ارزیابی صفات فیزیولوژیکی و عملکرد دانه بالنگوی شهری(Lallemantia iberica Fischer & C.A. Meyer ) تحت تنش خشکی و استفاده از کودهای زیستی و شیمیایی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه تبریز

2 استاد دانشکده کشاورزی دانشگاه تبریز

10.22034/saps.2024.59997.3157

چکیده

مقدمه و اهداف: برای ارزیابی اثرات محدودیت آبی و کاربرد کودهای زیستی و شیمیایی بر برخی ویژگی‌های فیزیولوژیکی و عملکرد دانه گیاه دارویی بالنگوی شهری (Lallemantia iberica Fischer & C.A. Meyer)، یک آزمایش مزرعه‌ای به‌صورت اسپلیت پلات بر پایه طرح بلوک‌های کامل تصادفی با سه تکرار اجرا گردید.
 
مواد و روش­ها: سطوح مختلف آبیاری (1I، 2I، 3I و 4I: به ترتیب آبیاری پس از 70، 100، 130 و 160 میلی‌متر تبخیر از تشتک تبخیر کلاس A) در کرت‌های اصلی و تیمارهای مختلف کودی (کود شیمیایی فسفات آمونیوم، کود زیستی ازتو بارور ۱ + فسفات بارور ۲ و ورمی‌کمپوست) و شاهد در کرت‌های فرعی قرار گرفتند.
 
یافته­ها: استفاده از تیمارهای کودی با بهبود کارایی فیزیولوژیکی و کاهش دمای برگ سبب افزایش رشد و عملکرد دانه بالنگوی شهری شد، هرچند که این افزایش وابسته به نوع کود مصرفی بود. استفاده از فسفات آمونیوم و کود زیستی در تمام سطوح آبی موجب افزایش درصد آب برگ، شاخص کلروفیل برگ و عملکرد دانه و بیولوژیکی گردیدند. اثر کود فسفات آمونیوم در افزایش کارایی فیزیولوژیکی گیاهان در سطح آبیاری مطلوب و تنش‌های خشکی ملایم و متوسط بارزتر بود. هرچند در تنش شدید آبی، تأثیر کودهای زیستی برافزایش کارایی فیزیولوژیکی و رشد گیاهان بیشتر بود.
 
نتیجه­گیری: نتایج این پژوهش نشان‌دهنده تأثیر مثبت کودهای زیستی در بهبود عملکرد گیاه بالنگوی شهری تحت تنش خشکی شدید است.
 

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Evaluating the Physiological Traits and Grain yield of Dragon head (Lallemantia iberica Fischer & C.A. Meyer) under Drought Stress and application of Biological and Chemical Fertilizers

نویسندگان [English]

  • Seyedeh Vajiheh Jalali 1
  • Safar Nasrollahzadeh 2
  • Jalil Shafagh Kolvanagh 2
1 University of Tabriz
2 Prof. , Faculty of Agriculture Univ. Tabriz
چکیده [English]

Background & Objectives: To assess the impact of water scarcity and the use of biological and chemical fertilizers on the physiological traits and seed yield of the medicinal plant Lallemantia iberica Fischer & C.A. Meyer, a field experiment was conducted as a split-plot based on a randomized complete block design with three replicates.
Materials & Methods: Different levels of irrigation (I1, I2, I3, and I4, representing irrigation after 70, 100, 130, and 160 mm of evaporation from a class A pan, respectively) were assigned to the main plots, while different fertilizer treatments (ammonium phosphate chemical fertilizer, Azoto Fertilizer 1 + Phosphate fertilizer 2, and vermicompost) were applied to the sub-plots.
Results: Application of fertilizer treatments improved the physiological performance and reduced leaf temperature, leading to an increase in the growth and grain yield of dragon head. However, the extent of this increase depended on the type of fertilizer used. The application of both ammonium phosphate and biofertilizer at all irrigation levels led to an increase in the relative water content of leaves, leaf chlorophyll index, grain and biological yields. The impact of using ammonium phosphate fertilizer to enhance the physiological efficiency of plants under optimal and mild drought stress conditions was much obvious. However, in cases of severe water stress, the impact of biofertilizers on improving physiological efficiency and growth of plants was more pronounced.
Conclusion: This result demonstrates the positive impact of biofertilizers on enhancing the grain yield of dragon head plants under severe drought stress.
 

کلیدواژه‌ها [English]

  • Water Stress
  • Ammonium Phosphate
  • Biofertilizer
  • Grain Yield
  • Plant Biomass

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دانش کشاورزی وتولید پایدار
دوره 35، شماره 3
1404
صفحه 125-138

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