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فاطمه عبداللهی حمیدرضا محمددوست جمن آباد علی اصغری

چکیده

به منظور بررسی واکنش رقابتی 18 رقم گندم در رقابت با علف¬هرز خردل¬وحشی در سال 93-1392 در دانشکده علوم کشاورزی، دانشگاه محقق اردبیلی انجام شد. تیمارهای آزمایش شامل 18 رقم گندم (البرز، الوند، کرج3، مغان3، MS-81-14، فلات، قدس، نیک¬نژاد، شاه¬پسند، سپاهان، روشن، گلستان، آزادی، کرخه، بم، شهریار، یارواروس و سرخ¬تخم) در شرایط حضور و عدم حضور علف‌هرز خردل¬وحشی رشد کردند. آزمایش بصورت فاکتوریل در قالب طرح کاملا تصادفی با سه تکرار به صورت گلدانی اجرا شد. نتایج نشان داد که شاخص سطح برگ در ارقام گندم بین 84/0 تا 09/1 متغیر بود. ارقام الوند و بم بیشترین و ارقام البرز، سپاهان، فلات و روشن کمترین شاخص سطح برگ را داشتند. تداخل علف¬هرز خردل¬وحشی درصد پوشش گندم را در مرحله ساقه¬دهی از 46/42 درصد به 28 درصد کاهش داد. تداخل خردل¬وحشی عملکرد بیولوژیک را 5/13 درصد و عملکرد اقتصادی را 26 درصد کاهش داد. میزان افت عملکرد دانه در ارقام گندم متفاوت بود. در رقم روشن افت عملکرد بیش از 40 درصد و در ارقام بم، MS-81-14 و یارواروس کمتر از 15 درصد بود. نتایج این آزمایش می¬تواند در برنامه¬های مدیریت غیرشیمیایی علف¬های هرز مورد استفاده قرار گیرد.

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ارجاع به مقاله
عبداللهیف., محمددوست جمن آبادح., & اصغریع. (2017). بررسی واکنش رقابتی 18 رقم گندم(Triticum aestivum L.) با خردل¬وحشی (Sinapis arvensis L.). مطالعات حفاظت گیاهان, 31(4), 581-591. https://doi.org/10.22067/jpp.v31i4.52552
نوع مقاله
علمی - پژوهشی