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اثر مبدأ بذر و درخت مادری بر رشد و استقرار اولیة بلوط ایرانی (Quercus brantii) در یاسوج | ||
| نشریه جنگل و فرآورده های چوب | ||
| مقاله 6، دوره 66، شماره 4، اسفند 1392، صفحه 427-439 اصل مقاله (380.25 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jfwp.2014.36659 | ||
| نویسندگان | ||
| خالد کریمی1؛ رقیه ذوالفقاری* 2؛ سهراب الوانی نژاد3؛ پیام فیاض2 | ||
| 1دانشجوی کارشناسی ارشد جنگل‌داری دانشگاه یاسوج، یاسوج، ایران | ||
| 2عضو هیئت علمی دانشکدة کشاورزی و پژوهشکدة منابع طبیعی دانشگاه یاسوج، یاسوج، ایران | ||
| 3عضو هیئت علمی دانشکدة کشاورزی و پژوهشکدة منابع طبیعی دانشگاه یاسوج، یاسوج، ایران | ||
| چکیده | ||
| چکیده این تحقیق به‌‌منظور بررسی تأثیر مبدأ بذر گونة بلوط ایرانی بر صفات مورفولوژیک بذر و پارامتر‌‌های رویشی و زنده‌مانی نهالهای گونة بلوط ایرانی در عرضهای جغرافیایی مختلف زاگرس انجام شد. درختان مادری از سه رویشگاه زاگرس شمالی (بانه)، زاگرس میانی (خرمآباد)، و زاگرس جنوبی (یاسوج) انتخاب شدند و بذر آن‌ها در قالب طرح کاملاً تصادفی در یاسوج در زمین زراعی کاشته شد. سپس، صفات مورفولوژیک بذر و پارامتر‌‌های رویشی نهال، مانند ارتفاع، قطر یقه، تعداد برگ، و حجم در خرداد و مهر و زنده‌مانی نهال اندازهگیری شد. نتایج آنالیز واریانس نشان داد که در رویشگاههای مذکور تمام صفات مورفولوژی بذر، به‌جز قطر در 1/0 ابتدایی و تعداد در یک کیلوگرم بذر، اختلاف معنیداری با هم دارند. عرضهای جغرافیایی بالا بیشترین قطر، قطر ناف، حجم بذر، و کمترین طول و نسبت طول به قطر را داشتند. صفات رویشی و زنده‌مانی نهالهای حاصل از سه مبدأ بذر اختلاف معنیدار داشتند؛ بهطوری که از نظر صفات رویشی و زنده‌مانی، نهالهای بانه بیشترین مقدار را دارا بودند. نتایج همبستگی نیز نشان داد که قطر، قطر ناف، و حجم بذر همبستگی مثبت، اما طول، نسبت طول به قطر، و تعداد بذر در یک کیلوگرم همبستگی منفی با عرض جغرافیایی و صفات رویشی نهال دارند. بیشترین میزان نسبت تعداد برگ سبز به تعداد برگ کل را نهالهای با مبدأ جنوبی داشتند. نتایج تجزیة خوشه‌ای و تجزیة تابع تشخیص نیز نشان داد که نهالهای حاصل از بذور درختان مادری با مبدأ بذر بانه و قطر ناف بزرگتر، از استقرار اولیة بهتری در یاسوج برخوردارند. | ||
| کلیدواژه‌ها | ||
| بلوط ایرانی؛ زاگرس؛ صفات رویشی نهال؛ صفات مورفولوژیک بذر؛ مبدأ بذر | ||
| عنوان مقاله [English] | ||
| Effect of Seed Provenance and Mother Tree of Quercus branti Base on Primary Establishment in Yasuj | ||
| نویسندگان [English] | ||
| Khaled Karimi Hajipomagh1؛ Roghayeh Zolfaghari2؛ Sohrab Alvaninejad3؛ Payam Fayyaz2 | ||
| 1M.Sc. Forestry Student of Yasouj University, Yasouj, I.R. Iran | ||
| 2Assistant Professor, Yasouj University, Yasouj, I.R. Iran | ||
| 3Assistant Professor, Yasouj University, Yasouj, I.R. Iran | ||
| چکیده [English] | ||
| This study was conducted to investigate the effect of provenance of Persian oak species on its acorn morphological traits and growth and survival parameters in different latitudes of Zagros region. Mother trees of three sites from northern (Baneh), central (Khoram-Abad) and southern (Yasuj) Zagros region were selected and their acorns planted as a completely randomized design in common garden in Yasuj. Acorn morphological traits and growth parameters of seedlings like height, collar diameter, number of leaves and volume in June and September and survival of seedlings were measured. Analyse of variance showed that all acorn morphological traits except acorn diameter at first one of 0.1 height and number of acorn per kg had difference significant. High latitudes provenance had highest value of width, navel diameter and acorn volume and lowest value of length, length to width ratio. Growth and survival traits of seedlings from three provenances were significantly different so that seedlings originated from Baneh were showed highest value growth and survival traits. Results of correlation showed that width, navel diameter and acorn volume were positively and length, length to width ratio and number of acorn per kg were negatively correlated with latitude and growth traits of seedlings. The highest amount of vitality was belongs to seedlings of southern Zagros. Results of cluster analysis also showed that seedlings germinated from mother trees of Baneh and wide navel diameter of acorn had better primary establishment in Yasuj. | ||
| کلیدواژه‌ها [English] | ||
| growth parameters of seedling, morphological seed traits, Provenance, Quercus branti Lindl, Zagros | ||
| مراجع | ||
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