تأثیر نانوچندسازة‌ حاوی نانوذرات زئولیت و برخی عنصرهای غذایی بر ویژگی‌های رشدی گل بنفشۀ آفریقایی رقم Rhapsody Clementine’‌‘

خوش بین, شهره; سلگی, موسی; تقی زاده, مینا; براتی, ابوالفضل

doi:10.22059/ijhs.2017.205875.1004

تأثیر نانوچندسازة‌ حاوی نانوذرات زئولیت و برخی عنصرهای غذایی بر ویژگی‌های رشدی گل بنفشۀ آفریقایی رقم Rhapsody Clementine’‌‘

نوع مقاله : مقاله پژوهشی

نویسندگان

¹ دانشجوی سابق کارشناسی ارشد، دانشگاه اراک

² استادیار، دانشگاه اراک، اراک

³ دانشیار، دانشگاه اراک، اراک

10.22059/ijhs.2017.205875.1004

چکیده

بهمنظور بررسی تأثیر نانوچندسازة (کامپوزیت) حاوی نانوذرات زئولیت و برخی عنصرهای غذایی بر ویژگیهای رشدی گل بنفشۀ آفریقایی، آزمایشی بهصورت فاکتوریل در قالب طرح کامل تصادفی با سه تکرار در دانشکدۀ کشاورزی دانشگاه اراک در سال 1394 انجام گرفت. بنفشۀ آفریقایی (Saintpaulia inonatha Wendl) در کنار محبوبیتی که بهعنوان گیاه گلدانی در جهان دارد، به نوع آبیاری حساسیت بالایی دارد. تماس مداوم آب با اندامهای گیاه باعث پوسیدگی و پدیدار شدن لکههای سفید و زرد روی برگها می‌شود. در این تحقیق تأثیر کاربرد نانوچندسازة حاوی نانوذرات زئولیت و برخی عنصرهای غذایی (نیتروژن‏، فسفر و پتاسیم) در چهار سطح (0، 1، 2 و 3 گرم در هر گلدان) و سه دور آبیاری (5، 10 و 15 روزه) ‏بر برخی شاخصهای ریخت‌شناختی (مورفولوژیکی) و فیزیولوژیکی بنفشۀ آفریقایی بررسی شد. نتایج نشان داد که نانوچندسازة مورد استفاده بهویژه در بیشترین میزان بهکاررفته (3 گرم در هر گلدان) افزون بر کاهش تأثیر منفی کمآبیاری‏، باعث افزایش چند برابری جذب عنصرهای فسفر و پتاسیم در تیمارهای حاوی آن‌ها شد. همچنین افزایش معنیدار ویژگیهای ریخت‌شناختی (مانند طول و عرض برگها، تاج‌پوشش (کانوپی) و وزن تر) و کاهش برخی ویژگیهای فیزیولوژیکی مانند نشت یونی مشاهده شد.

کلیدواژه‌ها

20.1001.1.2008482.1395.47.4.20.2

عنوان مقاله [English]

The effect of nanocomposite containing zeolite Nanoparticles and some nutrients on the growth characteristics of African violets (Saintpaulia ionantha ‘Rhapsody Clementine’)

نویسندگان [English]

Shohreh Khoshbin ¹
Mousa Solgi ²
Mina Taghizadeh ²
Abolfazl Barati ³

¹ Former M.Sc. Student, Faculty of Agriculture and Natural Resources, Arak University, Arak 38156-8-8349, Iran

² Assistant Professor, Faculty of Agriculture and Natural Resources, Arak University, Arak 38156-8-8349, Iran

³ Associate Professor, Faculty of Agriculture and Natural Resources, Arak University, Arak 38156-8-8349, Iran

چکیده [English]

A factorial experiment in completely randomized design with three replications was conducted to investigate the effects of nanocomposite containing zeolite nanoparticles and some nutrients on the growth characteristics of African violets. This experiment was run in Agriculture and Natural Resources College, Arak University, in 2015. African violet (Saintpaulia ionantha) as a potted plant is sensitive to the method of irrigation. Water continuous contact to plant organs may be caused to rot the plant and appearance of white and yellow spots on leaves. The effect of Nanocomposite containing zeolite nanoparticles plus nutrients (nitrogen, phosphorus and potassium) in four levels 0, 1, 2 and 3 grams per pot) and three irrigation intervals (5, 10 and 15 days) on some morphological and physiological characteristics of African violet were investigated in this study. The results showed that nanocomposites in the highest level (three gram per pot) in addition to reducing the negative effects of deficit irrigation, increased the multiple absorption of phosphorus and potassium. Furthermore, increasing the morphological traits (length and width leaves, canopy, fresh weight and chlorophyll index) and decreasing of some physiological characteristics such as ion leakage, were observed, significantly.

کلیدواژه‌ها [English]

Phosphorus
Polymer
potassium
water stress

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