تأثیر محلول های غذایی مختلف بر روی خصوصیات کیفی و فیزیولوژیکی دو رقم فلفل

نوع مقاله : مقاله پژوهشی

نویسندگان

1 هیت علمی/ دانشگاه تبریز

2 دانش آموخته دانشگاه تبریز، گروه علوم و مهندسی باغبانی، دانشکده کشاورزی، دانشگاه تبریز، تبریز، ایران.

3 دانشگاه تبریز دانشکده کشاورزی گروه علوم باغبانی

4 دانشجوی دکتری فیزیولوژی تولید و پس از برداشت گیاهان دارویی، گروه علوم و مهندسی باغبانی، دانشکده کشاورزی، دانشگاه تبریز، تبریز،

5 دانشگاه تبریز

10.22034/saps.2023.55214.2988

چکیده

چکیده
اهداف: هدف از پژوهش بررسی محلول­های غذایی مناسب برای حصول کیفیت مناسب و خصوصیات فیزیولوژی مناسب می­باشد. لذا در این پژوهش تأثیر محلول­های غذایی مختلف بر برخی خصوصیات فیزیولوژیکی و همچنین خصوصیات کیفی دو رقم فلفل (دیماز و کالیفرنیاواندر) تحت شرایط هیدروپونیک مورد بررسی قرار گرفت.
 
مواد و روش­ها: در این آزمایش، تأثیر چهار نوع محلول غذایی (هوگلند 1، هوگلند 2، انگلستان و ناپ) در سه تکرار روی دو رقم (دیماز و کالیفرنیاواندر) به­صورت آزمایش فاکتوریل در قالب طرح بلوک­های کامل تصادفی در سال 1395-96 در گلخانه تحقیقاتی گروه علوم باغبانی دانشکده کشاورزی دانشگاه تبریز مورد بررسی قرار گرفت. صفات مرتبط با خصوصیات فیزیولوژیک (شاخص کلروفیل، غلظت عناصر نیتروژن، فسفر و پتاسیم برگ) و صفات کیفی میوه فلفل (طول و قطر میوه، مواد جامد محلول، EC میوه، اسیدیته قابل تیتراسیون و ویتامین ث) مورد بررسی قرار گرفت.
 
یافته­ها: باتوجه­به نتایج می­توان گفت که رقم دیماز بیشترین مواد جامد محلول کل و pH را به خود اختصاص داد. بیشترین شاخص کلروفیل (5/49 واحد اسپد) در تیمار هوگلند 1 به­دست آمد. تأثیر تیمارها و ارقام بر غلظت نیتروژن برگ معنی­دار شد، به­طوری­که بیش‌ترین میزان نیتروژن به­ترتیب در ترکیب تیماری رقم دیماز با هوگلند 1 (2/3 میلی­گرم بر گرم وزن خشک برگ) و هوگلند 2 (1/3 میلی­گرم بر گرم وزن خشک برگ) و رقم کالیفرنیاواندر با هوگلند 2 (15/3 میلی­گرم بر گرم وزن خشک برگ) مشاهده شد. غلظت فسفر برگ نیز به­ترتیب برای محلول غذایی هوگلند 1 در رقم کالیفرنیاواندر (9/1 میلی­گرم بر گرم وزن خشک برگ) و محلول غذایی انگلستان در رقم دیماز (85/1 میلی­گرم بر گرم وزن خشک برگ) مشاهده شد.
 
نتیجه­ گیری: با­توجه­به نتایج، محلول غذایی انگلستان با تأثیر مطلوب بر روی برخی خصوصیات کیفی به­عنوان مناسب­ترین محلول غذایی برای کشت و پرورش فلفل در این آزمایش معرفی شد.
 

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

The Effect of Different Food Solutions on the Qualitative and Physiological Characteristics of two Varieties of Pepper

نویسندگان [English]

  • jaber panahandeh 1
  • Rana Ohebbi Mayan 2
  • Sahebali Bolandnazar 3
  • Mina Amani 4
  • zahra dadashian 5
1
2 1. Graduated from Tabriz University, Department of Horticultural Science and Engineering, Faculty of Agriculture, Tabriz University, Tabriz, Iran.
3 Department of Horticulture, Faculty of Agriculture, University of Tabriz
4 PhD Student in Production and Post-Harvest Physiology of Medicinal Plants, Department of ‎Horticultural Science and Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.‎
5 University of Tabriz
چکیده [English]

Abstract
Background & Objective: The aim of this study was to evaluation of the effect of different nutrient solutions on the phsyological characteristics and fruit yield and quality of pepper for chosing and advaising the suitable nutrient solution for hydroponically growing of pepper plant plant.
 
Materials  &Methods: In this experiment, the effect of four nutrient solutions (Hoagland 1, Hoagland 2, England and Knop) on the fruit yield and quality were evaluated. The experiment was carried out as a factorial based on randomized compelet block with three replication, in which the first factor was the four nutrient solutions and the second was the two pepper cultivars (Dimaz and California wonder). Traits related to physiological characteristics (chlorophyll index, leaf nitrogen, phosphorus and potassium content) and pepper fruit characteristics (fruit length and diameter, TSS, EC, titratable acidity and vitamin C) were assesed.
 
Results: According to the results, Dimaz cultivar has the highest fruit total soluble solids (TSS) and pH. The highest chlorophyll index (49.5 spad units) was obtained in Hoagland 1 nutrient solution. The interaction of nutrient solution and cultivars on leaf nitrogen concentration was significant, so that the highest amount of nitrogen obtained in the combination of Dimaz variety with Hoagland 1 (3.2 mg/g DLW) and Hoagland 2 (1.3 mg/g DLW) and Californiawander cultivar with Hoagland 2 (3.15 mg/g DLW). The highest concentration of leaf phosphorus were observed in  treatment combination of Hoagland I with Californiawander cultivar (1.9 mg/g DLW) and the English nutrient solution with the Dimaz cultivrs (1.85 mg/g DLW).
 Conclusion: According to the results, England nutrient solution with a favorable effect on some qualitative characteristics was introduced as the most suitable nutrient solution for pepper cultivation in our experiment.
 

کلیدواژه‌ها [English]

  • Chlorophyll Index
  • Hoagland
  • NPK Elements
  • Soluble Solids
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