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اثر تیمارهای مختلف شکست خواب بر جوانه‌زنی بذر تلخ‌بیان | ||
| علوم و فناوری بذر ایران | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 27 آذر 1403 اصل مقاله (964.54 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2024.364188.1508 | ||
| نویسندگان | ||
| هادی کلانتری* 1؛ علی ایزدی دربندی2؛ اردشیر قادری3؛ سید احمد سادات نوری4؛ محمدرضا لبافی3؛ مریم اهوازی3 | ||
| 1گروه زراعی و اصلاح نباتات، دانشکدگان ابوریحان، دانشگاه تهران، ایران. | ||
| 2گروه علوم زراعی و اصلاح نباتات - پردیس ابوریحان دانشگاه تهران | ||
| 3مرکز تحقیقات گیاهان دارویی، پژوهشکده گیاهان دارویی جهاد دانشگاهی، ایران | ||
| 4گروه علوم زراعی و اصلاح نباتات- پردیس ابوریحان دانشگاه تهران | ||
| چکیده | ||
| تیره نیامداران دارای خواب بذر هستند که یک سازگاری تکاملی است که از جوانه‌زدن بذر در شرایط نامساعد اکولوژیک جلوگیری کرده و اهمیت زیادی در حفظ گونه‌های گیاهی دارد. به‌منظور بررسی اثر عوامل مختلف مکانیکی، هورمونی و فیزیکی بر شکست خواب بذر تلخ‌بیان، آزمایشی در قالب طرح کاملاً تصادفی در سه تکرار انجام گرفت. تیمارها شامل اسیدجیبرلیک، اسید‌سولفوریک، آب‌داغ و سرمای 4 درجه سلسیوس در دوره‌های زمانی مختلف بودند. نتایج نشان داد در مقایسه با جوانه‌زنی بسیارکم بذرهای تیمار نشده (0 تا 53 درصد)، کاربرد غلظت 75 درصد اسید سولفوریک به مدت 15 دقیقه، درصد جوانه‌زنی (5/95درصد) و رشد اولیه گیاه‌چه را بهبود داد. درصد جوانه‌زنی (93 درصد) در تیمار با آب داغ نسبت به نمونه شاهد (56 درصد)، معنی‌دار شد. تیمارهای آب‌داغ و اسید سولفوریک می‌توانند خواب بذر را در تلخ‌بیان رفع کنند. با توجه به شکست خواب بذر تلخ‌بیان در تیمارهای مورد آزمایش، می‌توان نتیجه گرفت که خواب بذر تلخ‌بیان از نوع مکانیکی و مربوط به خواص فیزیکی پوسته بذر می باشد. | ||
| کلیدواژه‌ها | ||
| اسید‌سولفوریک؛ پیش‌تیمار بذر؛ پیش‌سرمادهی؛ خواب بذر | ||
| عنوان مقاله [English] | ||
| The Effect of Different Dormancy Breaking Treatments on Germination of Sophora Seeds (Sophora alopecuroides L.) | ||
| نویسندگان [English] | ||
| Hadi Kalantari1؛ Ali Izady darbandi2؛ Ardeshir Qaderi3؛ Seyed Ahmad Sadat noori4؛ Mohammadreza Labbafi3؛ Maryam Ahvazi3 | ||
| 1Department of Agronomy and Plant Breeding Science, College of Aburaihan, University of Tehran, Tehran, Iran. | ||
| 2Department of Crop Science and Plant Breeding - Abu Reihan Campus, University of Tehran | ||
| 3Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran | ||
| 4Department of Crop Science and Plant Breeding - Abu Reihan Campus, University of Tehran. | ||
| چکیده [English] | ||
| The legume family has seed dormancy, which is an evolutionary adaptation that prevents seed germination in adverse ecological conditions and it is very important in preserving plant species. In order to study the effect of various mechanical, hormonal, and physical factors on the dormancy breaking of sophora seeds, an experiment was conducted in the form of a completely randomized design in three replications. The treatments included gibberellic acid, sulfuric acid, hot water, and cold at 4 degrees Celsius in different periods. The results showed that Compared to the very low germination of untreated seeds (0-53%), the application of 75% concentration of sulfuric acid for 15 minutes, improved the germination percentage (95.5%) and also the initial growth of the seedling. The percentage of germination (93%) in the treatment having hot water was significant compared to the control sample (56%). Compared to the very low germination of untreated seeds (0-53%), sulfuric acid (73-95.5%) and soaking in hot water (52-93%) were effective in germination. According to the dormancy failure of bitter gourd seeds in the tested treatments, it can be concluded that the dormancy of bitter gourd seeds is of a mechanical type and related to the physical properties of the seed coat. treatments of hot water and l sulfuric acid can remove seed dormancy in sophora. According to the breaking sophora seeds dormancy in the tested treatments, it can be concluded that the seed dormancy is of a mechanical type and related to the physical properties of the seed coat. | ||
| کلیدواژه‌ها [English] | ||
| Pre-cooling, Seed dormancy, Seed priming, Sulfuric acid | ||
| مراجع | ||
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