شایسته بمانی گلنابادی بتول مهدوی بنیامین ترابی


به‌‌منظور بررسی اثر تنش قلیائیت بر رشد رویشی و برخی ویژگی‌های فیزیولوژیک گیاه گلرنگ آزمایشی در گلخانه تحقیقاتی دانشگاه ولی‌عصر (عج) رفسنجان به‌صورت فاکتوریل در قالب طرح کاملاٌ تصادفی با سه تکرار اجرا شد. فاکتورهای آزمایش شامل تنش قلیائیت در هفت سطح (0، 10، 20، 30، 40، 50 و 60‌میلی‌مولار) و دو رقم گلرنگ (صفه و 411) بودند. نتایج نشان‌داد که تنش قلیائیت موجب کاهش طول ساقه و ریشه، وزن خشک اندام هوایی و وزن خشک ریشه گردید در حالی‌که میزان پرولین، قندهای محلول و مالون‌دی‌آلدئید را افزایش داد. هم‌چنین با افزایش تنش قلیائیت پتانسیل عملکرد کوانتوم (Fv/Fm)، کارایی شاخص فتوسنتز (PI)، میزان کلروفیل a، کلروفیل b، کلروفیل کل و پتاسیم کاهش پیدا کرد در حالی‌که میزان کاروتنوئید، سدیم و نسبت سدیم به پتاسیم افزایش یافت. رقم 411 از نظر خصوصیات رویشی، میزان کلروفیل a و کل بر رقم صفه برتری نشان‌داد. هم‌چنین هر دو رقم عکس العمل یکسانی به تنش قلیائیت نشان‌دادند.

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ارجاع به مقاله
بمانی گلنابادی ش., مهدوی ب., & ترابی ب. (2015). تأثیر تنش قلیائیت بر روی برخی از ویژگی‌های مورفوفیزیولوژیکی دو رقم گلرنگ (Carthamus tinctorius L.). پژوهشهای زراعی ایران, 14(3), 460-469. https://doi.org/10.22067/gsc.v14i3.44100
نوع مقاله
علمی پژوهشی