اثر ایندول بوتریک اسید، نوع بستر کشت و قطر قلمه بر کمیت ریشه‌زایی قلمه گل‌محمدی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش‌آموخته کارشناسی ارشد، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ‏ایران

2 استاد، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران

3 استادیار، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران

4 دانش‌آموخته کارشناسی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران

چکیده

یکی از مهم‌ترین گونه‌های رز، گل محمدی است که بعضی از رقم های آن برای تولید اسانس اهمیت دارند و بعضی دیگر به‌عنوان رزهای باغی کشت می‌شوند. به منظور بررسی اثر هورمون ایندول بوتریک اسید (IBA)، بستر کشت و قطر قلمه بر کیفیت ریشه‌زایی گل محمدی آزمایشی به صورت فاکتوریل در قالب طرح کاملا تصادفی با 30 تیمار و 3 تکرار طراحی و اجرا شد.تیمارها شامل بستر کشت در سه سطح (30% کوکوپیت+ 70% پرلیت، 50% کوکوپیت+ 50% پرلیت، 50% ماسه+ 50% پرلیت)، ایندول بوتریک اسید در پنج سطح (صفر، 1000، 2000، 3000 و 4000 میلی‌گرم بر لیتر) و قطر قلمه در دو سطح ( 13-5 و 20-13 میلی‌متر) بودند. نتایج نشان داد درصد زنده‌مانی قلمه گل محمدی با افزایش غلظت IBAتا 3000 میلی‌گرم بر لیتر به‌طور معنی‌داری افزایش یافت. بیشترین تعداد برگ در تیمار 2000 و 3000 میلی­گرم در لیتر IBA و قلمه‌های قطورتر مشاهده شد. اثر متقابل غلظت هورمون IBA و قطر قلمه در اکثر پارامترها، به­جز تعداد ریشه، معنی‌دار شد. بیشترین حجم و طول ریشه، تعداد ریشه، تعداد برگ، درصد زنده‌مانی و بلندترین طول ریشه در بستر کشت 30:70 کوکوپیت و پرلیت مشاهده شد. براساس نتایج  می‌توان کاربرد غلظت 2000 میلی­گرم در لیتر هورمون IBA، قلمه‌های قطور (20-13 میلی‌متر) و بستر کشت 30:70 کوکوپیت و پرلیت را برای بیشترین درصد زنده‌مانی و تراکم ریشه توصیه کرد.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of IBA, medium and diameter of cuttings on quantity of rooting of ‎Damask rose

نویسندگان [English]

  • Ahmad Karimzadeh 1
  • Ali Tehranifar 2
  • Hossein Nemati 3
  • Fereshteh Youssefi 4
1 Former M.Sc. Student, Faculty of Agriculture, Ferdowsi University of ‎Mashhad, Mashhad, Iran
2 Professor, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
3 Assistant Professor, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
4 Former B.Sc. Student, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
چکیده [English]

One of the most important species of roses is the Damask rose, some of whose cultivars are important for the production of essential oil and others are cultivated as garden roses. In order to investigate effect of indole buteric acid (IBA), growing media and cuttings diameter on the quality of rooting, an experiment was designed a factorial based on randomized complete design with 30 treatments and 3 replications. Treatment contained growing media at 3 levels (cocopeat 30%+perlite 70%, cocopeat 50%+perlite 50% and sand 50%+perlite 50%), IBA concentration at 5 levels (0, 1000, 2000, 3000, 4000 mg L-1) and stem diameter at 2 levels (5-13 and 13-20 mm). Results showed that the survival rate of Damask rose was significantly increased by increasing the concentration of IBA up to 3,000 mg.L-1. The highest number of leaves was observed in 2000 and 3000 mg.L-1 of IBA and more thick cuttings. Interaction between IBA concentration and cuttings diameter in most traits was significant, except for root number. The highest root length, root number, leaf number, viability, and longest root length were observed in culture media 30:70 cocopeat and perlite. According to results, 2000 mg L-1 IBA, thicker cuttings and cocopeat 30%+perlite 70% growing media could be suggested for maximum survival percentage and root density.

کلیدواژه‌ها [English]

  • Cocopeat
  • perlite
  • root
  • stem cuttings
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