Yield, yield components, and essential oil content of dragon's head (Lallemantia iberica) intercropped with chickpea (Cicer arietinum l.)

Document Type : Research Paper


Department of Plant Eco-Physiology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran


Intercropping improves the efficiency of using resources such as water, nutrients, and solar radiation, which consequently increases yield per unit area. Moreover, it enhances soil fertility and plant nutrient supply. This study was conducted to evaluate the grain yield and production of dragon head essential oil under intercropping with chickpeas. The experiment was arranged in a randomized complete block design with three replications. Intercropping patterns included the pure stand of dragon's head, monoculture of two chickpea varieties (Azad, Arman), additive intercropping of the optimal density of Azad and Arman chickpea + 40%, 60%, and 80% of the optimum density of dragon's head. The highest and lowest biomass and grain yield of the dragon's head were obtained in sole cropping and 80% dragon's head + 100% Azad chickpea, respectively. Moreover, the highest essential oil content and yield of the dragon's head were obtained from the cropping pattern of 60% dragon's head + 100% Azad chickpea. Also, the land equivalent ratio (LER) was greater than one for all intercropping patterns, except for the intercropping of 80% dragon's head along with 100% Arman and Azad chickpeas, and the highest partial LER of dragon's head was obtained from intercropping of 40% dragon's head with100% Arman chickpea. In general, intercropping 40% dragon's head with100% density of both cultivars of the chickpea seems a suitable model for intercropping these two crops.


Article Title [Persian]

عملکرد، اجزای عملکرد و میزان اسانس بالنگوی شهری (Lallemantia iberica) در با نخود

Authors [Persian]

  • ولی خوشقدم پیره یوسفان
  • سعید زهتاب سلماسی
  • جلیل شفق-کلوانق
گروه اکوفیزیولوژی گیاهی، دانشکده کشاورزی، دانشگاه تبریز، تبریز
Abstract [Persian]

کشت مخلوط باعث افزایش عملکرد در واحد سطح، کارایی استفاده از منابعی مانند آب، مواد مغذی و تشعشعات خورشیدی، حاصلخیزی خاک و تامین مواد مغذی گیاه می ­شود. این مطالعه به منظور بررسی عملکرد دانه و تولید اسانس بالنگوی شهری، تحت تأثیر کشت مخلوط با نخود انجام شد. آزمایش در قالب طرح بلوک ­های کامل تصادفی با سه تکرار اجرا شد. الگوهای کشت مخلوط شامل کشت خالص بالنگوی شهری، کشت خالص دو رقم نخود (آزاد، آرمان)، کشت مخلوط افزایشی با تراکم مطلوب نخود آزاد و آرمان + 40، 60 و 80 درصد تراکم مطلوب بالنگوی شهری بود. نتایج نشان داد که بیشترین و کمترین بیوماس و عملکرد دانه بالنگوی شهری به ترتیب در تیمار کشت خالص و 80 درصد بالنگوی شهری + 100 درصد نخود آزاد به دست آمد. همچنین بیشترین میزان اسانس و عملکرد بالنگوی شهری از الگوی کشت 60 درصد بالنگوی شهری + 100 درصد نخود آزاد به دست آمد. افزون بر این، نسبت برابری زمین (LER)  به جز در کشت مخلوط 80 درصد بالنگوی شهری به همراه 100 درصد نخود آرمان و آزاد، از یک بیشتر بود و بیشترین LER جزء بالنگوی شهری از کشت مخلوط %40:100 بالنگوی شهری و نخود آرمان به دست آمد. به طور کلی با توجه به یافته­ های این مطالعه، کشت مخلوط %40:100 بالنگوی شهری و تراکم مطلوب هر دو رقم نخود مدل مناسبی برای کشت مخلوط این دو گیاه می­ باشد.

Keywords [Persian]

  • بالنگوی شهری
  • عملکرد اسانس
  • عملکرد دانه
  • کشت مخلوط
  • نسبت یرایری زمین
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