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ارزیابی اثر گوگرد گرانوله و تاریخ کاشت بر عملکرد و اجزای عملکرد کدوی پوست کاغذی (Cucurbita pepo L.) | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 11، دوره 34، شماره 5 - شماره پیاپی 91، آذر و دی 1397، صفحه 820-835 اصل مقاله (253.11 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2018.116894.2227 | ||
| نویسندگان | ||
| فاطمه میرزایی1؛ محمد علی بهدانی* 2؛ مجید جامی الاحمدی2 | ||
| 1دانشجوی کارشناسی ارشد، گروه زراعت، دانشکده کشاورزی، دانشگاه بیرجند، ایران | ||
| 2دانشیار، گروه زراعت، دانشکده کشاورزی، دانشگاه بیرجند، بیرجند، ایران | ||
| چکیده | ||
| کدوی پوست کاغذی به‌دلیل کاربرد فراوان آن در صنایع داروسازی و پزشکی و به‌ویژه در درمان پروستات از اهمیت زیادی برخوردار است. به‌منظور تعیین تاریخ کاشت مناسب و ارزیابی اثر گوگرد بر عملکرد و اجزای عملکرد کدوی پوست کاغذی (Cucurbita pepo L.) مطالعه‌ای به‌صورت آزمایش فاکتوریل، در قالب طرح بلوکهای کامل تصادفی با 3 تکرار و دو فاکتور در مزرعه‌ای در شهرستان خلیل‌آباد واقع در استان خراسان رضوی، در سال زراعی 1394-1393 انجام شد. فاکتورهای آزمایش شامل تاریخ کاشت در 3 سطح (اول، 10 و 20 اردیبهشت) و کاربرد گوگرد آلی گرانوله در 4 سطح (صفر، 150، 300 و 450 کیلوگرم در هکتار) بودند. نتایج نشان داد که اثر تاریخ کاشت بر طول ساقه اصلی، تعداد شاخه جانبی، بیوماس کل، تعداد دانه در میوه، وزن دانه در میوه، وزن هزاردانه، عملکرد میوه و دانه در هکتار و درصد روغن معنی‌دار بود. با تأخیر در کاشت از اول اردیبهشت به 20 اردیبهشت، وزن هزاردانه 14% کاهش یافت. نتایج بهینه بودن تاریخ کاشت اول اردیبهشت را در بین تیمارهای تاریخ کاشت در بیشتر صفات مورد بررسی نشان داد. بالاترین طول ساقه اصلی، ضریب تبدیل گل و تعداد میوه در بوته مربوط به کاربرد 450 کیلوگرم گوگرد در هکتار بود. بالاترین عملکرد دانه در تیمار کاربرد 300 کیلوگرم گوگرد در هکتار مشاهده شد. نتایج نشان داد که کاربرد 300 و 450 کیلوگرم گوگرد در هکتار در تاریخ کشت اول در پارامترهای عملکرد میوه در هکتار، عملکرد دانه در هکتار و درصد روغن دارای مقادیر بیشتری نسبت به سایر تیمارها بود. نتایج بیانگر اثرهای سودمند کاربرد کودهای گوگردی به مقدار 300 یا 450 کیلوگرم در هکتار، برای گیاه کدوی پوست کاغذی در تاریخ اول اردیبهشت بود. | ||
| کلیدواژه‌ها | ||
| رشد رویشی؛ عناصر ماکرو؛ گیاه دارویی؛ عملکرد دانه | ||
| عنوان مقاله [English] | ||
| Effects of granular sulphur and planting date on yield and yield components of pumpkin (Cucurbita pepo L.) | ||
| نویسندگان [English] | ||
| F. Mirzaei1؛ M.A. Behdani2؛ M. Jamialahmadi2 | ||
| 1M.Sc. student, Department of Agronomy, Agricultural Faculty, Birjand University, Birjand, Iran | ||
| 2Department of Agronomy, Agricultural Faculty, Birjand University, Birjand, Iran | ||
| چکیده [English] | ||
| In order to determine the appropriate planting date and evaluate the effect of sulfur on yield and yield components of pumpkin (Cucurbita pepo L.), a factorial experiment was conducted based on a randomized complete block design with three replications and two factors in Khalilabad, Khorasan Razavi, in 2016 cropping year. The experimental factors were three planting dates (20 and 30 April and 10 May) and application of granular sulfur at four levels (0, 150, 300, and 450 kg ha-1). The results showed that planting date significantly affected the main stem length, branch number, total biomass, number of seeds per fruit, seed weight per fruit, 1000-seed weight, fruit and seed yield per hectare and oil percentage. Delayed planting from 20 to 30 April decreased the weight of 1000-seed by 14%. The highest seed yield was achieved by applying 300 kg sulfur per hectare. The fruit yield and seed oil percentage were higher in the first planting date and application of 300 kg sulfur ha-1. In general, this study showed that the first planting date (20 April), with the application of at least 300 kg ha-1 of sulfur fertilizer, would provide the best conditions for pumpkin yield. | ||
| کلیدواژه‌ها [English] | ||
| Vegetative growth, macro elements, medicinal plant, seed yield | ||
| مراجع | ||
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