بررسی تأثیر تنظیم کننده‌های رشد گیاهی جیبرلیک اسید و 2 و4 –دی کلروفنوکسی استیک اسید بر کاهش ترکیدگی میوه پرتقال تامسون ناول(Citrus sinensis (L.) Osbeck cv. Thomson navel)

نوع مقاله: پژوهشی

نویسندگان

1 گروه باغبانی، دانشکده علوم کشاورزی و صنایع غذایی، واحد علوم و تحقیقات تهران، دانشگاه آزاد اسلامی، تهران، ایران.

2 گروه باغبانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران.

3 گروه باغبانی، واحد گرمسار، دانشگاه آزاد اسلامی، گرمسار، ایران.

4 گروه بیماری های گیاهی، مرکز تحقیقات کشاورزی مازندران، مازندران، ایران.

چکیده

به منظور بررسی تأثیر تنظیم کننده­های رشد گیاهی بر کاهش ترکیدگی میوه پرتقال تامسون ناول تحقیقی در قالب طرح آماری بلوک­های کامل تصادفی با استفاده از 2و4 – دی کلروفنوکسی استیک اسید در غلظت‌های 0-10 و 20 میلی­گرم در لیتر و جیبرلیک اسید با غلظت­های 0- 50 و 100 میلی­گرم در لیتر در زمان­های حداکثر شکوفایی­گل­ها، ریزش گلبرگ­ها و بلافاصله پس از ریزش فیزیولوژیک میوه در دو سال متوالی (1395 و 1396) به اجرا درآمد. در این آزمایش درصد ترکیدگی میوه، عملکرد میوه، ضخامت پوست میوه، مواد جامد محلول، میزان فعالیت آنزیم­های سلولاز و سوپر اکسیددیسموتاز اندازه­گیری شد. بر اساس نتایج، بیشترین اندازه ضخامت پوست مواد جامد، عملکرد و فعالیت آنزیم سوپراکسیددیسموتاز و کمترین فعالیت آنزیم سلولاز و درصد میوه­های ترک­خورده با استفاده از تیمار 20 میلی­گرم در لیتر 2و4 –دی همراه با 100 میلی­گرم در لیتر جیبرلیک اسید بدست آمد.

کلیدواژه‌ها


عنوان مقاله [English]

Investigating the Effect of Plant Growth Regulators (GA3 and 2, 4-D) on the Reduction of the Physiological Disease of Thomson-Novel Orange Fruit

نویسندگان [English]

  • shahruz habibi 1
  • ali ebadi 2
  • alireza ladan moghadam 3
  • siavash raytpanah 4
1 -
2 Department agriculture
3 Department horticultural and AGRONOMY
4 agriculture
چکیده [English]

Citrus is a major product of the gardens of the north of the country, and since oranges have better storage, they also have a larger share of the gardens. Oranges have a very good market and have a good market and have the highest production, but because it has thin navel and skin, it is sensitive to tension and has a physiological disorder Fruiting. In order to reduce this complication, a randomized complete block design with 2 and 4 dichlorophenoxy acetic acid (2, 4-D) at concentrations of 0-10 and 20 mg / L and gibberellic acid GA3 (with concentrations of 0- 50 and 100 mg / L at flowering time, petals fell immediately after the physiological fall of fruit for two consecutive years (2016-2017). In this experiment, the percentage of fruit grazing, fruit yield, fruit skin thickness, soluble solids, cellulase and superoxide dismutase enzyme activity were measured. Based on the results obtained from the comparison of the meanings, the maximum thickness of the fruit skin, soluble solids, performance and activity level of the enzyme superoxide dismutase, as well as the lowest activity of the enzyme cellulase

کلیدواژه‌ها [English]

  • cellulase
  • citrus
  • Enzyme
  • herbal hormones
  • superoxide dismutase
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