بررسی ترکیبات فیتوشیمیایی علف‌هرز کاهوی وحشی Lactuca serriola L. (مطالعه موردی مزارع روستای وامنان شهرستان آزاد شهر)

نوع مقاله: پژوهشی

نویسندگان

1 استادیار، گروه تولیدات گیاهی، دانشکده کشاورزی و منابع طبیعی دانشگاه گنبد کاووس

2 گروه علوم دامی، دانشکده کشاورزی و منابع طبیعی دانشگاه گنبدکاووس، گنبدکاووس، ایران

3 گروه تولیدات گیاهی، دانشکده کشاورزی و منابع طبیعی، دانشگاه گنبدکاووس، گنبدکاووس، ایران

چکیده

آزمایشی با هدف تجزیه برخی از ترکیبات اولیه و ثانویه در اندام‌های مختلف کاهوی وحشی (Lactuca serriola L.) در مرحله فنولوژیکی رویشی انجام شد. پس از جمع‌آوری اندام‌های هوایی کاهوی وحشی از سطح مزارع روستای وامنان از توابع شهرستان آزاد شهر، اندام‌های محتلف نظیر ریشه، ساقه و برگ به‌تفکیک از یکدیگر جدا، خشک و پودر گردید. هم‌چنین مخلوطی از اندام‌ها به‌عنوان تیمار دیگر برای مقایسه با سایر اندام‌ها در نظر گرفته شد. سپس اندام‌های مختلف کاهوی وحشی و مخلوطی از آن‌ها از لحاظ برخی از ترکیبات اولیه نظیر میزان ماده آلی، خاکستر خام، پروتئین، آمینو اسید پرولین، نشاسته، قندهای محلول به‌علاوه از لحاظ شاخص پایداری غشای سلولی و ترکیبات ثانویه فنل کل و آنتوسیانین‌ نیز مورد تجزیه کمی قرار گرفتند. نتایج نشان داد که اندام‌های مختلف  کاهوی وحشی از مقادیر مختلف متابولیت‌های اولیه و ثانویه و به‌علاوه شاخص پایداری غشای سلولی برخوردار بودند. براساس نتایج، اندام برگ کاهوی وحشی به‌ترتیب از بیشترین و کمترین میزان ماده آلی و خاکستر خام برخوردار بود. هم‌چنین بیشترین میزان ترکیبات پروتئین، نشاسته و اسمولیت‌های سازگار کننده قندهای محلول و پرولین مربوط به اندام برگ بود. بیشترین میزان فنل کل و آنتوسیانین به اندام برگ اختصاص داشت که همبستگی مثبت و معنی‌داری را با شاخص پایداری غشای سلولی نشان دادند. با توجه به زیست توده بالای کاهوی وحشی، پیشنهاد به تجزیه سایر ترکیبات شیمیایی موجود در آن می‌باشد. جهت استفاده از ترکیبات آن‌ها برای تهیه علف‌کش‌های زیستی نیاز به آزمایشات تکمیلی می‌باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Study of phytochemical compounds of Lactuca serriola L. (case study of the fields of Vamenan village in Azadshar)

نویسندگان [English]

  • Ebrahim Gholamalipour Alamdari 1
  • Maral Iri 2
  • Javad Bayat Kohsar 2
  • zeinab avarseji 3
1 Department of Plant Products, College of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Iran
2 Department of Animal Science, College of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Iran
3 Department of Plant Products, College of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Iran
چکیده [English]

This experiment was carried out to analyze some primary and secondary compounds in various organs of Lactuca serriola during phenological vegetative growth stage. After collecting aerial parts of L. Serriola from the farms in Vamenan village in Azadshar, various organs such as root, stem, and leaf were dried and powdered separately. Also, mixed organs were considered as another treatment for comparison. Then various organs of L. serriola and a mixture of them were analyzed qualitatively for primary metabolites like organic matter, raw ash, protein, proline, starch and soluble sugar as well as membrane stability index and some secondary metabolites like total phenols and anthocyanin. Results showed that various organs of L. serriola had a various content of primary and secondary metabolites as well membrane stability index. On the basis of the findings, the highest and lowest contents of organic matter and raw ash were obtained in leaf, respectively. The highest content of protein, starch and compatibility osmotic of soluble sugar and proline also were found in the leaf organ. The highest content of total phenols and anthocyanin were obtained in leaf showing a positive and significant correlation with membrane stability index. Regarding the high biomass generated from L. serriola, it is suggested to analyze the other chemical compounds in this plant. Complimentary studies are required to exploit the application of these compounds as bio herbicide.

کلیدواژه‌ها [English]

  • Anthocyanins
  • Compatibility osmolytes
  • Membrane stability index
  • Protein
  • Total phenols
  • Weeds
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