ارزیابی پارامترهای ژنتیکی و عملکرد پداژک در نتاج گلایول

Subject Areas : Journal of Ornamental Plants

محمد حسین عظیمی ¹ (مرکز تحقیقات گیاهان زینتی، موسسه تحقیقات علوم باغبانی، سازمان تحقیقات، آموزش و ترویج کشاورزی، محلات، ایران)
بهزاد ادریسی ² (مرکز تحقیقات گیاهان زینتی، موسسه تحقیقات علوم باغبانی، سازمان تحقیقات، آموزش و ترویج کشاورزی، محلات، ایران)
محمد علی خلج ³ (مرکز تحقیقات گیاهان زینتی، موسسه تحقیقات علوم باغبانی، سازمان تحقیقات، آموزش و ترویج کشاورزی، محلات، ایران)

Received: 2019-08-19 Accepted : 2020-02-29 Published : 2020-03-01

Keywords: تنوع, پداژک, دورگ گیری, نتاج,

Abstract :

گلایول متعلق به تیره زنبق از مهم‌ترین گل‌های شاخه بریده و پیازی جهان است. این پژوهش با هدف تولید ژنوتیپ­های جدید گلایول از طریق دورگ‌گیری در بین ارقام گلایول انجام شد. این تحقیق در قالب طرح بلوک‌های کامل تصادفی در سه تکرار در پژوهشکده گل و گیاهان زینتی در سال 97-95 انجام شد. نتایج تجزیه واریانس صفات بین نتاج (هیبریدها) نشان داد که اختلاف نتاج مورد نظر برای تمام صفات مورد مطالعه در سطح احتمال یک درصد معنی‌دار بود، که بیانگر وجود تنوع گسترده برای همه صفات در نتاج مشاهده می‌شود. نتاج NIOP09 و OPRC07 از تلاقی‘Red Advance’  با  ‘White Prosperity’ تفاوت معنی‌داری از نظر وزن پداژک در مقایسه با سایر نتاج داشتند. بیشترین ضریب تنوع فنوتیپی در صفت تعداد پداژک به میزان 17/57 و کمترین در صفت تعداد روز تا جوانه‌زنی بذر به میزان 15/11 درصد به‌دست آمد. بیشترین  قابلیت توارث عمومی صفات تعداد پداژک و قطر پداژک به‌ترتیب برابر با 46/98 و 46/95 درصد و کمترین آن برای صفت قطر طوقه به میزان 90/12 درصد برآورد شد. ضرایب همبستگی صفات بین نتاج‌های مختلف نشان می‌دهدکه بیشترین همبستگی مثبت و معنی‌دار مربوط به تعداد برگ با قطر طوقه (93/0+ = r) و کمترین میزان همبستگی هم بین تعداد روز تا جوانه‌زنی با تعداد پداژک (17/0 = r) بود.

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