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بررسی خصوصیات جوانهزنی و قابلیت ماندگاری بذور یونجه در شرایط مختلف انبارداری | ||
| علوم و فناوری بذر ایران | ||
| مقاله 2، دوره 9، شماره 3 - شماره پیاپی 19، آذر 1399، صفحه 27-44 اصل مقاله (1.03 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2019.125455.1261 | ||
| نویسندگان | ||
| شعله بهرامی1؛ مهدی تاج بخش2؛ اسماعیل رضائی چیانه* 3 | ||
| 1دانشآموخته کارشناسی ارشد علوم و تکنولوژی بذر، دانشکده کشاورزی، دانشگاه ارومیه | ||
| 2استاد گروه زراعت، دانشکده کشاورزی، دانشگاه ارومیه | ||
| 3استادیار گروه زراعت، دانشگاه ارومیه، | ||
| چکیده | ||
| بهمنظور ارزیابی خصوصیات جوانهزنی و قابلیت ماندگاری بذور یونجه ذخیره شده در شرایط مختلف انبارداری آزمایشی بهصورت فاکتوریل در قالب طرح کاملاً تصادفی در آزمایشگاه تحصیلات تکمیلی گروه زراعت دانشگاه ارومیه انجام گردید. آزمایش شامل رطوبت نسبی در شش سطح (50، 60، 70، 80 و 90 درصد) و شاهد (رطوبت اتاق) و مدت زمان نگهداری (0، 1، 2، 3، 4، 5، 6، 7، 8، 9 و 10 ماه) با سه تکرار انجام گردید. صفات مورد بررسی شامل شاخصهای جوانهزنی، شاخصهای رشد گیاهچه، بنیه بذر و قابلیت انبارداری بذور بود. نتایج نشان داد که تمام شاخصهای جوانهزنی تحت تأثیر رطوبت نسبی و مدت زمان انبارداری قرار گرفتند. اثر متقابل رطوبت در مدت زمان انبارداری بهجز یکنواختی جوانهزنی بر تمام شاخصهای مورد بررسی معنیدار بود. بیشترین درصد جوانهزنی در شرایط شاهد (9/96 درصد) بود که بعد از 10 ماه انبارداری به 4/79 درصد رسید. افزایش رطوبت انبار موجب کاهش معنی داری در ضریب و یکنواختی جوانهزنی شد. سرعت جوانهزنی در ماه اول با میانگین 071/0 جوانه در روز، بالاترین مقدار بود که در رطوبت نسبی 90 درصد در 10 ماه بعد از انبارداری به میانگین 018/0 جوانه در روز کمترین مقدار را به خود اختصاص داد | ||
| کلیدواژهها | ||
| درصد جوانهزنی؛ رطوبت نسبی؛ قابلیت انبارداری؛ وزن خشک گیاهچه | ||
| عنوان مقاله [English] | ||
| Evaluation of germination characteristics and durability of qareh alfalfa seeds under different storage conditions | ||
| نویسندگان [English] | ||
| sholeh bahrami1؛ Mehdi Tajbakhsh2؛ Esmaeil Rezaei-chiyaneh3 | ||
| 1Master of Science in Seed Technology, Faculty of Agriculture, Urmia University | ||
| 2Professor, Department of Agronomy, Faculty of Agriculture, Urmia University | ||
| 3Assist. Prof., Dept. of Agronomy and Plants Breeding, Faculty of Agriculture, Urmia University, Urmia, Iran. | ||
| چکیده [English] | ||
| In order to evaluate germination characteristics and shelf life of alfalfa seeds stored in different storage conditions, a factorial experiment was conducted in a completely randomized design in a graduate laboratory of Urmia University of Agriculture. The experiments included relative humidity in six levels (50, 60, 70, 80 and 90 %) and control (room humidity) and storage duration (0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 months) with three replications. The studied traits included germination indices, seedling growth indices, and seed vigor and storage capability of seeds. The results showed that all germination indices were affected by relative humidity and storage duration. The interaction between moisture and storage duration was significant except for germination uniformity on all indices. The highest germination percentage was obtained in the control conditions (96.9 %), which reached 79.4 after 10 months of storage. Increasing the moisture content of the storage caused a significant decrease in the coefficient and uniformity of germination. The germination rate was the highest in the first month with the average of 0.071 per day, which had the lowest in 90 % relative humidity in the 10 months after storage to the average of 0.018 germs per day. | ||
| کلیدواژهها [English] | ||
| Germination percentage, Relative humidity, Storage capability, Seedling dry weight | ||
| مراجع | ||
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