تاثیر سایه‌بان‌های رنگی بر صفات مورفولوژیک و فیزیولوژیک همیشه بهار، بنفشه، آگلونما و کروتون

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش‌آموخته دکتری علوم باغبانی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران

2 استادیار، بخش تحقیقات زراعی و باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان گیلان، سازمان تحقیقات، ‏آموزش و ترویج کشاورزی، لاهیجان، ایران

3 دانشیار، دانشگاه آزاد اسلامی، واحد رشت، رشت، ایران

چکیده

گروه جدیدی از سایه‌بان‌های رنگی به نام سایه‌بان‌های نورگزین (Photo-Selective Netting) در حال گسترش هستند که می‌توانند بر کیفیت و کمیت نور دریافتی توسط گیاهان مؤثر باشند و در عین‌حال حفاظت مطلوبی از آنها نیز به عمل آورند. لذا جهت بررسی کاربرد سایه‌بان‌های رنگی (قرمز، سبز و زرد) بر ویژگی‌های مورفولوژیک و فیزیولوژیک همیشه بهار، بنفشه، کروتون و آگلونما دو آزمایش جدا از هم در دو فصل زمستان و بهار در ایستگاه تحقیقات گل و گیاه زینتی لاهیجان انجام شد. صفات مورفولوژیکی مورد ارزیابی شامل ارتفاع گیاه، وزن تر و خشک شاخساره و صفات فیزیولوژیک شامل کلروفیل، کاروتنوئید، آنتوسیانین، فلاونوئید، ظرفیت آنتی‌اکسیدانی، آنزیم های کاتالاز و پراکسیداز بودند. نتایج نشان داد سایه‌بان زرد باعث افزایش قدرت رویشی گیاهان شد. اثرات متقابل سایه‌بان‌ و گونه گیاه نشان داد بیشترین میزان ارتفاع گیاه، میزان کلروفیل و میزان کاروتنوئید گیاه مربوط به تیمار سایه‌بان زرد و بنفشه بود. بیشترین میزان آنتوسیانین، کاروتنوئید و کاتالاز تحت سایه‌بان قرمز و بیشترین میزان کلروفیل کل تحت سایه بان‌های قرمز و زرد در کروتون و آگلونما به دست آمد. نتایج این تحقیق نشان داد کاربرد سایه‌بان‌های رنگی در مقایسه با عدم استفاده از سایه‌بان، شرایط رشد مطلوب‌تری را برای گیاهان بوجود ‌آورد. همچنین سایه‌بان‌های زرد و قرمز برای رشد گیاهان مورد آزمایش بهتر از سایه‌بان سبز و بدون سایه‌بان بود و تاثیر مطلوب‌تری بر رشد گیاهان داشته است.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of different colored netting on morphological and physiological traits of ‎common marigold, violet, croton and aglaonema‎

نویسندگان [English]

  • Seyedeh Khadijeh Abbasnia Zare 1
  • Mohammad Naghi Padasht Dahkaei 2
  • Shahram Sedaghathoor 3
  • Davood Hashemabadi 3
1 Ph.D. Graduated in Horticulture Science, Rasht Branch, Islamic Azad University, Rasht, Iran
2 Assistant Professor of Horticulture Crops Research Department, Gilan Agricultural and Natural Resources Research and Education ‎Center, AREEO, Lahijan, Iran‎
3 Associate Professor, Islamic Azad University, Rasht Branch, Rasht, Iran
چکیده [English]

A new group of colored shades called photo-selective netting shades are being developed, which can the affect the quality and quantity of light received by the plants, and at the same time provide optimal protection for them. Therefore, in order to investigate the use of colored shades (red, green and yellow) on the morphological and physiological characteristics of marigold, violet, croton and aglaonema, two separate experiments were carried out in winter and spring at Lahijan Flower and Ornamental Plants Research Station. The evaluated morphological traits included: plant height, fresh and dry weight of shoot and physiological traits included chlorophyll, carotenoid, anthocyanin, flavonoid, antioxidant capacity and catalase and peroxidase enzymes. The results showed that the yellow shade increased the vegetative power of the plants. The interaction effects of shade and plant species showed that the highest plant height, chlorophyll content and carotenoid content the plant were related to yellow shade and violet treatment. The results showed that the highest amount of anthocyanin, carotenoid and catalase was obtained under the red shade and the highest amount of total chlorophyll was obtained under the red and yellow shades in croton and aglaonema. The results of this research showed that the use of colored shades compared to not using shades created more favorable growth conditions for plants. Also, the yellow and red shades were better for the growth of the tested plants than the green shades and no shade and had a more favorable effect on the growth of the plants.

کلیدواژه‌ها [English]

  • Antioxidant
  • anthocyanin
  • photo-selective
  • yellow netting
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