تاثیرجایگزینی نسبی کودهای آلی بر محتوای عناصر، برخی ویژگی های فیزیولوژیک و عملکرد شاهی (.Lepidium sativum L)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه زراعت واصلاح نباتات، دانشگاه شهید مدنی آذربایجان

2 گروه بیوتکنولوژی، دانشگاه شهید مدنی آذربایجان

3 گروه باغبانی، دانشگاه مراغه

چکیده

به منظور بررسی تاثیر کودهای آلی بر رشد وبرخی صفات فیزیولوژیک و عملکرد  شاهی آزمایشی در قالب طرح بلوک­های کامل تصادفی با سه تکرار درگلخانه تحقیقاتی دانشگاه شهید مدنی آذربایجان اجرا شد. تیمارهای آزمایشی شامل جایگزینی کودهای آلی (مرغی، دامی و ورمی کمپوست) به میزان 10 و 20 درصد حجم گلدان و خاک معمولی (شاهد) بود. نتایج نشان داد که بیشترین ارتفاع بوته، طول ریشه، عرض برگ، وزن خشک ساقه و ریشه، تحت تاثیر تیمارهای کودی با جایگزینی10 و 20 درصد ورمی کمپوست مشاهده شد. افزایش محتوای کلروفیل bدر تیمار­های 10 درصد کود دامی و ورمی کمپوست و کلروفیل  a در تیمار 20 درصد ورمی کمپوست ومحتوای فنل و فلاونوئید کل در تیمار10 درصد ورمی کمپوست مشاهده شد. محتوای روی نمونه­ها تحت تاثیر هر دوسطح کودهای مرغی (120-7/122 میکرو­گرم/ گیاه) و دامی (7/119-3/123 میکرو­گرم/ گیاه)، منگنز (6/378-8/341 میکرو­گرم/ گیاه) و آهن (3/733- 800 میکرو­گرم/ گیاه) تحت تاثیر هر دو سطح تیمار ورمی­کمپوست قرار گرفتند. محتوای منیزیم تحت تاثیر هردو سطح کود دامی (03/7-2/8 میلی­گرم/ گیاه)، محتوای پتاسیم تحت تاثیر 20 درصد جایگزینی با کود ورمی کمپوست
(6/8  میلی­گرم/ گیاه)  و 20 درصد کود دامی (4/7 میلی­گرم در هر گیاه) قرار گرفت. کمترین میزان کلسیم
(6/4 میلی­گرم/ گیاه) در تیمار شاهد مشاهده گردید. سطوح کودی 20 درصد کود مرغی موجب افزایش محتوی نیتروژن گردید. به نظر می­رسد که جایگزینی کودهای آلی با تاثیر بر ویژگی­های خاک و بهبود جذب عناصر توسط ریشه محتوای عناصر معدنی  و ترکیب و محتوای ترکیبات آلی گیاه را به صورت معنی­داری تحت تاثیر قرار می­دهد و می­توان انتظار داشت که با مدیریت مصرف کودهای آلی بتوان شاخصه­های کمی و کیفی شاهی را در جهت بهبود ویژگی­های تغذیه­ای ودرمانی بهبود بخشید.
 

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

The Effects of Relative Substitution of Organic Fertilizers on Elementes Content, Some Physiological Traits and Yield of Lepidium sativum L.

نویسندگان [English]

  • Lamia Vojodi Mehrabani 1
  • Rana Valizadeh Kamran 2
  • Mohammad Bagher Hassanpouraghdam 3
چکیده [English]

An experiment was conducted to study the effects of partial substitution of some organic fertilizers on the growth, yield and some physiological traits (elemental content, as well as phenolics, flavonoids and chlorophyll content of lepidium sativum as RCBD with three replications. Treatments were including control, (common soil) and different levels of vermicompost (10 and 20 %), poultry and cow manure substitution in soil. The results revealed that the highest plant height, root length, leaf widths and stem and root dry weight were observed with 10 and 20% of vermicompost. Chlorophyll a content had highest amount at 20% vermicompoust and chlorophyll b content had the highest amount with 10% vermicompost and cow manure substitution and for total flavonoids, 10 % vermicompost hold the highest data. For the elements, Zn content was affected by the poultry (120-122.7 µg/plant) and cow manure (119.7-123.3 µg/plant) substitution. Mn2+(341.8-378.6 µg/plant) and Fe2+ (733.3-800 µg/plant)compositional amounts were statistically affected by vermiconpost. K+content (7.4 mg/plant) were positively responded to cow manure and vermicompost (8.6 mg/plant) both at 20% substitution. The lowest data for Ca2+content was belonged to control (4.6 mg/plan). 20% poultry and cow manures affected N content of the plant. It seems that organic fertilizers substitution affects the soil characteristics and improves nutrients absorption and hence influences the vegetative growth, elemental content of plants tissue as well as the organic compounds pool. Finally, it is worthy of note that with the suitable management of organic fertilizers utilization we would be able to promote the yield and quality attributes of the plant in favor of nutritional and therapeutic plant properties.
 
 

کلیدواژه‌ها [English]

  • Lepidium sativum
  • Elemental Content
  • Phenol
  • Organic Fertilizer
  • Vermicompost

مراجع

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دانش کشاورزی وتولید پایدار
دوره 27، شماره 3
مهر 1396
صفحه 63-72

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