تاثیر میدان مغناطیسی و اسموپرایمینگ بر جوانه‌زنی و رویش بذر بنه

نویسندگان

1 گروه جنگل­ شناسی و اکولوژی جنگل، دانشکده علوم جنگل، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران

2 گروه باغبانی، دانشکده تولیدات گیاهی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران

3 گروه ماشین آلات کشاورزی، دانشکده مهندسی آب و خاک، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران

چکیده
تحقیق حاضر با هدف بهبود شاخص‌های جوانه‌زنی و عملکرد اولیه بذر بنه با بررسی تأثیر احتمالی میدان مغناطیسی و همچنین تیمارهای بهبود دهنده اسموپرایمینگ به‌صورت همزمان انجام‌شده است. 10 سطح تیمار مغناطیسی شامل 10، 20 و 30 میلی تسلا به مدت 5، 15، 25 دقیقه و تیمار شاهد (بدون قرار گرفتن در معرض میدان مغناطیسی) در سه تکرار انجام و بهترین سطح مغناطیس انتخاب شد. نتایج نشان داد که قرار دادن بذر در معرض میدان موجب افزایش طول ساقه ­چه، ریشه­ چه و طول کل گیاهچه، وزن تر و خشک ساقه­ چه، ریشه­ چه و سرعت جوانه‌زنی­ نسبت به تیمار شاهد می­شود ولی بر درصد جوانه‌زنی و یکنواختی بذرها تأثیر معنی‌داری ندارد. بذرهای قرارگرفته در معرض میدان مغناطیسی با تیمار انتخابی برتر (10 میلی تسلا به مدت 15 دقیقه) با محلول‌های نیترات پتاسیم، هیومیک­ اسید و سالیسیلیک ­اسید در سطوح 10، 25 و 40 میلی ­مولار و تیمار شاهد (بهترین سطح میدان مغناطیسی) در سه تکرار پیش تیمار شدند. بهترین نتایج از هیومیک اسید (25 میلی­مولار) به­دست آمد. با توجه به هزینه پایین خرید و یا ساخت دستگاه مغناطیس کننده و آثار مثبت آن پیشنهاد می ­شود تا به‌منظور بالا بردن کیفیت نهال‌های تولیدی بنه از این تیمار (10 میلی تسلا به مدت 15 دقیقه) به‌صورت مشترک با هیومیک اسید (25 میلی مولار) استفاده شود.


کلیدواژه‌ها


عنوان مقاله English

The effects of magnetism and osmopriming on seed germination and vegetative characteristics of Pistacia atlantica

نویسندگان English

Vahide Payamenoor 1
Akram Hasani Satehi 1
Sadegh Atashi 2
Abbas Rezaii Asl 3
1 Department of Forest Ecology and Silviculture, Faculty of Forest Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
2 Department of Horticulture, Faculty of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
3 Department of Agricultural Machinery, Faculty of Water and Soil Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
چکیده English

The present study aimed to increase the seed germination and the initial performance of pistachio seeds by investigating the effects of the magnetic field and osmopriming treatments simultaneously. 10 treatment levels of 10, 20 and 30 mT for 5, 15, 25 minutes and 1 control treatment (without exposure to a magnetic field) were performed in three replicates and the best level of magnetic surface was selected. The results showed that seeds subjected to the magnetic field showed an increase in plumule length, radicle length, total length of seedlings, fresh and dry weight of plumule as well as radicle and germination speed compared with the control treatment. However, there was no significant difference in the germination percentage and uniformity of seeds. Magnetized seeds, with the superior selective treatment (10 mT for 15 minutes), were primed with solutions of potassium nitrate, humic acid and salicylic acid at levels of 10, 25 and 40 mM and a control level (the best level of magnetism) in three replicates. The best result was obtained from humic acid (25 mM). With regard to the low cost of the purchase or construction of magnetic devices and their positive effects, their application could be recommended (10 mT for 15 minutes) combined with the humic acid (25 mM)) so that the quality of pistachio seedlings production would be increased.

کلیدواژه‌ها English

humic acid
millitesla
potassium nitrate
salicylic acid
seed initial performance
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  • تاریخ دریافت 18 خرداد 1405
  • تاریخ انتشار 18 خرداد 1405