عکس العمل ریحان (Ocimum basilicum L) به نوع و مقدار کود آلی در کشت مخلوط با کنجد (Sesamum indicum L)

نوع مقاله: علمی پژوهشی

نویسندگان

1 دانشجوی دکتری فیزیولوژی گیاهی، دانشکده زراعی، دانشگاه ایلام، ایلام، ایران

2 دانشیار، گروه زراعت، پژوهشکده ژنتیک و زیست فناوری کشاورزی طبرستان، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

3 دانشیار دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

4 کارشناس ارشد محیط زیست

چکیده

به‎منظور ارزیابی کاربرد کودهای آلی بر عملکرد و شاخص‎های رقابتی ریحان (Ocimum basilicum L) در ترکیب­ های مختلف کشت مخلوط با کنجد (Sesamum indicum L)، آزمایشی به‎صورت کرت­ های خرد­شده بر پایه طرح بلوک­ های کامل تصادفی با سه تکرار در سال 1390 اجرا گردید. تیمار کودی شامل سطوح 20 و 40 تن در هکتار ورمی­کمپوست و لجن فاضلاب تلفیق­ شده با 50 درصد کود شیمیایی مورد نیار خاک، تیمار فقط کود شیمیایی (100 کیلوگرم در هکتار اوره، سوپر فسفات تریپل و سولفات پتاسیم) و شاهد (عدم کاربرد کود) در کرت ­های اصلی و پنج نسبت کاشت شامل تک­ کشتی ریحان و کنجد، 75% + 25%، 50% + 50% و 25% + 75% ریحان + کنجد در کرت­ های فرعی قرار گرفتند. در این آزمایش ترکیب­ های کاشت 25% ریحان +75% کنجد و 50% ریحان + 50% کنجد تحت کاربرد 40 تن در هکتار لجن فاضلاب تلفیق شده از بیشترین عملکرد اقتصادی (بیش از 47/3097 کیلوگرم در هکتار) و نسبت برابری زمین (بیش از 24/1) برخوردار بودند. به­ علاوه، برآورد ضریب غالبیت دو گونه گیاهی بیان­گر آن است که ریحان در ترکیب کاشت 25%ریحان + 75% کنجد و کنجد در ترکیب­ های کاشت 25% ریحان +75% کنجد و 50% ریحان + 50% کنجد تحت کاربرد کودهای آلی (به ­ترتیب در گستره­ ی عددی 0.12 تا 0.30 و 0.11 تا 0.57) به­ عنوان گونه غالب از توان رقابتی بالاتری برخوردار بودند.

کلیدواژه‌ها


عنوان مقاله [English]

Response of Basil (Ocimum basilicum L.) to Type and Amount of Organic Fertilizer Applications in Intercropping with Sesame (Sesamum indicum L.)

نویسندگان [English]

  • Alaleh Mottaghian 1
  • Hemmatollah Pirdashti 2
  • Mohammad Ali Bahmanyar 3
  • Bahareh Motaghian 4
1 Ph.D. Student of Plant Physiology, Agricultural Faculty, Ilam University, Ilam, Iran
2 Associate Professor, Agronomy Department, Genetics and Agricultural Biotechnology Institute of Tabarestan, Sari Agricultural Sciences and Natural Resources University. Sari, Iran
3 Associate Professor, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
4 Msc. of Environmental Science
چکیده [English]

To investigate the effect of organic fertilizer applications on yield and competition indices of basil (Ocimum basilicum L.) in different combinations of intercropping with sesame (Sesamum indicum L.), an experiment was carried out in split plot based on randomized complete block design with three replicates in 2011. The main plots were six fertilizer treatments consisted of 20 and 40 Mg ha-1 of vermicompost and sewage sludge plus 50% recommended chemical fertilizer, chemical fertilizer alone (100 kg ha-1 of urea, triple super phosphate and potassium sulfate) and control (no fertilizer application). Subplots were different planting ratios (sole cropping of basil and sesame, 75% + 25%, 50% + 50 %, 25% + 75% of basil+sesame). In this experiment, the 25% basil+75% sesame and 50% basil + 50%sesame under40 Mg. ha-1 of enriched sewage sludge application had the highest economical yield (up to 3097.47 kg ha-1) with a land equivalent ratio (up to 1.24). According to the aggressivity coefficient estimates of two plant species basil incombination of 25% basil + 75% sesame and sesame in 50% basil + 50% sesame and 75% basil + 25% sesame under organic fertilizer application would be dominant species competitave in ranges of 0.12 to 0.30 and 0.11 to 0.57, respectively.  

کلیدواژه‌ها [English]

  • Aggressivity value
  • land equivalent ratio
  • Sewage sludge
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