Investigating flower yield and corm behavior of saffron under different dense planting systems in Kermanshah, western Iran

Document Type : Research Paper

Authors

Plant Production and Genetics Department, College of Agriculture and Natural Resources, Razi University, Kermanshah, I. R. Iran

Abstract

This study was conducted in Kermanshah, Iran (2016-2019), to investigate the effects of dense corm planting on the yield and yield components of saffron plants. The research was designed as a factorial experiment within a completely randomized design, with four repetitions. The experimental factors included harvest times (years) and dense corm planting at three levels: 100, 200, and 300 corms per square meter. The results showed that increasing dense corm planting over three years had a significant effect (P < 0.01) on several traits, including the number of flowers, fresh weight of petals, dry weight of stigmas, flowering duration (days), corm diameter, dry corm weight, and the number of daughter corms. The interaction effect of year and the planting density of corms was significant (P < 0.01) on all studied traits except for flowering duration. Using a high planting density of 300 corms per square meter over three years resulted in a decrease in the fresh weight of petals (65.6%) and the dry weight of stigmas (78.4%). Thus, a dense planting of 200 corms per square meter is recommended for achieving maximum yield and economic benefit in saffron cultivation under the climatic conditions of Kermanshah over three years.

Keywords

Main Subjects


Article Title [Persian]

بررسی عملکرد گل و رفتار بنه زعفران در تراکم های مختلف کشت در کرمانشاه، غرب ایران

Authors [Persian]

  • الناز زمانی
  • هومن سالاری
  • مهتاب مهرکیش
گروه مهندسی تولید و ژنتیک گیاهی، دانشکده علوم و مهندسی کشاورزی، دانشگاه رازی، کرمانشاه، ج. ا. ایران
Abstract [Persian]

این مطالعه به منظور بررسی تأثیر کاشت متراکم بنه بر عملکرد و اجزای عملکرد بوته زعفران با استفاده از آزمایش فاکتوریل در قالب طرح کاملاً تصادفی با چهار تکرار در سالهای 1395 تا 1398 در شهر کرمانشاه انجام شد. فاکتورهای آزمایش شامل سال و کاشت متراکم بنه در سه سطح 100، 200 و 300 بنه در متر مربع بود. نتایج تجزیه واریانس داده ها نشان داد که افزایش کاشت متراکم بنه در سه سال بر صفات تعداد گل، وزن تر گلبرگ، وزن خشک کلاله، مدت گلدهی (روز)، قطر بنه، وزن خشک بنه ها و تعداد بنه های دختری کاملاً معنی دار بود (p≤0.01). همچنین اثر متقابل سال بر کاشت متراکم بنه برای همه صفات مورد مطالعه به جز مدت گلدهی معنی‌دار بود (p≤0.01). در این تحقیق مشاهده شد که استفاده از تراکم کاشت بالا (300 بنه در متر مربع) به مدت سه سال باعث کاهش وزن تر گلبرگ ها (65.6 %) و وزن خشک کلاله ها (78.4 %) شد. با توجه به نتایج ما، کاشت متراکم بنه 200 بنه در متر مربع برای دستیابی به حداکثر عملکرد و سود اقتصادی در کشت زعفران در شرایط اقلیمی کرمانشاه طی سه سال توصیه می شود.

Keywords [Persian]

  • زعفران
  • عملکرد اقتصادی
  • قطر بنه
  • کاشت متراکم بنه
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