نوع مقاله : مقاله پژوهشی

نویسندگان

1 مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان آذربایجان شرقی، سازمان تحقیقات، آموزش و ترویج کشاورزی، تبریز، ایران

2 بخش تحقیقات فنی و مهندسی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی همدان، سازمان تحقیقات، آموزش و ترویج کشاورزی، همدان، ایران.

چکیده

به­دلیل اهمیت دارویی و غذایی سیر، مصرف جهانی آن رو به افزایش است. بنابراین، تولید محصولی با کیفیت بالاتر بر قابلیت بازارپسندی آن اثر قابل ملاحظه‌ای می‌گذارد. لذا جهت بررسی اثرهای عناصر روی و منگنز بر عملکرد، کیفیت و بازارپسندی سیر، این پژوهش به صورت آزمایش فاکتوریل، در قالب طرح پایه بلوکهای کامل تصادفی، با سه تکرار، در استان همدان و در طی سالهای 91-1389 اجرا شد. فاکتورها شامل کود روی در چهار سطح (صفر، 20، 40 و 60 کیلوگرم در هکتار سولفات روی پودری 33  درصد (ZnSO4. H2O)) و کود منگنز در سه سطح (صفر، 20 و 40 کیلوگرم در هکتار سولفات منگنز 31 درصد (MnSO4. H2O)) بود. نتایج ادغام شده دو سال نشان داد اثر اصلی روی بر عملکرد سیر، مقدار روی برگ و سوخ، اسید پیرویک غیرآنزیمی و مواد جامد محلول در سطح احتمال پنج درصد معنی­دار شد. بیشترین عملکرد از تیمار مصرف 20 کیلوگرم در هکتار سولفات روی و به مقدار 7997 کیلوگرم در هکتار و کمترین آن از تیمار عدم مصرف کود روی و به مقدار 6099 کیلوگرم در هکتار به­دست آمد. اثر اصلی منگنز بر عملکرد و غلظت مواد جامد محلول درسطح احتمال پنج درصد معنی‌دار شد و با افزایش مصرف منگنز، عملکرد روند افزایشی نشان داد. ولی اثر منگنز بر سایر فاکتورهای اندازه­گیری شده معنی­دار نگردید. اثر متقابل دو جانبه روی و منگنز بر تعداد سیرچه­ها و غلظت مواد جامد محلول معنی­دار گردید. در مجموع، مصرف 20 کیلوگرم در هکتار سولفات روی و 40 کیلوگرم در هکتار سولفات منگنز برای افزایش عملکرد و بهبود برخی ویژگی­های کیفی سیر برای مناطق و شرایط مشابه با شرایط پژوهش حاضر، قابل توصیه می­باشد.

کلیدواژه‌ها

عنوان مقاله [English]

Zinc and manganese nutrients influence on yield and some qualitative attributes of Hamedan white garlic

نویسندگان [English]

  • Rahim Motallebifard 1
  • Fariba Bayat 2

1 Research Assistant Professor of Soil and Water Research Department, East Azerbaijan Agricultural and Natural Resources Research and Education Center, AREEO, Tabriz, Iran.

2 Agricultural Engineering Research Department, Hamedan Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extention Organization (AREEO), Hamedan, Iran.

چکیده [English]

With the increasing of demand for medicinal plants, the world consumption of garlic in many continues is growing. Therefore, the quality can influence the acceptability of the products by consumers. The study was conducted to investigate the effect of Zinc (Zn) and Manganese (Mn) micronutrients on yield and growth parameters of garlic (Allium sativum L.).  The experiment was laid out in Hamedan province during 2010-2012 as factorial experiment based on randomized complete block design with three replications. The experimental was conducted with four levels of Zn (0, 20, 40 and 60 kg ha-1) and three levels of Mn (0, 20 and 40 kg ha-1). As the results, the yield and growth parameters correlated significantly with increasing of zinc concentration. The highest yield (7997 kg ha-1) was obtained by application of 20 kg ha-1 zinc sulfate respective to the control (6099 kg ha-1). Significant correlation was obtained between Mn concentration and plant yield, and soluble solids concentration only. The interaction of Zn and Mn application were significant on number of gloves and brix. In general, to increase the yield and improvement the quality of garlic, application of 20 kg ha-1 zinc sulfate and 40 kg ha-1 manganese sulfate could be recommended for regions and conditions like of current project conditions.

کلیدواژه‌ها [English]

  • Color of bulbs
  • Flavor and perfume compounds
  • Pyruvate and quality
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