Yes Professor of Crop Physiologist, Department of Plant Production and Genetics, Lorestan University, Iran استاد دانشکده کشاورزی، دانشگاه لرستان