تأثیر محلول‌پاشی اسید نفتالین استیک بر رشد، عملکرد و کیفیت میوه فلفل‌دلمه‌ای رقم کالیفرنیا واندر

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانش‌آموخته کارشناسی‌‌ارشد علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

2 دانشیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

چکیده

به‌منظور مطالعه اثر تنظیم‌کننده‌ رشد گیاهی اسید نفتالین استیک بر رشد، عملکرد و کیفیت میوه فلفل‌دلمه‌ای رقم کالیفرنیا واندر، آزمایشی به‌صورت طرح بلوک‌های کامل تصادفی در مزرعه تحقیقاتی دانشگاه زنجان در سال 1395 اجرا شد. تیمارهای آزمایشی شامل اسید نفتالین استیک در پنج سطح صفر (شاهد)، 50، 100، 150 و 200 میلی‌گرم در لیتر بود. نتایج نشان داد که محلول‌پاشی اسید نفتالین استیک تأثیر معنی‌داری بر صفات رویشی، عملکرد و اجزاء عملکرد و کیفیت میوه داشت. بیشترین تعداد میوه 6/5 و 6 عدد و عملکرد 6/24 و 9/24 تن در هکتار به‌ترتیب در تیمار 50 و 100 میلی‌گرم در لیتر اسید نفتالین استیک حاصل شد. حداکثر ارتفاع بوته و شاخص کلروفیل با کاربرد 100 و 150 میلی‌گرم در لیتر اسید نفتالین استیک به‌دست آمد. بیشترین مقدار مواد جامد محلول (93/4 درصد بریکس)، ویتامین ث (73/103 میلی‌گرم در 100 میلی‌لیتر) و سفتی بافت میوه در تیمار 100 میلی‌گرم در لیتر اسید نفتالین استیک ثبت شد. با توجه به نتایج، کاربرد 100 میلی‌گرم در لیتر اسید نفتالین استیک جهت بهبود عملکرد و کیفیت میوه فلفل‌دلمه‌ای پیشنهاد می‌گردد.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Foliar Application of Naphthalene Acetic Acid on Growth, Yield and Fruit Quality of Sweet Pepper cv. California Wonder

نویسندگان [English]

  • Mahsa Fateh 1
  • Taher Barzegar 2
1 M.Sc. Graduate, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
2 Associate Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
چکیده [English]

In order to study the effects of foliar application of naphthalene acetic acid (NAA) on growth, yield and fruit quality of sweet pepper "California Wonder", an experiment was conducted in a randomized complete block design with three replications in the Research field of Faculty of Agriculture (University of Zanjan, Iran) in 2016. Treatments were consisted of NAA at five levels of 0 (control), 50, 100, 150 and 200 mg.L-1. The results showed that foliar application of NAA had significant effects on vegetative traits, yield and its components, and fruit quality. The highest fruit number per plant (5.6 and 6) and yield (24.6 and 24.9 t.ha-1) was achieved at 50 and 100 mg.L-1 NAA. The maximum plant height and chlorophyll index were obtained by application of 100 and 150 mg.L-1 NAA. The highest amount of total soluble solid (4.93 °B), vitamin C (103.73 mg.100ml-1) and fruit firmness was recorded at 100 mg.L-1 NAA. According to the results, application of 100 mg.L-1 NAA can be proposed to improve yield and fruit quality of sweet pepper.

کلیدواژه‌ها [English]

  • Fruit firmness
  • Growth traits
  • Plant growth regulator
  • Vitamin C

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