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بررسی آزمون جوانهزنی استاندارد برای پیشبینی وضعیت سبزشدن گیاهچههای عدس (Lens culinaris L.) در مزرعه دیم | ||
| علوم و فناوری بذر ایران | ||
| مقاله 16، دوره 8، شماره 1 - شماره پیاپی 15، تیر 1398، صفحه 213-225 اصل مقاله (759.97 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2018.115217.1126 | ||
| نویسندگان | ||
| ثمین لطفی1؛ مختار قبادی* 2؛ سعید جلالی هنرمند1؛ محمداقبال قبادی1 | ||
| 1گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه | ||
| 2گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران. | ||
| چکیده | ||
| معمولاً درصد و سرعت جوانه زنی بذر در آزمایشگاه با مزرعه به ویژه در شرایط دیم، متفاوت است. لذا به منظور بررسی آزمون جوانه زنی استاندارد برای پیشبینی وضعیت ظهور و استقرار گیاهچه عدس، دو آزمایش جداگانه در آزمایشگاه و مزرعه انجام شد. هشت توده بذر عدس دیم (شامل چهار رقم کیمیا، بیله سوار، قزوین و محلی با طول دوره انبارداری متفاوت) در آزمون جوانه زنی استاندارد در آزمایشگاه و مزرعه به صورت دیم کشت شدند و صفات مرتبط با بنیه گیاهچه (مثل سرعت سبزشدن گیاهچه، متوسط زمان لازم برای سبزشدن، میانگین سبزشدن روزانه و درصد سبزشدن نهایی گیاهچه) مورد ارزیابی قرار گرفتند. نتایج آزمون های آزمایشگاهی و مزرعه ای نشان دادند که توده های بذر از نظر خصوصیات مرتبط با بنیه بذر و گیاهچه اختلاف معنی دار داشتند. همبستگی بین صفات اندازه گیری شده در آزمون جوانه زنی استاندارد با آزمون مزرعه نشان داد که درصد جوانه زنی نهایی، درصد گیاهچه نرمال و میزان استفاده از ذخایر بذر همبستگی مثبتی با درصد سبز مزرعه داشتند. در ارتباط با سرعت سبز مزرعه نیز صفات میانگین جوانه زنی روزانه و سرعت جوانه زنی، همبستگی مثبت و معنی دار را نشان دادند. بنابراین به نظر می رسد با اندازه گیری صفات مذکور در آزمون جوانه زنی استاندارد می توان به پیش بینی وضعیت سبزشدن گیاهچه های عدس در مزرعه در شرایط دیم پرداخت. | ||
| کلیدواژه‌ها | ||
| استقرار گیاهچه؛ بنیه؛ توده بذر؛ سرعت جوانه زنی؛ همبستگی | ||
| عنوان مقاله [English] | ||
| Assessment of the standard germination test to predict seedling emergence of lentil (Lens culinaris L.) in rainfed farm | ||
| نویسندگان [English] | ||
| Samin Lotfi1؛ Mokhtar Ghobadi2؛ Saeid Jalali Honarmand1؛ mohammad Eghbal Ghobadi1 | ||
| 1Department of Agronomy and Plant Breeding, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran. | ||
| 2Department of Agronomy and Plant Breeding, Campus of Agriculture and Natural Resources, Razi university, Kermanshah, Iran. | ||
| چکیده [English] | ||
| Percentage and rate of seed germination in laboratory are usually different from field, especially under rainfed conditions. Therefore, to assessment of standard germination test to predict seedling emergence and establishment of lentil, two separate experiments were conducted under laboratory and farm conditions. Eight lentil seed lots (includes four cultivars Kimia, Bilesavar, Qazvin and Local with different storage periods) were evaluated by the standard germination test and the rainfed farm and some indices related to seedling emergence (includes seedling emergence rate, mean time to emergence, mean daily emergence and final emergence percentage) were measured. The results of the laboratory and the farm tests showed that the seed lots were different significantly in terms of seed and seedling vigor characteristics. The correlation coefficients illustrated that the final germination percentage, the normal seedling percentage and the seed storage usage in laboratory test had positive correlations with the seedling emergence percentage in the farm experiment. The mean daily germination and the germination rate in the laboratory test had the positive correlations with the seedling emergence rate in the farm test. So it seems that, the above mentioned traits in standard germination test can use to predict seedling emergence of lentil in rainfed farm. | ||
| کلیدواژه‌ها [English] | ||
| Correlation, Germination rate, Seed lot, Seedling establishment, Vigor | ||
| مراجع | ||
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