تأثیر اسید جیبرلیک بر برخی ویژگی‌های مورفوفیزیولوژیکی دو رقم گل سفید و زرد (Alba and Apollo) گل میمون (Antirrhinum majus)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، دانشگاه شهید چمران اهواز

2 دانشجوی سابق کارشناسی ارشد، دانشگاه شهید چمران اهواز

3 دانشجوی دکتری گروه علوم باغبانی دانشگاه شیراز

4 دانشجوی دکتری گروه علوم باغبانی دانشگاه زنجان

5 کارشناس ارشد علوم باغبانی. دانشگاه شهید چمران اهواز

چکیده

به‌منظور بررسی تأثیر اسید جیبرلیک (0، 100، 200 و 400 میلی‌گرم بر لیتر) بر ویژگی‌های کمی و کیفی دو رقم گل میمون (Antirrhinum majus) آزمایشی به‌صورت فاکتوریل در قالب طرح بلوک‌های کامل تصادفی با سه تکرار اجرا شد. دانهال‌ها 50 روز پس از کشت بذر (در مرحلة 6 تا 8 برگ حقیقی) تحت تیمار سطوح مختلف اسید جیبرلیک (به‌صورت محلول‌پاشی برگی) قرار گرفتند. نتایج به‌دست‌آمده از آزمایش نشان داد، افزایش غلظت اسید جیبرلیک به‌طور معنی‌داری موجب افزایش صفات مورد بررسی شد. بیشترین شمار، طول و قطر شاخة گل‌دهنده، طول گل‌آذین، شمار گلچه، شمار برگ، ماندگاری گل و همچنین وزن تر اندام‌های هوایی از اثر متقابل غلظت 400 و 200 میلی‌گرم در لیتر اسید جیبرلیک و رقم زرد (Apollo) و پس از آن رقم سفید (Alba) به دست آمد. در بین غلظت‌های مختلف اسید جیبرلیک بیشترین قطر گلچه، سطح برگ، سبزینه (کلروفیل)‌های a، b و کل و همچنین وزن خشک اندام‌های هوایی مربوط به تیمار 400 میلی‌گرم در لیتر و کمترین میزان مربوط به شاهد بود. سطح برگ و وزن خشک اندام‌های هوایی در رقم زرد (Apollo) بالاتر از رقم سفید (Alba) بود.

کلیدواژه‌ها


عنوان مقاله [English]

The effects of gibberellic acid on some morpho-physiological characteristics of two varieties of white and yellow flowers (Alba and Apollo) Snapdragon (Antirrhinum majus)

نویسندگان [English]

  • Mehrangiz Chehrazi 1
  • Hamid Reza Hosseini 2 3
  • Elahe Hashemi Dehkordi 2 4
1 Assistant Professor, University of Shahid Chamran, Ahvaz, Iran
2 Former M.Sc. Student, University of Shahid Chamran, Ahvaz, Iran | Ph. D. Candidate, University of Shiraz, Iran
3 Former M.Sc. Student, University of Shahid Chamran, Ahvaz, Iran | Ph. D. Candidate, University of Shiraz, Iran
4 Former M. Sc. Student, University of Shahid Chamran, Ahvaz, Iran | Ph. D. Candidate, University of Zanjan, Iran
چکیده [English]

The evaluate the effect of gibberellic acid (zero, 100, 200 and 400 milligrams per liter) on quantitative growth characteristics of two varieties of Snapdragon (Antirrhinum majus) a factorial experiment  base on a completely randomized block design with three replications were designed. Seedlings 50 days after sowing seed (6 to 8 true leaf stage) was exposure treated with gibberellic acid levels (as foliar). The results showed increased concentrations of gibberellic acid was enhanced significantly traits. The largest number, length and diameter of the branches of flowering, inflorescence length, floret number, number of leaves, vase life and also shoot fresh weight was obtained of the interaction between 400 and 200 ppm gibberellic acid and the yellow varieties (Apollo) and were then white varieties (Alba). Among different concentrations of gibberellic acid maximum diameter of the floret, leaf area, chlorophylls a, b and total and shoot dry weight was obtained of 400 mg/liter GA and the lowest in the control. The leaf area and shoot dry weight in yellow variety was higher than the white variety.

کلیدواژه‌ها [English]

  • Chlorophyll
  • durability
  • gibberellin
  • flowering branch
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