اثر اسید جیبرلیک و چینه‌سرمایی بر جوانه‌زنی بذر پسته (Pistacia vera L.) در جنگل‌ خواجه‌کلات خراسان رضوی

نوع مقاله : علمی - پژوهشی

نویسندگان

1 استادیار، گروه محیط‌زیست، دانشکده منابع طبیعی و کویرشناسی، دانشگاه یزد، یزد، ایران.

2 کارشناسی ارشد، جنگلداری، دانشکده منابع طبیعی، دانشگاه تهران، کرج، ایران.

3 دانشیار، گروه جنگلداری و اقتصاد جنگل، دانشکده منابع طبیعی، دانشگاه تهران، کرج، ایران.

4 استادیار، گروه جنگلداری، دانشکده کشاورزی و منابع طبیعی اهر، دانشگاه تبریز، اهر، ایران.

چکیده

این پژوهش با هدف بررسی اثر تیمارهای مختلف اسید جیبرلیک و چینه‌سرمایی بر جوانه‌زنی بذر پسته در جنگل پسته خواجه­کلات واقع در شمال شرقی کشور که به دو شهرستان سرخس و کلات تعلق دارد، انجام گرفته است. بدین منظور ابتدا بذرهای گونه پسته از 23 واحد شکل زمین موجود در منطقة مورد بررسی جمع‌آوری شد و سپس در آزمایشگاه بذر، هفت تیمار مختلف اسید جیبرلیک و چینه‌سرمایی در سه تکرار بر روی بذرها اعمال شد. بعد از انجام تیمارها صفاتی از قبیل ارزش جوانه‌زنی، درصد جوانه‌زنی، میانگین مدت جوانه‌زنی و سرعت رشد اندازه‌گیری شدند. با توجه به نتایج این پژوهش تیمارهای مختلف روی درصد جوانه‌زنی، ارزش جوانه‌زنی، میانگین مدت جوانه‌زنی و سرعت رشد بذر پسته اثر معنی‌داری داشته است (01/0p<). تیمارهای مربوط به چینه‌سرمایی، نسبت به تیمارهای اسید جیبرلیک، تأثیر بیشتری روی سرعت رشد، درصد و ارزش جوانه‌زنی بذر پسته داشته است و نیز بین تیمارهای چینه‌سرمایی، تیمار شش و هشت هفته تأثیر بیشتری بر جوانه‌زنی دارند. کمترین مقدار جوانه‌زنی در تیمار اسید جیبرلیک با غلظت 500 پی‌پی‌ام به­مدت 12 ساعت بود.

کلیدواژه‌ها

عنوان مقاله [English]

Effect of Gibberellic Acid and Stratification on Seed Germination of wild pistachio (Pistacia vera L.) in Khajeh Kalat Forest, Razavi Khorasan Province, Iran

نویسندگان [English]

  • Gholamhosein Moradi 1
  • Hadi Fadaei 2
  • Vahid Etemad 3
  • Sajad Ghanbari 4
1 Assistant Professor, Department of Environment, Faculty of Natural Resources & Desert studies, Yazd University, Yazd, I. R. Iran.
2 M.Sc. of Forestry, Department of Forestry and Forest Economic, Faculty of Natural Resources, University of Tehran, Karaj, I. R. Iran.
3 Associate Professor, Department of Forestry and Forest Economic, Faculty of Natural Resources, University of Tehran, Karaj, I. R. Iran.
4 Assistant Professor, Department of Forestry, Faculty of Agriculture and Natural Resources, University of Tabriz, Ahar, I. R. Iran.
چکیده [English]

Seed Germination of Pistachio is difficult naturally because of hard shell. Therefore, study and research on germination increasing of this species is very important. This study was conducted to investigate different treatments of gibberellic acid and stratification on seed germination of Pistachio (Pistacia vera) in Khajeh Kalat forest, which is located in the Serakhs and Kalat county in north west of Iran. To do so, Firstly seeds of Pistachio were collected from 23 land units of study area and after that, seven treatment of gibberellic acid and stratification in three replications were done on seeds. Then germination percent and speed, germination value and average time of germination were measured. Regarding to results of this study, there were significant relations between treatments and different factors of germination (p<0.01). Stratification treatments have more effects on germination compare to gibberellic acid. Also, Sixth and eighth weeks stratification have more effects on germination between other treatments. The lowest amount of germination was in 500 ppm acid gibberellic in 12 hours as well.

کلیدواژه‌ها [English]

  • Gibberellic Acid
  • Seed Germination
  • Stratification
  • viability
  • Wild Pistachio

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پژوهش و توسعه جنگل
دوره 4، شماره 3
آذر 1397
صفحه 319-330

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