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Identification of sources of resistance to yellow rust in barley landraces grown in the northwest regions of Iran | ||
| Iranian Journal of Genetics and Plant Breeding | ||
| مقاله 2، دوره 10، شماره 2 - شماره پیاپی 20، دی 2021، صفحه 13-23 اصل مقاله (966.27 K) | ||
| نوع مقاله: Research paper | ||
| شناسه دیجیتال (DOI): 10.30479/ijgpb.2023.18050.1330 | ||
| نویسندگان | ||
| Mehdi Zahravi* 1؛ Safar Ali Safavi2؛ Habibollah Ghazvini3 | ||
| 1Department of Genetics and National Plant Gene Bank of Iran, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 2Agriculture and Natural Resources Research Center of Ardebil, Agricultural Research, Education and Extension Organization (AREEO), Ardebil, Iran. | ||
| 3Department of Cereal Research, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| تاریخ دریافت: 17 آبان 1401، تاریخ بازنگری: 22 اسفند 1401، تاریخ پذیرش: 22 فروردین 1402 | ||
| چکیده | ||
| Barley yellow rust is one of the important barley diseases in the world. However, the importance of this disease has recently increased in Iran. The main aim of the present study was to identify the sources of resistance to this disease in a collection of Iranian barley genotypes provided from the National Plant Gene Bank of Iran (NPGBI). For this purpose, a set of 128 accessions of the north and northwest regions of Iran were assessed in terms of resistance components such as disease severity, infection type and coefficient of infection under natural incidence of the disease in the field of Ardebil Research Station as a hotspot region for barley yellow rust during 2019-2022 cropping seasons. The results indicated a considerable genetic diversity among the tested genetic materials in response to this disease. A moderate correlation was observed between the evaluations of different years. The accessions were separated into five groups using cluster analysis, and the second group with 41 members with the lowest infection coefficient average was identified as the most resistant group. The results of this research showed the high capacity of the collection to identify sources of resistance to barley yellow rust disease. The identified resistant germplasm can be used in breeding programs for resistance to this disease. | ||
| کلیدواژه‌ها | ||
| Barley stripe rust؛ Germplasm؛ Resistance components؛ Virulence | ||
| عنوان مقاله [English] | ||
| شناسایی منابع مقاومت به زنگ زرد در لندریس‌های جو زراعی بومی مناطق شمال غرب ایران | ||
| نویسندگان [English] | ||
| مهدی زهراوی1؛ صفرعلی صفوی2؛ حبیب اله قزوینی3 | ||
| 1مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران. | ||
| 2مرکز تحقیقات کشاورزی و منابع طبیعی اردبیل، سازمان تحقیقات، آموزش و ترویج کشاورزی، اردبیل، ایران. | ||
| 3گروه تحقیقات غلات، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران. | ||
| چکیده [English] | ||
| زنگ زرد جو یکی از بیماری‌های مهم جو در جهان از جمله است که اهمیت آن در کشور در سال‌های اخیر رو به افزایش بوده است. این تحقیق با هدف شناسایی منابع مقاومت به بیماری زنگ زرد در کلکسیون جو بانک ژن گیاهی ملی ایران انجام شد. بدین منظور 128 نمونه ژنتیکی بومی مناطق شمال‌غرب از کلکسیون جو زراعی بانک ژن گیاهی ملی ایران در مزرعه ایستگاه تحقیقاتی اردبیل به عنوان کانون آلودگی بیماری زنگ زرد جو در شرایط آلودگی طبیعی و با اندازه‌گیری اجزای مقاومت شامل شدت بیماری، تیپ آلودگی و ضریب آلودگی طی سه سال زراعی 2019 الی 2022 ارزیابی شدند. نتایج حاکی از تنوع ژنتیکی قابل ملاحظه‌ای در بین مواد ژنتیکی مورد آزمایش در پاسخ به بیماری بود. میانگین تمام اجزای مقاومت از سال اول به سال دوم افزایش و از سال دوم به سال سوم کاهش نشان داد. همبستگی متوسطی بین ارزیابی‌های سال‌های مختلف مشاهده شد. نمونه‌های ژنتیکی با استفاده از تجزیه خوشه‌ای در پنج گروه تفکیک شدند و گروه دوم با 41 عضو با کمترین میانگین ضریب آلودگی به عنوان مقاوم‌ترین گروه شناسایی شد. نتایج این تحقیق در مجموع نشان‌دهنده ظرفیت بالای این کلکسیون جو زراعی بانک ژن گیاهی ملی ایران برای شناسایی منابع مقاومت به بیماری زنگ زرد جو بود و از نمونه‌های ژنتیکی مقاوم شناسایی شده، می‌توان در برنامه‌های اصلاحی برای مقاومت به این بیماری استفاده نمود. | ||
| کلیدواژه‌ها [English] | ||
| زنگ نواری, ژرم‌پلاسم, اجزای مقاومت, ویرولانس | ||
| مراجع | ||
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