تأثیر محلول‌پاشی سولفات آهن و روی بر ویژگی‌های کمی و عملکرد اسانس گیاه گشنیز (Coriandrum sativum L.)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد زراعت، دانشگاه پیام نور کرج

2 دانشیار، گروه کشاورزی، دانشگاه پیام نور، تهران، ایران

3 استادیار، گروه کشاورزی، دانشگاه پیام نور، تهران، ایران

چکیده

به‌منظور بررسی تأثیرمحلول‌پاشی سولفات آهن و روی بر عملکرد کمی و کیفی گشنیز آزمایشی به‌صورت طرح بلوک­های کامل تصادفی در سه تکرار در سال 1394 در مزرعۀ تحقیقاتی دانشگاه پیام نور مرند اجرا شد. تیمارها شامل شاهد، محلول‌پاشی آهن (در مرحلۀ ساقه‌دهی، گلدهی و مرحله‌های ساقه‌دهی + گلدهی)، محلول‌پاشی روی (در مرحلۀ ساقه‌دهی، گلدهی و مرحله‌های ساقه‌دهی + گلدهی)، محلول‌پاشی آهن و روی (در مرحلۀ ساقه‌دهی، گلدهی و مرحله‌های ساقه‌دهی + گلدهی) بودند. نتایج نشان داد، محلول‌پاشی بر همۀ صفات مورد بررسی به‌جز شمار شاخه‌های فرعی تأثیر معنی‌دار داشت. کاربرد آهن و روی ویژگی‌های گیاه را در مقایسه با تیمار شاهد بهبود داد. بالاترین ارتفاع، شمار شاخۀ فرعی، وزن خشک کل، وزن هزاردانه، عملکرد دانه و عملکرد اسانس از محلول‌پاشی ترکیبی آهن و روی در هر دو مرحلۀ ساقه‌دهی و گلدهی به دست آمد. محلول‌پاشی آهن و روی در مرحله‌های ساقه‌دهی و گلدهی در مقایسه با تیمار شاهد عملکرد دانه را بیش از دو برابر افزایش داد. بیشترین و کمترین عملکرد اسانس (31/3 و 11/1 کیلوگرم در هکتار) به ترتیب از کاربرد تیمار‌های محلول‌پاشی آهن و روی در مرحله‌های ساقه‌دهی و گلدهی و تیمار شاهد به دست آمد. در کل نتایج نشان داد، محلول‌پاشی ترکیبی آهن و روی در مرحله‌های ساقه‌دهی و گلدهی‌ می‌تواند عملکرد کمی و کیفی گیاه گشنیز را بهبود داده و به‌عنوان یک راهکار مدیریتی مناسب استفاده شود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of foliar application of iron and zinc sulfate on quantitative traits and essential oil yield of coriander (Coriandrum sativum L.)

نویسندگان [English]

  • Behnam Rostami 1
  • Kamal-sadat Asilan 2
  • Saeed Yousefzadeh 3
  • Sirus Mansorifar 3
1 M. Sc. Student of Agronomy, Payamee Noor University, Karaj, Iran
2 Associate Professor, Department of Agriculture, Payame Noor University, Tehran, Iran
3 Assistant Professor, Department of Agriculture, Payame Noor University, Tehran, Iran
چکیده [English]

In order to investigation of effect of iron and zinc sulfate on quantitative and qualitative yield of coriander, an experiment was conducted as randomized complete block design with three replications during 2015 on the Research Field of Payam Noor University of Marand. Treatments consisted of control, foliar application of iron (in stem elongation, flowering and stem elongation + flowering stages), foliar application of zinc (in stem elongation, flowering and stem elongation + flowering stages) and foliar application of iron and zinc (in stem elongation, flowering and stem elongation + flowering stages). Results showed that foliar application had significant effect on all studied traits except number of lateral branches. The application of iron and zinc improved plant traits in comparison to control. The highest values of plant height, Number of lateral branch per plant, total dry weight, 1000-seed weight, seed yield and essential oil yield were gained of foliar application of iron and zinc in both stem elongation and flowering stages. Foliar application of Fe +Zn in stem elongation and flowering stages more than twice increased grain yield compare to control treatment. The highest and the lowest essential oil yield (3.31 and 1.11 kg/ha) was gained in application of Fe + Zn (in stem elongation and flowering stages) and control treatments respectively. In general, results showed that simultaneous foliar application of iron and zinc in stem elongation and flowering stages can be improved quantitative and qualitative yield of coriander which could be used as a suitable management strategy.

کلیدواژه‌ها [English]

  • Coriander
  • Essential oil yield
  • secondary metabolites
  • vegetative and reproductive stages
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