ارزیابی مقاومت دوگانه تعدادی از لاین‌های گندم نسبت به بیماری‌های لکه‌خرمایی و لکه قهوه‌ای در مزرعه

نوع مقاله : بیماری‌شناسی گیاهی

نویسندگان

1 عضو هیئت علمی موسسه تحقیقات گیاه پزشکی کشور

2 بخش تحقیقات گیاهپزشکی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان مازندران، سازمان تحقیقات، آموزش و ترویج کشاورزی، ساری، ایران

3 بخش تحقیقات گیاهپزشکی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان گلستان، سازمان تحقیقات، آموزش و ترویج کشاورزی، گرگان، ایران

4 بخش تحقیقات بیماریهای گیاهی، موسسه تحقیقات گیاهپزشکی کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

10.22092/jaep.2025.368309.1536

چکیده

لکه­ خرمایی با عامل Pyrenophora tritici-repentis و لکه ­قهوه­ای با عامل Bipolaris sorokiniana از مهمترین بیماری­های لکه­ برگی گندم هستند که خسارت قابل توجهی به تولید این محصول در دنیا وارد می­کنند. در این تحقیق مقاومت تعدادی از لاین­ های مرکز بین­المللی تحقیقات ذرت و گندم در دو استان شمالی کشور، گلستان و مازندران، در شرایط مزرعه­ای بررسی شد. در ایستگاه بایع­کلا مازندران 19 لاین حساس به لکه­خرمایی بودند. سایر لاین­ها هم درجات مختلفی از مقاومت به بیماری لکه­خرمایی را نشان دادند. در خصوص بیماری لکه قهوه­ای غیر از لاین­های شماره 5، 18، 25، 28 و 36 که همگی واکنش نیمه حساس (MS) نسبت به آلودگی نشان دادند و بقیه لاین­ها به این بیماری مقاوم بودند. در ایستگاه قراخیل مازندران 14 لاین واکنش نیمه حساسیت (MS) و حساسیت (S) نسبت به بیماری لکه­خرمایی داشتند در حالیکه غیر از لاین شماره 28 با واکنش نیمه حساس (MS) سایر لاین­ها به بیماری لکه قهوه­ای مقاوم بودند. در ایستگاه گرگان (عراقی­محله) استان گلستان 7 لاین شامل 1، 5، 10، 12، 17، 18 و 47 نسبت به لکه­خرمایی حساسیت داشتند ، در حالیکه تمامی لاین­ها نسبت به عامل بیماری لکه ­قهوه­ای مقاوم بودند. از میان 50 لاین مورد بررسی، 24 مورد شامل لاین­های شماره 2، 9، 11، 13، 14، 15، 19، 21، 22، 23، 24، 29، 30، 31، 34، 35، 37، 38، 40، 42، 43، 46، 48 و 49 نسبت به هر دو بیماری در سه منطقه مورد ارزیابی در استان­های مازندران و گلستان مقاومت نشان دادند که در برنامه‌های به نژادی اصلاح گندم توصیه می‌شوند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Evaluation of the dual resistance of a number of wheat lines to tan spot and spot blotch diseases in field

نویسندگان [English]

  • Hassan Momeni 1
  • Hosein Barari 2
  • Hojatollah Rabbaninasasb 3
  • Homayoon Kazemi 4
  • Fahimeh Nazari 4
1 Scintific memeber of IRIPP
2 Department of Plant Protection, Mazandaradn Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Sari, Iran;
3 Department of Plant Protection, Golestan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran.
4 Plant Disrase Research Department, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.
چکیده [English]

Tan Spot and Spot Blotch diseases with the causal agent of Pyrenophora tritici-repentis and Bipolaris sorokiniana respectively are among the most important diseases of wheat leaf spot that are economically damaging across the world. In this study, the resistance of a number of lines of International Maize and Wheat Improvement Center was evaluated in two Northern provinces (Mazandaran and Golestan) of Iran in field conditions. In Baikola station of Mazandaran 19 lines were susceptible to Tan Spot. Other lines showed various degrees of resistance to Tan Spot. Regarding the Spot Blotch, except lines number 5, 18, 25, 28 and 36, with moderately susceptible (MS) reaction to the infection, the rest of the lines was resistance. In Gharakheil station of Mazandaran province, 14 lines showed MS and S reaction to Tan Spot. While, except for line number 28 with MS reaction, other lines were resistance to Spot Blotch. In Araghimahaleh station of Golestan province, 7 lines including 1, 5, 10, 12, 17, 18 and 47, were susceptibile to Tan Spot (MS), while all wheat lines showed various degrees of resistance to Spot Blotch. Among 50 lines investigated in this study, 24 lines including 2, 9, 11, 13, 14, 15, 19, 21, 22, 23, 24, 29, 30, 31, 34, 35, 37, 38, 40, 42, 43, 46, 48, 49 showed resistance in the three evaluated regions in Mazandaran and Golestan provinces, which are recommended to the breeders for further studies in breeding programs.

کلیدواژه‌ها [English]

  • Bipolaris sorokiniana
  • evaluation
  • Pyrenophora tritici-repentis
  • susceptibility

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آفات و بیماری‌ های گیاهی
دوره 92، شماره 2
اسفند 1403
صفحه 268-278

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