تأثیر نوع محیط کشت و ‌اسید هیومیک بر برخی ویژگی‌های مهم رویشی نهال پرتقال والنسیا با پایۀ نارنج

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، گروه علوم باغبانی، دانشگاه آزاد اسلامی واحد جهرم، جهرم، ایران

2 استادیار، باشگاه پژوهشگران جوان و نخبگان، واحد یاسوج، دانشگاه آزاد اسلامی، یاسوج، ایران

3 دانشیار، گروه علوم باغبانی، دانشگاه آزاد اسلامی واحد جهرم، جهرم، ایران

چکیده

هدف از انجام این پژوهش، بررسی تأثیر بسترهای مختلف کشت و ­اسید هیومیک بر برخی ویژگی­های مهم رویشی و میزان جذب عنصرهای کانی فسفر و پتاسیم در برگ نهال پرتقال والنسیا پیوندشده روی پایۀ نارنج بود. این آزمایش به‌صورت فاکتوریل در قالب طرح بلوک‌های کامل تصادفی در سه تکرار در شهرستان باشت استان کهگیلویه‌ و بویراحمد اجرا شد. عامل اول ­اسید هیومیک در غلظت‌های 0، 5/2 ، 5 و 5/7 گرم در لیتر و عامل دوم هفت نوع بستر کاشت شامل: 1- خاک زراعی، 2- زئولیت، 3-  خاک­برگ، 4- خاک زراعی+ زئولیت (50-50)، 5- خاک زراعی+ ورمی‌کمپوست (50-50)، 6- خاک+ خاک‌برگ (50-50) و 7- خاک زراعی+ ورمی‌کمپوست + زئولیت (33-33-33) بود. بنابر نتایج، کاربرد ­اسید هیومیک، بستر کاشت و برهمکنش این دو بر همۀ صفات مورد بررسی نهال پرتقال والنسیا در سطح احتمال 1 درصد معنی‌دار شد. بیشترین و کمترین ارتفاع نهال به میزان 81 و 50 سانتی­متر به ترتیب در نهال­های کاشته‌شده در بستر کاشت ورمی‌کمپوست + زئولیت+ خاک زراعی و 5 گرم در لیتر ­اسید هیومیک و نهال­های کاشته‌شده در خاک بدون کاربرد ­اسید هیومیک مشاهده شد. بیشترین شمار برگ (97 عدد)، وزن تر و خشک برگ و ریشه، پتاسیم و فسفر برگ در نهال­های تیمارشده با 5/7 گرم در لیتر ­اسید هیومیک و بستر کشت خاک+ زئولیت+ ورمی‌کمپوست به دست آمد. به‌طورکلی بنا بر نتایج این پژوهش، می‌توان کاربرد 5 تا 5/7 گرم در لیتر ­اسید هیومیک و بستر کشت ترکیبی خاک زراعی+ زئولیت+ ورمی‌کمپوست را به‌منظور بهبود ویژگی‌های کمی و کیفی نهال پیوندی پرتقال والنسیا روی پایۀ نارنج را پیشنهاد کرد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of diffrent media culture and humic acid on some important vegetative properties of orange seedling cv. Valencia (Citrus sinensis) using sour orange (C. aurantium) rootstock

نویسندگان [English]

  • Mohammad Hosseini Chenarestanolya 1
  • Mehdi Hosseini Farahi 2
  • Abdolhosein Aboutalebi 3
1 M. Sc. Student and Associate Professor, Department of Horticultural Science, Jahrom Branch, Islamic Azad University, Jahrom Branch, Iran
2 Assistant Proffesor, Young Researchers and Elite Club, Yasouj Branch, Islamic Azad University, Yasouj, Iran
3 Associate Professor, Department of Horticultural Science, Jahrom Branch, Islamic Azad University, Jahrom Branch, Iran
چکیده [English]

The aim of this study was to investige the effect of different media cultures and humic Acid (HA) on some vegetative properties and absorption of Phosphorus (P) and Potassium (K) contents in leaf of orange seedling (Citrus sinensis) cv. Valencia grafted on sour orange (C. aurantium) rootstock. A factorial experiment was carried out based on randomized complete block design with three replications. The first factor was HA concenterations of 0, 2.5, 5 and 7.5 gl-1 and second factor was formed by seven different combinations of media culture including 1- soil, 2- zeolite, 3- leaf mold, 4- soil + zeolite, 5- soil + vermicompost 6- Soil+ leaf mold 7- soil + vermicompost + zeolite. Results showed that effect of HA, media culture and their interaction on all of the investigated traits of Valencia orange were significant (P<0.01). The highest and the lowest seedling hight (81 and 50 cm) obtained in plants cultured in soil+vermicompost+ zeolite and 5 gl-1 HA and in soil and without HA, respectively. The highest number of leaves (97), fresh and dry weight of leaf and root, P and K contents obtained in plants cultured in soil+vermicompost+ zeolite mixture and 5 gl-1 HA.  Therefore, application of 5 to 7.5 gl-1 HA and use of soil+zeolite+vermicompost mixture is recommended as media culture in order to improvement of quality and quantity of seedling of Valencia orange.

کلیدواژه‌ها [English]

  • phosphorus
  • potassium
  • seedling height
  • vermicompost
  • Zeolite
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