ارزیابی عملکرد رزماری (Rosmarinus officinalis L) با سطوح کود دامی تحت شرایط تنش شوری

نوع مقاله: علمی پژوهشی

نویسندگان

1 دانشیارگروه کشاورزی، دانشگاه پیام نور، ایران

2 دانشجوی کارشناسی ارشد زراعت، دانشگاه پیام نور، مرکز زاهدان، زاهدان، ایران

3 استادیارگروه کشاورزی، دانشگاه پیام نور، ایران

4 استادیارگروه تولیدات گیاهی، مجتمع آموزش عالی شیروان، شیروان، ایران

چکیده

اثر سطوح مختلف کود دامی و تنش شوری بر عملکرد کمّی گیاه دارویی رزماری در آزمایشی ب ه­صورت طرح کرت­ های خرد شده در قالب بلوک ­های کامل تصادفی با سه تکرار در مزرعه­ ای واقع در شهر زاهدان، در کشت پاییزه در سال 93 -1392 بررسی گردید. تیمارهای آزمایشی شامل شوری در دو سطح (آبیاری با آب معمولی شهر زاهدان S1: 1/1 ds/m و آبیاری با آب شور زاهدان S2: 4/4ds/m) به­ عنوان فاکتور اصلی و مصرف کود دامی در چهار سطح (M1: بدون مصرف کود، M2: مصرف 15 تن در هکتار، M3: مصرف 30 تن در هکتار و M4:مصرف 45 تن در هکتار کود دامی) به ­عنوان فاکتور فرعی در نظر گرفته شدند. نتایج حاصل نشان داد که تنش شوری در مقایسه با آبیاری با آب معمولی اثر معنی­ داری بر ارتفاع بوته، وزن تر ساقه، وزن خشک ساقه، عملکرد اندام هوایی و عملکرد اسانس رزماری نداشت، اما باعث کاهش مقادیر اندازه­ گیری شده برای صفات وزن خشک و تر برگ، نسبت برگ به ساقه، ارتفاع بوته و درصد اسانس شد. مقایسه میانگین­ های سطوح مختلف کود دامی نشان داد که مصرف 45 تن در هکتار کود دامی منجر به افزایش اکثر صفات مورد بررسی در این آزمایش گردید، البته، بین این تیمار با تیمار مصرف 30 تن در هکتار کود دامی تفاوت معنی ­داری وجود نداشت. نتایج حاصل از این بررسی نشان داد که اگرچه آبیاری با آب شرب سبب بهبود برخی صفات رزماری گردید اما تفاوت معنی­ داری بین آبیاری با آب شرب و شور خصوصاً برای صفات عملکرد برگ و عملکرد اسانس مشاهده نشد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of Using Different Levels Manure on Quality and Quantity of Rosemary (Rosmarinus officinalis L.) under Salt Stress Condition

نویسندگان [English]

  • Issa Piri 1
  • Abbas Harati 2
  • Abolfazl Tavassoli 3
  • Mahdi Babaeian 4
1 Associate Prof., Department of Agriculture, Payame Noor University, Iran
2 M.Sc. Student of Agronomy, Payame Noor University, Zahedan Center, Zahedan, Iran
3 Assistant Prof., Department of Agriculture, Payame Noor University, Iran
چکیده [English]

To study the effects of using different levels manure under salt stress conditions on the quantity and quality of rosemary a field experiment is conducted in split plot experiment based on randomized complete block design with three replications at Zahedan during fall season of 2013-2014. The experimental treatments consisted of salinity with two levels (irrigating the field with drinking water of Zahedan [EC = 1.1 ds/m (S1)] and irrigating the field with salty water of Zahedan [EC = 4.4 ds/m (S2)] considered as the main factor and using manure with four levels (M1- without manure, M2- 15 t.ha-1, M3 - 30 t.ha-1 and M4 - 45 t.ha-1) as sub factor. Traits evaluated were plant height, leaf dry weight, leaf to stem ratio, shoot dry weight, percentage and yield of essence. Experimental results showed the salt stress did not affect significantly plant height, shoot fresh weight, shoot dry weight, biomass and essence of rosemary as comparied with drinking water (non-salinity), but a decreasing effect of saline water was observed. Using 45 t.ha-1 of manure, in comparison with other manure treatments, did have beneficial effect on most of the traits under study. However, no significant difference was observed between this treatment and with that of 30 t/ha. The simple correlation showed there is a positive and significant relationship between plant biomass and all other traits. The results also showed that there was positive and significant relationship between essence percentage and essence yield.

کلیدواژه‌ها [English]

  • manure
  • Rosemary
  • Salt stress
  • yield

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