اثر کمبود آب روی خصوصیات رشد و گلدهی گل آهار

Subject Areas : Journal of Ornamental Plants

Kürşad Demirel ¹ , Gökhan Çamoğlu ² , Arda Akçal ³ , Hakan Nar ⁴ , Fatih Kahriman ⁵ , Levent Genç ⁶

1 - Çanakkale Onsekiz Mart University, Faculty of Architecture and Design, Department of Landscape Architecture, 17020, Çanakkale, Turkey
2 - Çanakkale Onsekiz Mart University, Faculty of Agriculture, Department of Agricultural Structures and Irrigation, 17020, Çanakkale, Turkey
3 - Çanakkale Onsekiz Mart University, Faculty of Agriculture, Department of Horticulture, 17020, Çanakkale, Turkey
4 - Çanakkale Onsekiz Mart University, Faculty of Agriculture, Department of Agricultural Structures and Irrigation, 17020, Çanakkale, Turkey
5 - Çanakkale Onsekiz Mart University, Faculty of Agriculture, Department of Field Crops, 17020, Çanakkale, Turkey
6 - Çanakkale Onsekiz Mart University, Faculty of Architecture and Design, Department of City and Regional Planning, 17020, Çanakkale, Turkey

Received: 2021-01-13 Accepted : 2021-02-21 Published : 2021-06-01

Keywords: تنش آبی, آبیاری, گیاه زینتی, گل های فصلی,

Abstract :

منابع آب در سال­های اخیر روبه کاهش هستند و دلیل آن گرمایش زمین است. به­همین دلیل نیاز به مطالعات بیشتر در خصوص تعیین اثر محدودیت آب روی گیاهان وجود دارد. این مطالعه با هدف تعیین اثر سطوح آبیاری  مختلف روی گلدهی و خصوصیات رشد آهار انجام شده است. این پژوهش در مرکز تحقیقات حفاظت گیاهی در دانشکده کشاورزی دانشگاه چاناک کاله ان سکیز مارت در ترکیه انجام شد. بدین­منظور گیاهان آهار در گلدان خارج از گلخانه در چهار تیمار آبیاری مختلف 100 درصد (I-100 شاهد)، 75 درصد (I-75)، 50 درصد (I-50) و 25 درصد (I-25) کشت شدند و کاهش رطوبت خاک به­وسیله حسگرها پایش شد. داده­ها و اختلاف واریانس با PCB-Biplot آنالیز شدند. نتایج نشان داد که تفاوت معناداری در تیمارهای مختلف آبیاری در صفات اندازه­گیری شده مشاهده شد. در پایان آزمایش مقدار آب آبیاری و مقدار مصرف آب گیاه به­ترتیب 8/142- 1/28 و 4/144-9/33 میلی­متر بدست آمد. تنش آبی اثر منفی روی رشد و خصوصیات زراعی آهار گذاشت. البته، مشاهده شد که کیفیت گل­ها حتی در شرایط کاهش آب تا 25 درصد، علیرغم کاهش رشد بوته، کاهش نشان نداد.

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