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بررسی اثر اسموپرایمینگ بر بهبود صفات جوانهزنی بذر در ژنوتیپهای گونه Salsola arbsculsa | ||
| علوم و فناوری بذر ایران | ||
| دوره 14، شماره 4 - شماره پیاپی 40، دی 1404، صفحه 97-111 اصل مقاله (1.1 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2025.367817.1548 | ||
| نویسندگان | ||
| شهرزاد تبیانیان1؛ حمیدرضا عسگری* 2؛ فرزانه بهادری3؛ محمدکیا کیانیان4؛ مریم شهبازی5 | ||
| 1دانشآموخته کارشناسی ارشد،گروه آموزشی مدیریت مناطق بیابانی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران. | ||
| 2دانشیار، گروه آموزشی مدیریت مناطق بیابانی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران. | ||
| 3استادیار، گروه آموزشی باغبانی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان سمنان، سمنان،ایران. | ||
| 4استادیار، گروه آموزشی مدیریت و کنترل بیابان، دانشکده کویرشناسی، دانشگاه سمنان، سمنان، ایران. | ||
| 5دانشیار، گروه آموزشی فیزیولوژی گیاهی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران. | ||
| چکیده | ||
| بهمنظور بررسی اثر پرایمینگ بر روی جمعیتهای گونه Salsola arbscula آزمایشی بهصورت فاکتوریل در قالب طرح کاملاً تصادفی با 3 تکرار در آزمایشگاه مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان سمنان اجرا شد. این آزمایش در 7 سطح شامل: تیمار شاهد (آب مقطر)، پرایمینگ بانمکهای کلرور سدیم و نیترات پتاسیم (تیمارهای 50، 100 و 150 میلیمولار) بر شش جمعیت ازاینگونه علف شور اعمال شد و جوانهزنی، بنیه بذر و رشد گیاهچهها موردبررسی قرار گرفت. نتایج نشان داد جمعیت تأثیر معنیداری بر روی همه صفات جوانهزنی داشت و پرایمینگ نیز تأثیرات معنیداری را در برخی از صفات نشان داد. اثر متقابل جمعیت و پرایمینگ نیز بر تمام صفات معنیدار بود. بیشترین میزان اثر متقابل جمعیت در پرایمینگ در صفات درصد جوانهزنی، شاخص بنیه بذر و سرعت جوانهزنی در ژنوتیپ 104 با 150 میلیمولار سدیم کلراید بود. نتایج این بررسی نشان داد پرایمینگ با نمک کلرور سدیم موجب بهبود وضعیت صفات جوانهزنی گیاه علف شور S. arbscula میشود و بین ژنوتیپهای بومی مورد بررسی ازنظر پاسخ به شوری و پرایمینگ تفاوت قابلتوجهی وجود دارد که این تنوع در مسیر مقابله با بیابانزایی و احیا و توسعه پوشش گیاهی مراتع میتواند موردتوجه قرار گیرد. | ||
| کلیدواژهها | ||
| کلمات کلیدی: چمن نمکی؛ پرایمینگ؛ تحمل به نمک؛ خوشه بندی k-means | ||
| عنوان مقاله [English] | ||
| Investigating the effect of osmopriming on improving seed germination traits in Salsola arbsculsa genotypes | ||
| نویسندگان [English] | ||
| Shahrzad Tebyanian1؛ Hamidreza Asgari2؛ Farzaneh Bahadori3؛ Mohammad Kia Kianian Golafshani4؛ Maryam Shahbazi5 | ||
| 1Master’s graduate, Department of Rangeland and Watershed Management,Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran. | ||
| 2Associate Professor, Department of Rangeland and Watershed Management, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran. | ||
| 3Assistant Professor, Department of Horticulture, Agricultural and Natural Resources Research and Education Center of Semnan Province, Semnan, Iran. | ||
| 4Assistant Professor, Department of Desert Management and Control, Faculty of Desert Studies, University of Semnan, Semnan, Iran. | ||
| 5Associate Professor, Department of Plant Physiology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran. | ||
| چکیده [English] | ||
| In order to investigate the effect of priming on populations of Salsola arbscula species, a factorial experiment was conducted in the form of a completely randomized design with 3 replications in the laboratory of the Research and Education Center for Agriculture and Natural Resources in Semnan Province. This experiment was carried out at 7 levels including: control treatment (distilled water), sodium chloride and potassium nitrate priming (treatments of 50, 100 and 150 mM) on six populations of this salt grass and germination, seed germination and seedling growth was investigated. The results showed that population had a significant effect on all germination traits and priming showed significant effects on all traits except germination percentage. The interaction effect of population and priming was also significant on all traits. The greatest amount of population interaction in priming was in the characteristics of germination percentage, seed germination index and seed accumulation rate in genotype 104 in salt at 150 mM sodium chloride. The result of k-mean clustering showed that genotypes 104 and 234 were placed in cluster one, genotype 228 in cluster two, and genotypes 224, 230 and 223 in cluster three. The results of this study showed that priming with sodium chloride improves the germination characteristics of S. arbscula, and there is a significant difference between the investigated native genotypes in terms of response to salinity and priming, and this variation is in the way of dealing with desertification, restoration and development. The vegetation of pastures can be considered. | ||
| کلیدواژهها [English] | ||
| salt grass, priming, salt tolerance, k-means clustering | ||
| مراجع | ||
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