تأثیر خودگشنی بر صفات کمی و کیفی گلایول رقم آمستردام

نوع مقاله : مقاله پژوهشی

نویسنده

استادیار، گروه ژنتیک و به‌نژادی، پژوهشکده گل و گیاهان زینتی، مؤسسه تحقیقات علوم باغبانی، سازمان تحقیقات، آموزش و ‏ترویج کشاورزی، محلات، ایران

چکیده

گلایل، یکی از مهمترین گل‌های شاخه‌بریده و معروف به ملکه گل‌های پیازی است. این تحقیق با هدف تولید ژنوتیپ‌های برتر گلایول از طریق خودگرده افشانی رقم آمستردام در پژوهشکده گل و گیاهان زینتی در سال‌های 97-94 و در قالب طرح بلوک‌های کامل تصادفی انجام گرفت. نتایج تجزیه واریانس نشان داد تفاوت ژنوتیپ‌ها در صفات مورد مطالعه (به استثناء وزن پداژک)، در سطح احتمال یک درصد معنی‌دار بودند. ژنوتیپ oprc46 در صفات عرض و طول گلچه، قطر غنچه برتر بود. ژنوتیپ oprc45 در صفات عمر گلدانی، وزن پداژه، عملکرد (پداژه و پداژک) برتر بود. بالاترین تعداد پداژک به میزان 64 عدد در ژنوتیپ oprc415 تولید شد. بالاترین میزان صفات تعداد گلچه، طول دمگل، قطر ساقه، طول سنبله و قطر پداژک در والد بدست آمد. بیشترین همبستگی مثبت و معنی‌دار (01/0P≤) مربوط به عملکرد (پداژه و پداژک) با وزن پداژه (98/0+=r ) بود. نتایج نشان داد که رنگ گل ژنوتیپ‌ها متمایل به رنگ سفید می‌باشد. در اکثر ژنوتیپ‌ها و والد، آرایش گلچه روی سنبله به‌صورت تک‌ردیفه و شکل گلچه ستاره‌ای مشاهده شد.  نتایج گروه‌بندی نشان داد که ژنوتیپ‌ها در سه گروه طبقه‌بندی شدند و والد در گروه جداگانه‌ای نسبت به ژنوتیپ‌ها قرار گرفت. همچنین مشاهده شد که بخش زیادی از تنوع موجود در صفات ناشی از عوامل ژنتیکی بوده و تأثیر محیط بر این صفات کمتر بوده است.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of self- pollination on Quantitative and qualitative traits in Gladiolus ‎grandiflorus cv Amsterdam

نویسنده [English]

  • Mohammad hossein Azimi
Assistant Professor, Ornamental Plants Research Center (OPRC), Horticultural Sciences Research Institute, Agricultural Research, ‎Education and Extension Organization (AREEO), Mahallat, Iran
چکیده [English]

Gladiolus, is one of the most important cut flowers and known as the Queen of bulbous flower. The aim of this research was to produce superior genotypes through self- pollination of Gladiolus grandiflorus cv. Amsterdam, the experimental was randomized complete block design (RCBD). This research was conducted in Ornamental Plants Research Center in 2015 to 2018 (OPRC). Analysis of variance among genotypes showed that significant differences in all traits were conducted (except for cormlet weight). The oprc46 genotype was superior in the width and length of floret and diameter of bud. The oprc45 genotype was superior in terms of vase life, weight of corm, yield of corm and cormlet per plant. The highest number of cormlet (64n) was produced by oprc415 genotypes. The highest number of traits in parent was obtained for number of florets, length of peduncle, diameter of stem, length of spike and diameter of cormlet. Correlation coefficients show that the most positive and significant correlation between the yield of corm and cormlet per plant and weight of corm (r=+0.98). The results showed that the flower color in genotypes tendency to white. In most genotypes and parents, arrangement of flowers was one row and shape in front view was star-shaped. The results of grouping showed that classified into three groups and the parent group was separated another genotype. The results showed that major of the diversity in the traits was due to genetic factors and the effect of the environment on these traits was less.

کلیدواژه‌ها [English]

  • Diversity
  • pollination
  • yield of corm and cormlet
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