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Diallel analysis of some important Morpho-Phenological traits in bread Wheat (Triticum aestivum L.) crosses | ||
| Iranian Journal of Genetics and Plant Breeding | ||
| مقاله 8، دوره 8، شماره 1 - شماره پیاپی 15، تیر 2019، صفحه 45-54 اصل مقاله (661.11 K) | ||
| نوع مقاله: Research paper | ||
| شناسه دیجیتال (DOI): 10.30479/ijgpb.2019.11397.1247 | ||
| نویسندگان | ||
| Ensieh Eshaghi Shamsabadi1؛ Hossein Sabouri* 1؛ Habiballah Soughi2؛ Seyed Javad Sajadi1 | ||
| 1Department of Plant Production, Collage of Agriculture Science and Natural Resources, Gonbad Kavous University, P. O. Box: 497179-9151, Gonbad Kavous, Golestan, Iran. | ||
| 2Horticulture and Agronomy Department, Golestan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran. | ||
| تاریخ دریافت: 06 شهریور 1398، تاریخ بازنگری: 20 آذر 1398، تاریخ پذیرش: 20 آذر 1398 | ||
| چکیده | ||
| Wheat (Triticum aestivum L.) is the most important food crop. It offers a great wealth of material for genetic studies due to its wide ecological distribution. The effects of GCA and SCA of morpho-phenological traits i.e. days to emergence, days to flowering, days to maturity, flag leaf length, grain filling duration, spike weight per plant, stem weight and grain yield were studied utilizing an 8×8 half diallel cross according to Griffing’s method II of Fixed model (I). Kouhdasht, Mehregan, Karim, Line 17, N-80-19, Atrak, N-92-9 and Ehsan cultivars were evaluated based on a randomized complete block design (RCBD) with two replications at the research farm of Gonbad Kavous University during fall 2017-2018. The analysis of variance and effect of SCA were significant for all the characters which showed a significant variability among their parents for all studied traits. The analysis of variance indicated that the effect of GCA was significant for all traits except for days to maturity and grain filling duration (p≤0.05). The obtained results from the mean square ratio of GCA to SCA showed that non-additive genetic variance played a predominant role in the inheritance of most traits. Based on GCA and SCA effects obtained from biplot analysis on 8 parents, N-92-9×Ehsan, N-92-9×Kouhdasht, Mehregan×Atrak, Ehsan×Line 17, N-80-19×Mehregan and Karim×Karim were detected as the best hybrids for grain yield. Further studies in relation to the agronomic traits, can improve our knowledge about the wheat cultivars used in the present study and can direct future breeding programs. | ||
| کلیدواژه‌ها | ||
| Biplot؛ Diallel analysis؛ Gene action؛ Wheat (Triticum aestivum L.)؛ Yield | ||
| عنوان مقاله [English] | ||
| تجزیه‌وتحلیل دای آلل برخی از صفات مهم مورفو فنولوژیکی در گندم نان (Triticum aestivum L.) | ||
| نویسندگان [English] | ||
| انسیه اسحقی شمس آبادی1؛ حسین صبوری1؛ حبیب الله سوقی2؛ سید جواد سجادی1 | ||
| 1گروه تولیدات گیاهی، دانشگاه گنبد گاووس، گلستان، ایران، کدپستی: 497179-9151. | ||
| 2بخش تحقیقات زراعی و باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی گلستان، سازمان تحقیقات، آموزش و ترویج کشاورزی،گرگان، ایران. | ||
| چکیده [English] | ||
| گندم Triticum aestivum L.)) از مهمترین غلات و محصولات غذایی در جهان است. این گیاه، از ظرفیت فراوانی در مطالعات ژنتیکی برای پراکنش وسیع اکولوژیکی آن و ازتنوع فراوانی برای صفات مختلف مورفولوژیکی و فیزیولوژیکی برخوردار است. برای تحلیل اثر ترکیبپذیری عمومی (GCA) و ترکیبپذیری خصوصی (SCA) صفات مورفوفنولوژیک گندم شامل صفات روز تا سبز شدن، روز تا گلدهی، روز تا رسیدگی، طول برگ پرچم، طول دوره پر شدن دانه، وزن سنبله در بوته، وزن ساقه و عملکرد دانه، از طرح دای آلل کراس 8×8 یک‌طرفه به روش دوم گریفینگ مدل ثابت (I) استفاده شد. در این جستار، ارقام کوهدشت، مهرگان، کریم، لاین 17، N-80-19، اترک، N-92-9 و احسان براساس طرح بلوکهای کامل تصادفی با دو تکرار در مزرعة تحقیقاتی دانشگاه گنبد کاووس در پاییز سال 1396-1397 ارزیابی شدند. نتایج حاصل از تجزیه واریانس نشان داد که تفاوت معنی‌داری بین صفات مورد بررسی وجود دارد که نشان‌دهندة تنوع معنیدار در بین والدین آنها برای کلیه صفات مورد مطالعه است. نتایج تجزیة واریانس نشان داد که اثر ترکیبپذیری عمومی (GCA) برای کلیه صفات بجز روز تا رسیدگی و طول دوره پر شدن، در سطح احتمال 5% معنیدار شد. نتایج به‌دست آمده از نسبت میانگین مربعات GCA بر SCA نشان میدهد که واریانس ژنتیکی افزایشی، نقشی غالب در توارث اکثر صفات دارد. بیشترین وزن دانههای موجود مربوط به رقم کریم و کمترین میزان هم مربوط به رقم N-92-9 بود که از ۱۰۴/۵ گرم تا ۰۹۱/۰ گرم در نوسان بود. همچنین براساس نتایج بای پلات، تلاقیهای N-92-9 × احسان، N-92-9 × کوهدشت، مهرگان × اترک، احسان × لاین 17، N-80-19 × مهرگان و کریم × کریم، از بهترین هیبرید برای عملکرد دانه برخوردار است. مطالعات بیشتر در باب صفات زراعی، آگاهی ما را در ارقام گندم مورد استفاده در بررسی حاضر بهبود می‌بخشد و می‌تواند به ساماندهی برنامه‌های به نژادی بعدی کمک کند. | ||
| کلیدواژه‌ها [English] | ||
| بای پلات, تجزیه دی آلل, عمل ژن, عملکرد, گندم triticum aestivum l.)), وراثت‌پذیری | ||
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