تأثیر تاریخ کاشت و کودهای با بنیان نانو بر صفات کمی و کیفی زعفران در منطقه گیلان

نوع مقاله: مقاله کامل

نویسندگان

1 دانشیار، گروه علوم باغبانی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران

2 دانشجوی سابق کارشناسی ارشد، باشگاه پژوهشگران جوان و نخبگان، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران

3 دانشیار، گروه تولیدات گیاهی، دانشکده‌ کشاورزی، دانشگاه تربت حیدریه، تربت حیدریه، ایران ‏

چکیده

به منظور بررسی خصوصیات کمی و کیفی زعفران (Crocus sativus L.) تحت تأثیر نانو کود کامل (0 (K0)، 5  (K1) و 10 (K2) میلی­گرم در لیتر)، نانو لوله کربن (0 (L0) و 2 (L1) میلی­گرم در لیتر) و تاریخ­های مختلف کاشت (25 مرداد (T1)، 5 شهریور (T2) و 15 شهریور (T3)) آزمایشی  به­صورت فاکتوریل در قالب طرح بلوک­های کامل تصادفی با سه تکرار انجام شد. نتایج نشان داد تأخیر در تاریخ کاشت به­همراه کاربرد نانو کودها موجب افزایش صفات کمی و کیفی زعفران شد و "L1K1T3" در صفات طول دوره گل‏‌‏دهی (66/14 روز)، تعداد گل (033/4 عدد)، وزن تر کلاله (0488/0 میلی­گرم)، وزن خشک کلاله (022/0 میلی­گرم)، سافرانال، پیکروکروسین و کروسین (به­ترتیب با 56/44، 13/81 و 33/188 حداکثر جذب در طول موج مشخص بر اساس ماده خشک حداقل) برترین تیمار بود و در تمام صفات مذکور، به جز پیکروکروسین، تفاوت معنی­داری با ""L1K2T3 نداشت. بیشترین مقدار آنتوسیانین گلبرگ متعلق به سه تیمار "L1K2T3"، "L1K2T2" و "L1K1T3" بود. به‏‌‏طورکلی می­توان گفت که کاربرد نانوکودها با فراهمی مناسب عناصر غذایی و کاشت بنه­ها در شهریور با فراهم نمودن رطوبت و دمای مناسب برای رشد، موجب بهبود عملکرد کمی و کیفی زعفران در این منطقه شد.

کلیدواژه‌ها


عنوان مقاله [English]

Effects of planting date and nano fertilizers on quantity and quality features of ‎saffron in Guilan

نویسندگان [English]

  • Davood Hashemabadi 1
  • Samane Zahiri Barsari 2
  • Fatemeh Zaredoost 2
  • Maryam Jadid Solymandarabi 2
  • Hassan Feizi 3
1 Associate Professor, Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran
2 Former M. Sc. Student, Young Researchers and Elite Club, Rasht Branch, Islamic Azad University, Rasht, Iran
3 Associate Professor, Department of Plant Production, University of Torbat Heydarieh, Torbat Heydarieh, ‎Iran
چکیده [English]

The present study aimed to study quantitative and qualitative traits of saffron (Crocus sativus L.) as affected by complete nano fertilizer (0 (K0), 5 (K1), and 10 (K2) mg l-1), carbon nanotube (0 (L0) and 2 (L1) mg l-1) and different planting dates (August 15 (T1), August 26 (T2), and September 5 (T3)) in a factorial experiment based on a RCBD with three replications. It was found that delayed sowing accompanied with the application of nano fertilizers promoted quantitative and qualitative traits; so that in the application of "L1K1T3" for the duration of flowering period (14.66 days), flower number (4.033), stigma fresh weight (0.0488 mg), stigma dry weight (0.022 mg), and safranal (44.56), picrocrocin (81.13) and crocin (188.33); However, "L1K1T3" is in all mentioned traits other than picrocrocin did not significant difference with "L1K2T3". The highest anthocyanin was obtained under "L1K1T3", "L1K2T3", "L1K2T2" and "L1K1T3". In total, it can be said that the quantitative and qualitative yield of saffron was improved by the application of nano fertilizers – through making the optimum nutrients available-and the planting of roots in August-September – through making the optimum moisture and temperature available.

کلیدواژه‌ها [English]

  • Crocin
  • nano fertilizer
  • Picrocrocin
  • safranal
  • vegetative traits
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