بررسی نحوۀ تکثیر و استقرار گونۀ Astragalus podolobus در مراتع خشک شمال گنبدکاووس

نویسنده

کارشناس ارشد مرتعداری، دانشکده کشاورزی و منابع طبیعی

10.22052/6.16.1

چکیده

گونۀ Astragalus podolobus یکی از گونه‌های بومی مراتع قشلاقی ترکمن‌صحراست که در مراتع تپه‌ماهوری با خاک لسی در مناطق خشک و نیمه‌خشک شمال گنبدکاووس رویش دارد. برای کشت و استقرار این گونه، آزمایش‌هایی شامل روش‌های مختلف تکثیر، کشت و استقرار این گونه در مراتع داشلی‌برون انجام شد. در این تحقیق، 4 تیمار برای تکثیر و 6 تیمار برای کشت و استقرار این گونه در نظر گرفته شد. در تکثیر این گونه، 4 تیمار شامل قلمه‌زنی با هورمون NAA، هورمون IBA، ترکیبی از این دو هورمون و تکثیر بوته با بذر لحاظ شد. آزمایش‌ها در قالب طرح‌ کاملاً تصادفی انجام پذیرفت. برای تجزیه و تحلیل آماری داده‌ها از نرم‌افزار SPSS استفاده شد. نتایج نشان داد مناسب‌ترین روش برای تولید بوته در این گونۀ گیاهی، تکثیر با بذر است. در این آزمایش، در روش کشت با بذر، 30‌درصد زنده‌مانی بوته‌ها در داخل گلدان‌های پلاستیکی مشاهده شد. در کشت و استقرار بوته‌های حاصل از بذر در عرصۀ مرتع در اسفندماه، 91‌درصد زنده‌مانی و در آذر ماه 65‌درصد زنده‌مانی مشاهده شد؛ اما کشت بوته در آذرماه رشد بیشتری نسبت‌به کشت زمستانه داشت.
 

کلیدواژه‌ها


عنوان مقاله [English]

The Assessment on Propagation Methods and Establishment of Astragalus podolobus Species in Arid Rangelands in North of Gonbad-e Qabus

نویسنده [English]

  • Khalil Agh
چکیده [English]

Astragalus podolobus is a native species of Turkmen Sahra and is used in rangelands in arid and semi-arid hilly loess soil located in north of Gonbad-e Qabus. For cultivation and establishment of this species, different propagation methods for the experiments had been used in pastures of Dashli Borun. In this study, 4 treatments for propagation and 6 treatments for establishment of this species were considered. For propagation of this plant, 4 treatments, including NAA and IBA hormones, were applied for cuttings and reproduction of plants by seeds. The experiments were conducted as completely randomized design. SPSS software was used for statistical analysis. The results showed that propagation by seed is the most appropriate method for A. podolobus plant. Thirty percent of seedling survived when seeds were used for propagation in plastic pots. In the cultivation and establishment of seedlings in rangeland in March, 91% survival rate was observed and in December, survival rate was recorded as 65%. Growing plants from seedlings cultivated in December showed more vigorous growth than the winter cultivation.
 

کلیدواژه‌ها [English]

  • Turkman-Sahra
  • Cuttings
  • Bush
  • Dashli-Broun
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